{"title":"ESBE mixing valves","description":"\u003ch2\u003eESBE mixing valves: thermostatic and rotary\u003c\/h2\u003e\n\u003cp\u003eA mixing valve blends hot water and return water to deliver the temperature the circuit needs. Here you will find the ESBE mixing valves that work without a motor: the VTA320 and VTA520 thermostatic valves for domestic hot water and VTA322 and VTA572 for underfloor heating, which regulate on their own, and the VRG130, VRG140, 3F and 4F rotary valves, manually operated and ready for an actuator.\u003c\/p\u003e\n\u003cp\u003eTo motorise them, see \u003ca href=\"\/en-en\/collections\/esbe-motorised-valves-actuators\"\u003eESBE motorised valves and actuators\u003c\/a\u003e and \u003ca href=\"\/en-en\/collections\/esbe-controllers\"\u003eESBE controllers\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp class=\"qt-version\"\u003eFP54·261106\u003c\/p\u003e","products":[{"product_id":"valvula-mezcladora-rotativa-3-vias-esbe-vrg130-laton-dzr","title":"ESBE VRG130 Series 3-Way Rotary Mixing Valve in DZR Brass","description":"\u003ch2\u003eESBE VRG130 3-way rotary mixing valve for controlling flow temperature\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE VRG130\u003c\/strong\u003e is a 3-way rotary valve in dezincification-resistant (DZR) brass, for mixing or diverting water in heating and cooling circuits from \u003cstrong\u003eDN15 to DN50\u003c\/strong\u003e. At Q-Tech we fit it with its actuator in the \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, tested in our workshop before it reaches your site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003e3-way rotary mixing or diverting valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE VRG130 series, VRG131 internal thread version\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eRadiator heating, underfloor heating, comfort cooling, solar thermal and zoning\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSizes\u003c\/th\u003e\u003ctd\u003eDN15 to DN50, Kvs from 1.6 to 40 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternal leakage\u003c\/th\u003e\u003ctd\u003eBelow 0.05 % when mixing and 0.02 % when diverting, according to ESBE\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eESBE ARA600 actuators and 90 series (with kit) and ESBE CRA, CRB, CRC, CRD, CRK and CRS controllers\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePressure and temperature\u003c\/th\u003e\u003ctd\u003ePN10; −10 to 110 °C continuous and 130 °C short-term\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE VRG130?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE VRG130 is a 3-way rotary valve for hydronic circuits that controls temperature by mixing flow and return water with \u003cstrong\u003einternal leakage below 0.05 %\u003c\/strong\u003e. It turns through 90° by hand or with an actuator, and is fitted on the flow of each heating or cooling circuit.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eAn underfloor or radiator circuit needs a \u003cstrong\u003estable flow temperature\u003c\/strong\u003e, different from the one the boiler or heat pump delivers. The VRG130 blends return water into the flow until it reaches the temperature each circuit needs.\u003c\/p\u003e\n\u003cp\u003eA wrongly sized valve, or one with high internal leakage, controls poorly: the floor overheats, the heat pump cycles on and off and consumption rises. Choosing the right Kvs, with a \u003cstrong\u003epressure drop of 3 to 15 kPa\u003c\/strong\u003e as ESBE recommends, avoids those problems.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN10 (working pressure 1 MPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum differential pressure\u003c\/th\u003e\u003ctd\u003e100 kPa when mixing and 200 kPa when diverting\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eClose-off pressure\u003c\/th\u003e\u003ctd\u003e200 kPa\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternal leakage\u003c\/th\u003e\u003ctd\u003eBelow 0.05 % when mixing and 0.02 % when diverting\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOperating torque\u003c\/th\u003e\u003ctd\u003eBelow 3 Nm from DN15 to DN32 and below 5 Nm for DN40 and DN50\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRangeability Kv to Kv minimum\u003c\/th\u003e\u003ctd\u003e100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e−10 to 110 °C continuous; 130 °C short-term\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eHeating water to VDI 2035; water with up to 50 % glycol or up to 28 % ethanol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eInternal thread Rp to EN 10226-1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eDZR brass body, abrasion-resistant brass sector, PPS composite shaft and bushing, EPDM O-rings\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOperating angle\u003c\/th\u003e\u003ctd\u003e90°\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003eEuropean Pressure Equipment Directive (PED), article 4.3\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eDN\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eEAN\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG131 15-1.6\u003c\/td\u003e\u003ctd\u003e15\u003c\/td\u003e\u003ctd\u003e1.6\u003c\/td\u003e\u003ctd\u003eRp ½\u003c\/td\u003e\u003ctd\u003e0.40 kg\u003c\/td\u003e\u003ctd\u003e11600400\u003c\/td\u003e\u003ctd\u003e7330193033855\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG131 20-4\u003c\/td\u003e\u003ctd\u003e20\u003c\/td\u003e\u003ctd\u003e4\u003c\/td\u003e\u003ctd\u003eRp ¾\u003c\/td\u003e\u003ctd\u003e0.43 kg\u003c\/td\u003e\u003ctd\u003e11600800\u003c\/td\u003e\u003ctd\u003e7330193033893\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG131 25-6.3\u003c\/td\u003e\u003ctd\u003e25\u003c\/td\u003e\u003ctd\u003e6.3\u003c\/td\u003e\u003ctd\u003eRp 1\u003c\/td\u003e\u003ctd\u003e0.70 kg\u003c\/td\u003e\u003ctd\u003e11601000\u003c\/td\u003e\u003ctd\u003e7330193033916\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG131 32-16\u003c\/td\u003e\u003ctd\u003e32\u003c\/td\u003e\u003ctd\u003e16\u003c\/td\u003e\u003ctd\u003eRp 1¼\u003c\/td\u003e\u003ctd\u003e0.95 kg\u003c\/td\u003e\u003ctd\u003e11601200\u003c\/td\u003e\u003ctd\u003e7330193033930\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG131 40-25\u003c\/td\u003e\u003ctd\u003e40\u003c\/td\u003e\u003ctd\u003e25\u003c\/td\u003e\u003ctd\u003eRp 1½\u003c\/td\u003e\u003ctd\u003e1.68 kg\u003c\/td\u003e\u003ctd\u003e11603400\u003c\/td\u003e\u003ctd\u003e7330193039857\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG131 50-40\u003c\/td\u003e\u003ctd\u003e50\u003c\/td\u003e\u003ctd\u003e40\u003c\/td\u003e\u003ctd\u003eRp 2\u003c\/td\u003e\u003ctd\u003e2.30 kg\u003c\/td\u003e\u003ctd\u003e11603600\u003c\/td\u003e\u003ctd\u003e7330193039871\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt is motorised with the \u003cstrong\u003eESBE ARA600 actuator\u003c\/strong\u003e with no extra adaptor (\u003ca href=\"\/en-en\/products\/actuador-modulante-esbe-ara600-3-puntos-para-valvulas-vrg-vrb\"\u003eESBE ARA600 3-point\u003c\/a\u003e); the 90 series needs the VRG801 kit.\u003c\/li\u003e\n\u003cli\u003eAn ESBE controller with built-in actuator (CRA, CRB, CRC, CRD, CRK or CRS) mounts directly on the valve, such as the \u003ca href=\"\/en-en\/products\/actuador-y-controlador-esbe-cra111-serie-cra110-para-temperatura-de-caudal-constante\"\u003eESBE CRA111\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eThe \u003ca href=\"\/en-en\/products\/aislamiento-termico-esbe-vri100-para-valvulas-vrg-vrb\"\u003eESBE VRI100 insulation\u003c\/a\u003e covers the valve and leaves the actuator outside.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum differential pressure of 100 kPa\u003c\/strong\u003e when mixing: above that, control loses accuracy.\u003c\/li\u003e\n\u003cli\u003eFor closed systems only, with heating water or water with glycol or ethanol in the proportions in the table.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIf you need to protect the return of a solid-fuel boiler, the \u003ca href=\"\/en-en\/products\/valvula-mezcladora-selectora-rotativa-4-vias-esbe-serie-vrg140\"\u003eESBE VRG140 4-way valve\u003c\/a\u003e mixes twice and raises the return temperature.\u003c\/li\u003e\n\u003cli\u003eFor DN65 pipework or larger, with flanges, look for a cast-iron valve such as the \u003ca href=\"\/en-en\/products\/esbe-3f-3-way-rotary-mixing-valve-flanged-pn6\"\u003eESBE 3F\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIf you only need to limit temperature with no actuator or electricity, an \u003ca href=\"\/en-en\/products\/valvula-mezcladora-termostatica-esbe-vta320-antiescaldaduras\"\u003eESBE VTA320 thermostatic mixing valve\u003c\/a\u003e is simpler.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the circuit flow rate. ESBE recommends the smallest Kvs that gives a pressure drop of 3 to 15 kPa; send us the output and temperature difference and we will tell you the model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be motorised?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It fits the ESBE ARA600 actuator or an ESBE controller with built-in actuator directly; the 90 series needs the VRG801 kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work for mixing and diverting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The same valve works as a mixing or diverting valve depending on how its three ports are connected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with glycol?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, up to 50 % glycol. ESBE recommends choosing one Kvs size larger with 30 to 50 % mixtures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe hold it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as the order is confirmed.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech fits the VRG130 with its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e: assembled, wired and \u003cstrong\u003etested in our workshop\u003c\/strong\u003e, it arrives ready to connect. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the Kvs. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003eHVAC valves\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.esbe.eu\/storage\/E7522D9DA5FFB29F22B41940FD1F99852CE5C3B4FFE9EE3D42DC3438C94CF29B\/ae01fe9be4e64f0895a85251328a78f8\/pdf\/media\/4a5e0a303d9e47bb920bc44afafe5be1\/VRG130_es_I_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE VRG130 datasheet (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/C3D183660798F42FADE13D12E4637A7956595167EC1ADE8ADDD2190CFF6796F9\/84b3c4cc223c4ade991b518303302ff1\/pdf\/media\/2bbeb69b23ae4eb4a0c82e4325fd88f9\/Anv_VRG130_98140269_utgF_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/443B773B41F43E86F739251BD7D9AC04374359A327D0672C8F75ED59837F325D\/d4ac5ffbad134320933a8436d45916c9\/pdf\/media\/ee730a0109a64519a9e640c4bec68db9\/DoC_VRG130,%20VRG140,%20VRG230,%20VRG330_F.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDeclaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/L4Z_sbD_IeY\" title=\"Installing the ESBE VRG130 3-way valve (official ESBE video)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"ESBE","offers":[{"title":"VRG131 15-1.6 Rp ½ (11600400)","offer_id":12317546840152,"sku":"SE-CO10210","price":148.83,"currency_code":"EUR","in_stock":true},{"title":"VRG131 20-4 Rp ¾ (11600800)","offer_id":12317546872920,"sku":"SE-CO10211","price":138.15,"currency_code":"EUR","in_stock":true},{"title":"VRG131 25-6.3 Rp 1 (11601000)","offer_id":12317546905688,"sku":"SE-CO10212","price":148.05,"currency_code":"EUR","in_stock":true},{"title":"VRG131 32-16 Rp 1¼ (11601200)","offer_id":12317546938456,"sku":"SE-CO10213","price":166.57,"currency_code":"EUR","in_stock":true},{"title":"VRG131 40-25 Rp 1½ (11603400)","offer_id":12317546971224,"sku":"SE-CO10214","price":255.15,"currency_code":"EUR","in_stock":true},{"title":"VRG131 50-40 Rp 2 (11603600)","offer_id":12317547003992,"sku":"SE-CO10215","price":365.84,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-vrg130-vrg131-vista-tres-cuartos.webp?v=1793278312"},{"product_id":"valvula-mezcladora-termostatica-esbe-vta320-antiescaldaduras","title":"ESBE VTA320 and VTA520 thermostatic mixing valve for domestic hot water","description":"\u003ch2\u003eESBE VTA320 and VTA520 thermostatic mixing valve for scald-free domestic hot water\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE VTA320 and VTA520\u003c\/strong\u003e blend hot and cold water to deliver domestic hot water (DHW) at the temperature you set, from 35 to 60 °C or from 45 to 65 °C depending on the model. At Q-Tech we fit it on the DHW outlet of the \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, tested in our workshop before it reaches your site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003e3-way thermostatic mixing valve for domestic hot water\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE VTA320 series (VTA321, VTA322 and VTA323) and VTA520 series (VTA522)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDHW with or without circulation and small underfloor heating circuits, according to ESBE\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSetting range\u003c\/th\u003e\u003ctd\u003e35 to 60 °C (VTA320) and 45 to 65 °C (VTA520)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSafety\u003c\/th\u003e\u003ctd\u003eShuts off the hot water if the cold water supply fails\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003eKvs 1.2 to 1.6 (VTA320) and 3.2 to 3.5 m³ per hour (VTA520)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eNone: thermostatic control without electricity\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE VTA320?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE VTA320 is a thermostatic mixing valve for domestic hot water that holds the outlet temperature with a \u003cstrong\u003estability of ±2 °C\u003c\/strong\u003e, according to ESBE. An internal thermostat adjusts the mix without electricity. It is fitted at the outlet of the cylinder or water heater.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eTo limit the risk of Legionella, hot water is stored hot, often above 60 °C. At that temperature the water scalds at the tap. The VTA320 adds cold water until it delivers a \u003cstrong\u003econstant temperature at the taps\u003c\/strong\u003e, even when demand changes.\u003c\/p\u003e\n\u003cp\u003eIf the cold water fails, the valve \u003cstrong\u003eshuts off the hot water\u003c\/strong\u003e and prevents a scald. Flow matters too: ESBE states a minimum flow of 4 litres per minute for the VTA320 and 9 for the VTA520 to keep the temperature stable.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN10 (working pressure 1 MPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum differential pressure\u003c\/th\u003e\u003ctd\u003e0.3 MPa (3 bar) when mixing\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e95 °C maximum; VTA520, 100 °C temporarily\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eTemperature stability\u003c\/th\u003e\u003ctd\u003e±2 °C for the VTA320 and ±4 °C for the VTA520, with constant pressures, a minimum flow of 4 or 9 litres per minute and 10 °C between hot inlet and mixed outlet\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSafety function\u003c\/th\u003e\u003ctd\u003eHot water shut-off if the cold water fails\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow pattern\u003c\/th\u003e\u003ctd\u003eAsymmetric\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eDomestic water, closed systems and water with up to 50% glycol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnections\u003c\/th\u003e\u003ctd\u003eInternal thread Rp (EN 10226-1), external thread G (ISO 228-1) and compression CPF (EN 1254-2)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterial\u003c\/th\u003e\u003ctd\u003eDezincification-resistant brass (DZR)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003ePressure Equipment Directive (PED), article 4.3; no CE marking\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003cth\u003eRange\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eEAN\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA321\u003c\/td\u003e\u003ctd\u003eRp ½ internal\u003c\/td\u003e\u003ctd\u003e35 to 60 °C\u003c\/td\u003e\u003ctd\u003e1.5\u003c\/td\u003e\u003ctd\u003e0.45 kg\u003c\/td\u003e\u003ctd\u003e31100400\u003c\/td\u003e\u003ctd\u003e7330193024563\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA321\u003c\/td\u003e\u003ctd\u003eRp ¾ internal\u003c\/td\u003e\u003ctd\u003e35 to 60 °C\u003c\/td\u003e\u003ctd\u003e1.6\u003c\/td\u003e\u003ctd\u003e0.48 kg\u003c\/td\u003e\u003ctd\u003e31100800\u003c\/td\u003e\u003ctd\u003e7330193024587\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA322\u003c\/td\u003e\u003ctd\u003eG 1 external\u003c\/td\u003e\u003ctd\u003e35 to 60 °C\u003c\/td\u003e\u003ctd\u003e1.6\u003c\/td\u003e\u003ctd\u003e0.48 kg\u003c\/td\u003e\u003ctd\u003e31101000\u003c\/td\u003e\u003ctd\u003e7330193024624\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA323\u003c\/td\u003e\u003ctd\u003eCompression 15 mm\u003c\/td\u003e\u003ctd\u003e35 to 60 °C\u003c\/td\u003e\u003ctd\u003e1.2\u003c\/td\u003e\u003ctd\u003e0.49 kg\u003c\/td\u003e\u003ctd\u003e31102700\u003c\/td\u003e\u003ctd\u003e7330193024464\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA323\u003c\/td\u003e\u003ctd\u003eCompression 18 mm\u003c\/td\u003e\u003ctd\u003e35 to 60 °C\u003c\/td\u003e\u003ctd\u003e1.5\u003c\/td\u003e\u003ctd\u003e0.66 kg\u003c\/td\u003e\u003ctd\u003e31103900\u003c\/td\u003e\u003ctd\u003e7330193024433\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA323\u003c\/td\u003e\u003ctd\u003eCompression 22 mm\u003c\/td\u003e\u003ctd\u003e35 to 60 °C\u003c\/td\u003e\u003ctd\u003e1.5\u003c\/td\u003e\u003ctd\u003e0.57 kg\u003c\/td\u003e\u003ctd\u003e31100200\u003c\/td\u003e\u003ctd\u003e7330193024396\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA522\u003c\/td\u003e\u003ctd\u003eG 1 external\u003c\/td\u003e\u003ctd\u003e45 to 65 °C\u003c\/td\u003e\u003ctd\u003e3.2\u003c\/td\u003e\u003ctd\u003e0.86 kg\u003c\/td\u003e\u003ctd\u003e31620200\u003c\/td\u003e\u003ctd\u003e7330193040105\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA522\u003c\/td\u003e\u003ctd\u003eG 1¼ external\u003c\/td\u003e\u003ctd\u003e45 to 65 °C\u003c\/td\u003e\u003ctd\u003e3.5\u003c\/td\u003e\u003ctd\u003e0.95 kg\u003c\/td\u003e\u003ctd\u003e31620500\u003c\/td\u003e\u003ctd\u003e7330193040136\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe 15 mm and 22 mm VTA323 include a check valve on the cold water side, according to ESBE.\u003c\/li\u003e\n\u003cli\u003eBelow 4 litres per minute (VTA320) or 9 (VTA520), the ±2 or ±4 °C stability is not guaranteed.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum differential pressure of 3 bar\u003c\/strong\u003e between hot and cold water, according to ESBE.\u003c\/li\u003e\n\u003cli\u003eESBE recommends the lead-free (LF) versions for drinking water; the models on this page are standard DZR brass.\u003c\/li\u003e\n\u003cli\u003eNo CE marking: it is pressure equipment under article 4.3 of the PED.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eMaximum continuous water temperature\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-mezcladora-termostatica-para-suelo-radiante-esbe-series-vta322-y-vta572\"\u003eESBE VTA322 20 to 43 °C for underfloor heating\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf you control a small underfloor heating circuit rather than DHW\u003c\/td\u003e\u003ctd\u003e1.2 to 1.6\u003c\/td\u003e\u003ctd\u003e95 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-mezcladora-termostatica-esbe-solar-vts520-altas-temperaturas\"\u003eESBE VTS520 for solar thermal\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf the water comes from solar collectors and can exceed 95 °C\u003c\/td\u003e\u003ctd\u003e3.0 to 3.5\u003c\/td\u003e\u003ctd\u003e110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-mezcladora-rotativa-3-vias-esbe-vrg130-laton-dzr\"\u003eESBE VRG130 with actuator\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf you need to control a heating flow with an actuator or a controller\u003c\/td\u003e\u003ctd\u003e1.6 to 40\u003c\/td\u003e\u003ctd\u003e110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on flow and connection: the VTA320 has a Kvs of 1.2 to 1.6 and the VTA520 of 3.2 to 3.5. Send us your outlets and pipe size and we will tell you the model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the VTA320 and the VTA520?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFlow and range. The VTA520 has a Kvs of 3.2 to 3.5 against 1.2 to 1.6 and controls from 45 to 65 °C, according to ESBE.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it protect against Legionella?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt helps. ESBE presents it as scald and Legionella protection: it lets you store the water hotter and deliver it tempered at the taps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on drinking water?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, ESBE specifies it for domestic hot water. ESBE recommends the lead-free (LF) versions for drinking water; if your project requires them, contact us before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is not advisable: a professional should install it, following ESBE's instructions. Q-Tech delivers it fitted in the plant room or installs it with an Expert Technician.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe have it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as we confirm your order.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech fits the VTA320 on the DHW outlet of the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e: assembled, set and \u003cstrong\u003etested in our workshop\u003c\/strong\u003e, it arrives ready to connect. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the model. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003eheating valves\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/D9067688AC015F8DBCA4EE422BF12739C75D5431A66B674D11D38E9B556A8478\/21c78b9784dd4a43a6267979cf1c7281\/pdf\/media\/b3b9d5a7972d4ce7b749e53f272fc999\/VTA320_VTA520_en_K_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE VTA320 and VTA520 data sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/9E44865AADBFC29B6B47F7319752A11A21CF5AC894F7987742CBAC50C62E1FCD\/705b1fd6aaac44e09a2aefb3d193a6df\/pdf\/media\/dcf22fb3ac544cda8391383e5f240afc\/Anv_VTA300_98140118_ver%20O_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVTA320 installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/302A9D47A077CBD4499DCA699E0C3CAE9643FFDB992CE3D8620F4E54CDD0098A\/35c0c87b62a64a529f9c9622e719057e\/pdf\/media\/cf2ec484209a4e24a4eb535d8728fb62\/Anv_VTA500_VTS500_98140345_ver%20F_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVTA520 installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/59A7BF48D90F8ED7D6082C93E0C30345C215F7EE67D443EE1A7449829EB8F224\/9635b8f047a3442dbd16e9b271f0222f\/pdf\/media\/02320e7f697242ecb9fe58e02c9b90f5\/DoC_VTA300,%20VTA500,%20VTS500_E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDeclaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/cyTl6X2W-8o\" title=\"ESBE VTA thermostatic mixing valves (official ESBE video)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"ESBE","offers":[{"title":"VTA321 Rp ½ · 35–60 °C (31100400)","offer_id":19575958372440,"sku":"SE-CO10413","price":104.34,"currency_code":"EUR","in_stock":true},{"title":"VTA321 Rp ¾ · 35–60 °C (31100800)","offer_id":19575958405208,"sku":"SE-CO10414","price":107.42,"currency_code":"EUR","in_stock":true},{"title":"VTA322 G 1 · 35–60 °C (31101000)","offer_id":19575958437976,"sku":"SE-CO10415","price":107.42,"currency_code":"EUR","in_stock":true},{"title":"VTA323 CPF 15 mm · 35–60 °C (31102700)","offer_id":19575970398296,"sku":"SE-CO10410","price":169.4,"currency_code":"EUR","in_stock":true},{"title":"VTA323 CPF 18 mm · 35–60 °C (31103900)","offer_id":19575971283032,"sku":"SE-CO10411","price":182.71,"currency_code":"EUR","in_stock":true},{"title":"VTA323 CPF 22 mm · 35–60 °C (31100200)","offer_id":19575972331608,"sku":"SE-CO10412","price":182.71,"currency_code":"EUR","in_stock":true},{"title":"VTA522 G 1 · 45–65 °C (31620200)","offer_id":59034275414360,"sku":"SE-CO10409","price":256.52,"currency_code":"EUR","in_stock":true},{"title":"VTA522 G 1¼ · 45–65 °C (31620500)","offer_id":59034275447128,"sku":"SE-CO10424","price":269.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-vta322-g1-vista-tres-cuartos.webp?v=1793790693"},{"product_id":"valvula-mezcladora-termostatica-para-suelo-radiante-esbe-series-vta322-y-vta572","title":"ESBE VTA322 and VTA572 thermostatic mixing valve for underfloor heating","description":"\u003ch2\u003eESBE VTA322 and VTA572 thermostatic mixing valve for underfloor heating with a stable flow temperature\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE VTA322 and VTA572\u003c\/strong\u003e limit the temperature of the water entering the underfloor heating: from 20 to 43 °C on the VTA322 and from 20 to 55 °C on the higher-flow VTA572. At Q-Tech we fit it on the underfloor heating circuit of the \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, tested in our workshop before it reaches your site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003e3-way thermostatic mixing valve for underfloor heating\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE VTA322 and VTA323 (VTA320 series) and VTA572 (VTA570 series)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eSmall underfloor heating circuits (VTA322 and VTA323) or higher flows (VTA572), according to ESBE\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSetting range\u003c\/th\u003e\u003ctd\u003e20 to 43 °C (VTA322 and VTA323) and 20 to 55 °C (VTA572)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSafety\u003c\/th\u003e\u003ctd\u003eShuts off the hot water if the cold or return supply fails\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003eKvs 1.2 to 1.6 (VTA322 and VTA323) and 4.5 to 4.8 m³ per hour (VTA572)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eNone: thermostatic control without electricity\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE VTA572?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE VTA572 is a thermostatic mixing valve for underfloor heating that limits the flow temperature between 20 and 55 °C with a \u003cstrong\u003eflow of up to Kvs 4.8\u003c\/strong\u003e, according to ESBE. An internal thermostat blends in return water without electricity. It is fitted on the circuit flow.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eThe boiler, heat pump or cylinder supplies water hotter than an underfloor heating system accepts. The valve blends in return water until it delivers a \u003cstrong\u003estable flow temperature\u003c\/strong\u003e to the circuit.\u003c\/p\u003e\n\u003cp\u003eIf the cold or return supply fails, the valve \u003cstrong\u003eshuts off the hot water\u003c\/strong\u003e; ESBE presents this as protection of the pipes and the floor against temperature rises. Flow matters too: ESBE states a minimum flow of 4 litres per minute for the VTA322 and 9 for the VTA572 to keep the temperature stable.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN10 (working pressure 1 MPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum differential pressure\u003c\/th\u003e\u003ctd\u003e0.3 MPa (3 bar) when mixing\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e95 °C maximum; VTA572, 100 °C temporarily\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eTemperature stability\u003c\/th\u003e\u003ctd\u003e±2 °C for the VTA322 and VTA323 and ±3 °C for the VTA572, with constant pressures, a minimum flow of 4 or 9 litres per minute and 10 °C between hot inlet and mixed outlet\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSafety function\u003c\/th\u003e\u003ctd\u003eHot water shut-off if the cold or return supply fails\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eWater, heating water and water with up to 50% glycol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnections\u003c\/th\u003e\u003ctd\u003eExternal thread G (ISO 228-1) and compression CPF (EN 1254-2)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterial\u003c\/th\u003e\u003ctd\u003eDezincification-resistant brass (DZR)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003ePressure Equipment Directive (PED), article 4.3; no CE marking\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003cth\u003eRange\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eEAN\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA322\u003c\/td\u003e\u003ctd\u003eG ½ external\u003c\/td\u003e\u003ctd\u003e20 to 43 °C\u003c\/td\u003e\u003ctd\u003e1.2\u003c\/td\u003e\u003ctd\u003e0.41 kg\u003c\/td\u003e\u003ctd\u003e31102800\u003c\/td\u003e\u003ctd\u003e7330193024662\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA322\u003c\/td\u003e\u003ctd\u003eG ¾ external\u003c\/td\u003e\u003ctd\u003e20 to 43 °C\u003c\/td\u003e\u003ctd\u003e1.5\u003c\/td\u003e\u003ctd\u003e0.45 kg\u003c\/td\u003e\u003ctd\u003e31100500\u003c\/td\u003e\u003ctd\u003e7330193024617\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA322\u003c\/td\u003e\u003ctd\u003eG 1 external\u003c\/td\u003e\u003ctd\u003e20 to 43 °C\u003c\/td\u003e\u003ctd\u003e1.6\u003c\/td\u003e\u003ctd\u003e0.48 kg\u003c\/td\u003e\u003ctd\u003e31100900\u003c\/td\u003e\u003ctd\u003e7330193024631\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA323\u003c\/td\u003e\u003ctd\u003eCompression 15 mm\u003c\/td\u003e\u003ctd\u003e20 to 43 °C\u003c\/td\u003e\u003ctd\u003e1.2\u003c\/td\u003e\u003ctd\u003e0.49 kg\u003c\/td\u003e\u003ctd\u003e31102600\u003c\/td\u003e\u003ctd\u003e7330193024426\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA323\u003c\/td\u003e\u003ctd\u003eCompression 22 mm\u003c\/td\u003e\u003ctd\u003e20 to 43 °C\u003c\/td\u003e\u003ctd\u003e1.5\u003c\/td\u003e\u003ctd\u003e0.57 kg\u003c\/td\u003e\u003ctd\u003e31100100\u003c\/td\u003e\u003ctd\u003e7330193024402\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA572\u003c\/td\u003e\u003ctd\u003eG 1 external\u003c\/td\u003e\u003ctd\u003e20 to 55 °C\u003c\/td\u003e\u003ctd\u003e4.5\u003c\/td\u003e\u003ctd\u003e0.86 kg\u003c\/td\u003e\u003ctd\u003e31702100\u003c\/td\u003e\u003ctd\u003e7330193050739\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVTA572\u003c\/td\u003e\u003ctd\u003eG 1¼ external\u003c\/td\u003e\u003ctd\u003e20 to 55 °C\u003c\/td\u003e\u003ctd\u003e4.8\u003c\/td\u003e\u003ctd\u003e0.95 kg\u003c\/td\u003e\u003ctd\u003e31702200\u003c\/td\u003e\u003ctd\u003e7330193050746\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe 15 mm and 22 mm VTA323 include a check valve on the cold water side, according to ESBE.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum differential pressure of 3 bar\u003c\/strong\u003e between hot and return inlets, according to ESBE.\u003c\/li\u003e\n\u003cli\u003eBelow 4 litres per minute (VTA322 and VTA323) or 9 (VTA572), the stated stability is not guaranteed.\u003c\/li\u003e\n\u003cli\u003eThe references on this page are for underfloor heating; ESBE makes other VTA572 versions for cooling and radiators that are not on this page.\u003c\/li\u003e\n\u003cli\u003eNo CE marking: it is pressure equipment under article 4.3 of the PED.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eMaximum continuous water temperature\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-mezcladora-termostatica-esbe-vta320-antiescaldaduras\"\u003eESBE VTA320 and VTA520 for domestic hot water\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf you need to limit the hot water temperature at the taps\u003c\/td\u003e\u003ctd\u003e1.2 to 3.5\u003c\/td\u003e\u003ctd\u003e95 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-mezcladora-rotativa-3-vias-esbe-vrg130-laton-dzr\"\u003eESBE VRG130 with actuator\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf you want to control the underfloor heating with an actuator or a weather-compensated controller\u003c\/td\u003e\u003ctd\u003e1.6 to 40\u003c\/td\u003e\u003ctd\u003e110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the circuit flow: the VTA322 and VTA323 have a Kvs of 1.2 to 1.6 and the VTA572 of 4.5 to 4.8. Send us the floor area and temperature difference and we will tell you the model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the VTA322 and the VTA572?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFlow and range. The VTA572 has a Kvs of 4.5 to 4.8 against 1.2 to 1.6 and controls from 20 to 55 °C, according to ESBE.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it protect the floor if the cold supply fails?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. If the cold or return supply fails, the valve shuts off the hot water, according to ESBE.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for underfloor cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the references on this page are for heating. ESBE makes a 10 to 30 °C VTA572 for cooling; contact us if you need it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is not advisable: a professional should install it, following ESBE's instructions. Q-Tech delivers it fitted in the plant room or installs it with an Expert Technician.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe have it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as we confirm your order.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech fits the VTA322 or VTA572 on the underfloor heating circuit of the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e: assembled, set and \u003cstrong\u003etested in our workshop\u003c\/strong\u003e, it arrives ready to connect. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the model. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003eheating valves\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/D9067688AC015F8DBCA4EE422BF12739C75D5431A66B674D11D38E9B556A8478\/21c78b9784dd4a43a6267979cf1c7281\/pdf\/media\/b3b9d5a7972d4ce7b749e53f272fc999\/VTA320_VTA520_en_K_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE VTA320 and VTA520 data sheet (VTA322 and VTA323)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/96F604881E835B6CDE48D1399A3EC7E0B3075F49AC260297570450D2D3BBE577\/e96cab54674d4057b32957fa40239536\/pdf\/media\/2c642285c9ef4352b962eb3877abad0e\/VTA370_VTA570_en_O_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE VTA370 and VTA570 data sheet (VTA572)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/763C04C0B9140BD6E41D9064AA8C38CA40FCD2C100F692C8AA645EAB128D6E17\/cb9cc61105994a34b4bbc08f6c8fcbbe\/pdf\/media\/5b6350efdf9e449a810b837d2635f5ea\/Anv_VTA370_VTA570_98140346_vers%20I_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVTA572 installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/9E44865AADBFC29B6B47F7319752A11A21CF5AC894F7987742CBAC50C62E1FCD\/705b1fd6aaac44e09a2aefb3d193a6df\/pdf\/media\/dcf22fb3ac544cda8391383e5f240afc\/Anv_VTA300_98140118_ver%20O_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVTA322 and VTA323 installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/8F43898CB6297F6BE0FCF6E3F5FA25CFAC3E7DC0951FF21EB81C4B6BE5CF66F9\/d64857bc31ee45c7b5ba1a882d776a05\/pdf\/media\/c49f295a5aa241d3911e33eaca72c770\/DoC_VTA370,%20VTA570_E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVTA570 declaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/cyTl6X2W-8o\" title=\"ESBE VTA thermostatic mixing valves (official ESBE video)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"ESBE","offers":[{"title":"VTA322 G ½ · 20–43 °C (31102800)","offer_id":43477484962018,"sku":"SE-CO10419","price":162.14,"currency_code":"EUR","in_stock":true},{"title":"VTA322 G ¾ · 20–43 °C (31100500)","offer_id":43477484994786,"sku":"SE-CO10420","price":169.4,"currency_code":"EUR","in_stock":true},{"title":"VTA322 G 1 · 20–43 °C (31100900)","offer_id":43477485027554,"sku":"SE-CO10421","price":169.4,"currency_code":"EUR","in_stock":true},{"title":"VTA572 G 1 · 20–55 °C (31702100)","offer_id":43477485060322,"sku":"SE-CO10432","price":269.83,"currency_code":"EUR","in_stock":true},{"title":"VTA572 G 1¼ · 20–55 °C (31702200)","offer_id":43477485093090,"sku":"SE-CO10431","price":284.35,"currency_code":"EUR","in_stock":true},{"title":"VTA323 CPF 15 mm · 20–43 °C (31102600)","offer_id":59034537787736,"sku":"SE-CO10416","price":169.4,"currency_code":"EUR","in_stock":true},{"title":"VTA323 CPF 22 mm · 20–43 °C (31100100)","offer_id":59034537820504,"sku":"SE-CO10417","price":182.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-vta322-suelo-radiante-g1.webp?v=1793791900"},{"product_id":"valvula-mezcladora-selectora-rotativa-4-vias-esbe-serie-vrg140","title":"ESBE VRG140 Series 4-Way Rotary Mixing Valve in DZR Brass","description":"\u003ch2\u003eESBE VRG140 4-way rotary mixing valve that keeps the boiler return temperature high\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE VRG140\u003c\/strong\u003e is a 4-way rotary valve in dezincification-resistant (DZR) brass that works on the double mixing principle in heating and cooling circuits from \u003cstrong\u003eDN15 to DN50\u003c\/strong\u003e. At Q-Tech we integrate it with its actuator in the pre-assembled plant room, connected and tested in our workshop.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003e4-way rotary mixing valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE VRG140 series, VRG141 internal thread version\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating with boilers that need a warm return, radiators, underfloor heating and comfort cooling\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSizes\u003c\/th\u003e\u003ctd\u003eDN15 to DN50, Kvs from 2.5 to 40 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePrinciple\u003c\/th\u003e\u003ctd\u003eDouble mixing: controls the flow temperature and raises the return temperature at the same time\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eESBE ARA600 actuators and 90 series (with kit) and ESBE CRA, CRB, CRC, CRD, CRK and CRS controllers\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePressure and temperature\u003c\/th\u003e\u003ctd\u003ePN10; −10 to 110 °C continuous and 130 °C short-term\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted with its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE VRG140?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE VRG140 is a 4-way rotary valve for hydronic circuits that controls the flow temperature and, at the same time, \u003cstrong\u003ekeeps the boiler return temperature high\u003c\/strong\u003e. Its rotor controls the flow at four points at once. It is fitted between the boiler and the heating circuit.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eSome boilers need warm return water to avoid condensation and corrosion. With a 3-way valve, the cold return from the circuit goes straight back to the boiler.\u003c\/p\u003e\n\u003cp\u003eThe VRG140 \u003cstrong\u003emixes twice\u003c\/strong\u003e: it sends the circuit the temperature it needs and returns warmer water to the boiler. ESBE states that this reduces the risk of corrosion and can extend boiler life, only where the boiler design requires it.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN10 (working pressure 1 MPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum differential pressure\u003c\/th\u003e\u003ctd\u003e100 kPa\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eClose-off pressure\u003c\/th\u003e\u003ctd\u003e100 kPa\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternal leakage\u003c\/th\u003e\u003ctd\u003eBelow 1.0 % of flow\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOperating torque\u003c\/th\u003e\u003ctd\u003eBelow 3 Nm from DN15 to DN32 and below 5 Nm for DN40 and DN50\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRangeability Kv to Kv minimum\u003c\/th\u003e\u003ctd\u003e100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e−10 to 110 °C continuous; 130 °C short-term\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eHeating water to VDI 2035; water with up to 50 % glycol or up to 28 % ethanol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eInternal thread Rp to EN 10226-1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eDZR brass body, abrasion-resistant brass sector, PPS composite shaft and bushing, EPDM O-rings\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOperating angle\u003c\/th\u003e\u003ctd\u003e90°\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003eEuropean Pressure Equipment Directive (PED), article 4.3\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eDN\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG141 15-2.5\u003c\/td\u003e\u003ctd\u003e15\u003c\/td\u003e\u003ctd\u003e2.5\u003c\/td\u003e\u003ctd\u003eRp ½\u003c\/td\u003e\u003ctd\u003e0.40 kg\u003c\/td\u003e\u003ctd\u003e11640100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG141 20-4\u003c\/td\u003e\u003ctd\u003e20\u003c\/td\u003e\u003ctd\u003e4\u003c\/td\u003e\u003ctd\u003eRp ¾\u003c\/td\u003e\u003ctd\u003e0.52 kg\u003c\/td\u003e\u003ctd\u003e11640200\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG141 25-10\u003c\/td\u003e\u003ctd\u003e25\u003c\/td\u003e\u003ctd\u003e10\u003c\/td\u003e\u003ctd\u003eRp 1\u003c\/td\u003e\u003ctd\u003e0.80 kg\u003c\/td\u003e\u003ctd\u003e11640400\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG141 32-16\u003c\/td\u003e\u003ctd\u003e32\u003c\/td\u003e\u003ctd\u003e16\u003c\/td\u003e\u003ctd\u003eRp 1¼\u003c\/td\u003e\u003ctd\u003e1.08 kg\u003c\/td\u003e\u003ctd\u003e11640500\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG141 40-25\u003c\/td\u003e\u003ctd\u003e40\u003c\/td\u003e\u003ctd\u003e25\u003c\/td\u003e\u003ctd\u003eRp 1½\u003c\/td\u003e\u003ctd\u003e1.89 kg\u003c\/td\u003e\u003ctd\u003e11641500\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVRG141 50-40\u003c\/td\u003e\u003ctd\u003e50\u003c\/td\u003e\u003ctd\u003e40\u003c\/td\u003e\u003ctd\u003eRp 2\u003c\/td\u003e\u003ctd\u003e2.55 kg\u003c\/td\u003e\u003ctd\u003e11641700\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt is motorised with the \u003cstrong\u003eESBE ARA600 actuator\u003c\/strong\u003e (\u003ca href=\"\/en-en\/products\/actuador-modulante-esbe-ara600-3-puntos-para-valvulas-vrg-vrb\"\u003eESBE ARA600 3-point\u003c\/a\u003e); the 90 series needs the VRG801 kit.\u003c\/li\u003e\n\u003cli\u003eESBE controllers with built-in actuator (CRA, CRB, CRC, CRD, CRK and CRS) mount on the valve, such as the \u003ca href=\"\/en-en\/products\/actuador-y-controlador-esbe-cra111-serie-cra110-para-temperatura-de-caudal-constante\"\u003eESBE CRA111\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eThe \u003ca href=\"\/en-en\/products\/aislamiento-termico-esbe-vri100-para-valvulas-vrg-vrb\"\u003eESBE VRI100 insulation\u003c\/a\u003e covers the valve from DN15 to DN40.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum differential pressure of 100 kPa\u003c\/strong\u003e: above that, control loses accuracy.\u003c\/li\u003e\n\u003cli\u003eFor closed systems only, with heating water or water with glycol or ethanol in the proportions in the table.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIf your heat source does not need a warm return (heat pump or condensing boiler), the \u003ca href=\"\/en-en\/products\/valvula-mezcladora-rotativa-3-vias-esbe-vrg130-laton-dzr\"\u003eESBE VRG130 3-way valve\u003c\/a\u003e is the usual choice.\u003c\/li\u003e\n\u003cli\u003eTo combine two heat sources in parallel or stratify a buffer tank, ESBE offers the VRB140 bivalent 4-way series.\u003c\/li\u003e\n\u003cli\u003eFor DN65 pipework or larger, with flanges, look for a cast-iron 4-way valve such as the \u003ca href=\"\/en-en\/products\/esbe-4f-4-way-rotary-mixing-valve-flanged-pn6\"\u003eESBE 4F\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it differ from the VRG130 3-way valve?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe VRG140 mixes twice and raises the boiler return temperature. The VRG130 mixes once and sends the circuit return back unheated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the circuit flow rate. Send us the output and temperature difference and we will tell you the right Kvs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be motorised?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It takes the ESBE ARA600 actuator and ESBE controllers with built-in actuator; the 90 series needs the VRG801 kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with glycol?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, up to 50 % glycol or 28 % ethanol, according to ESBE.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe hold it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as the order is confirmed.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech integrates the VRG140 and its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e: assembled, wired and \u003cstrong\u003etested in our workshop\u003c\/strong\u003e, it arrives ready to connect next to your boiler. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the model. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003eHVAC valves\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/FB008D46C105E51AC902E4A5D1F2B1CE9F6522A85458002180DC14A5915F2E0A\/e49fdf7d0a13462ea3e4b6e740e1da9e\/pdf\/media\/4d377075318c46aa9e71d84f1c70cabb\/VRG140_en_K_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE VRG140 datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/BA6CB10A464CE66E454B7F6BEFA5F4B4B6EF88E0515851CB4F0C2254BC6D9305\/f6e4539f118e4c50893b6b2590549644\/pdf\/media\/870c25c5743647f1ad013d44452bd469\/Anv_VRG140_98140270_utgE_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/443B773B41F43E86F739251BD7D9AC04374359A327D0672C8F75ED59837F325D\/d4ac5ffbad134320933a8436d45916c9\/pdf\/media\/ee730a0109a64519a9e640c4bec68db9\/DoC_VRG130,%20VRG140,%20VRG230,%20VRG330_F.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDeclaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/2gugHpi9ayI\" title=\"Differences between ESBE 4-way rotary valves (official ESBE video)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"ESBE","offers":[{"title":"VRG141 15-2.5 Rp ½ (11640100)","offer_id":47631704097112,"sku":"SE-CO10220","price":155.97,"currency_code":"EUR","in_stock":true},{"title":"VRG141 20-4 Rp ¾ (11640200)","offer_id":47631704129880,"sku":"SE-CO10221","price":162.14,"currency_code":"EUR","in_stock":true},{"title":"VRG141 25-10 Rp 1 (11640400)","offer_id":47631704162648,"sku":"SE-CO10222","price":175.45,"currency_code":"EUR","in_stock":true},{"title":"VRG141 32-16 Rp 1¼ (11640500)","offer_id":47631704195416,"sku":"SE-CO10223","price":196.02,"currency_code":"EUR","in_stock":true},{"title":"VRG141 40-25 Rp 1½ (11641500)","offer_id":47631704228184,"sku":"SE-CO10224","price":364.21,"currency_code":"EUR","in_stock":true},{"title":"VRG141 50-40 Rp 2 (11641700)","offer_id":47631704260952,"sku":"SE-CO10225","price":424.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-vrg140-vrg141-vista-tres-cuartos.webp?v=1793279522"},{"product_id":"valvula-mezcladora-rotativa-3-vias-esbe-3f-bridas-pn6","title":"ESBE 3F Series Flanged 3-Way Rotary Mixing Valve, PN6 Cast Iron","description":"\u003ch2\u003eESBE 3F flanged 3-way rotary mixing valve for large flow rates\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE 3F\u003c\/strong\u003e is a cast-iron 3-way rotary valve with PN6 flanges, for mixing or diverting water in heating and cooling systems from \u003cstrong\u003eDN40 to DN150\u003c\/strong\u003e. At Q-Tech we integrate it with its actuator in the pre-assembled plant room, connected and tested in our workshop.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eFlanged 3-way rotary mixing or diverting valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE 3F series\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and cooling in buildings, boiler rooms and high-flow circuits\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSizes\u003c\/th\u003e\u003ctd\u003eDN40 to DN150, Kvs from 44 to 400 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003ePN6 flanges to EN 1092-2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eESBE 90 series and ARC300 (DN100 to DN150) actuators and ESBE CRA120 and CRC120 controllers\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePressure and temperature\u003c\/th\u003e\u003ctd\u003ePN6; −10 to 110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted with its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE 3F?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE 3F is a flanged 3-way rotary valve for hydronic systems that \u003cstrong\u003econtrols the flow temperature\u003c\/strong\u003e in pipework from DN40 to DN150. It turns by hand lever or with an actuator, and is fitted on the flow of each heating or cooling circuit.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn buildings and boiler rooms, circuits carry flow rates that a threaded valve cannot handle. Above DN50, pipework is usually flanged.\u003c\/p\u003e\n\u003cp\u003eThe 3F blends return water into the flow until it reaches the temperature each circuit needs, with a \u003cstrong\u003eKvs of up to 400 m³ per hour\u003c\/strong\u003e. A valve that is too small for the flow restricts the circuit and controls poorly.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN6\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum differential pressure\u003c\/th\u003e\u003ctd\u003e50 kPa\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternal leakage\u003c\/th\u003e\u003ctd\u003eUp to 1.5 % when mixing and 1.0 % when diverting\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRangeability Kv to Kv minimum\u003c\/th\u003e\u003ctd\u003e100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e−10 to 110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eHeating water to VDI 2035; water with up to 50 % glycol or up to 28 % ethanol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eFlanges to EN 1092-2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eEN-JL 1030 cast-iron body and cover plate, brass and stainless steel sector, DZR brass bushing, EPDM O-rings\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003eEuropean Pressure Equipment Directive (PED), article 4.3\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eDN\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eFlange holes\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 40\u003c\/td\u003e\u003ctd\u003e40\u003c\/td\u003e\u003ctd\u003e44\u003c\/td\u003e\u003ctd\u003e4 × Ø15 mm\u003c\/td\u003e\u003ctd\u003e6.8 kg\u003c\/td\u003e\u003ctd\u003e11100400\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 50\u003c\/td\u003e\u003ctd\u003e50\u003c\/td\u003e\u003ctd\u003e60\u003c\/td\u003e\u003ctd\u003e4 × Ø15 mm\u003c\/td\u003e\u003ctd\u003e9.1 kg\u003c\/td\u003e\u003ctd\u003e11100600\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 65\u003c\/td\u003e\u003ctd\u003e65\u003c\/td\u003e\u003ctd\u003e90\u003c\/td\u003e\u003ctd\u003e4 × Ø15 mm\u003c\/td\u003e\u003ctd\u003e10.0 kg\u003c\/td\u003e\u003ctd\u003e11100800\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 80\u003c\/td\u003e\u003ctd\u003e80\u003c\/td\u003e\u003ctd\u003e150\u003c\/td\u003e\u003ctd\u003e4 × Ø18 mm\u003c\/td\u003e\u003ctd\u003e16.2 kg\u003c\/td\u003e\u003ctd\u003e11101000\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 100\u003c\/td\u003e\u003ctd\u003e100\u003c\/td\u003e\u003ctd\u003e225\u003c\/td\u003e\u003ctd\u003e4 × Ø18 mm\u003c\/td\u003e\u003ctd\u003e21.0 kg\u003c\/td\u003e\u003ctd\u003e11101200\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 125\u003c\/td\u003e\u003ctd\u003e125\u003c\/td\u003e\u003ctd\u003e280\u003c\/td\u003e\u003ctd\u003e8 × Ø18 mm\u003c\/td\u003e\u003ctd\u003e27.0 kg\u003c\/td\u003e\u003ctd\u003e11101400\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3F 150\u003c\/td\u003e\u003ctd\u003e150\u003c\/td\u003e\u003ctd\u003e400\u003c\/td\u003e\u003ctd\u003e8 × Ø18 mm\u003c\/td\u003e\u003ctd\u003e37.0 kg\u003c\/td\u003e\u003ctd\u003e11101600\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt is motorised with the \u003cstrong\u003eESBE 90 series actuator\u003c\/strong\u003e, which includes the 900 adaptor kit; from DN100 to DN150, ESBE also offers the 30 Nm ARC300.\u003c\/li\u003e\n\u003cli\u003eESBE CRA120 and CRC120 controllers mount on the valve with the same kit.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum differential pressure of 50 kPa\u003c\/strong\u003e and PN6 nominal pressure: check the flanges on your pipework.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor threaded pipework from DN15 to DN50, the \u003ca href=\"\/en-en\/products\/valvula-mezcladora-rotativa-3-vias-esbe-vrg130-laton-dzr\"\u003eESBE VRG130 3-way valve\u003c\/a\u003e is more compact.\u003c\/li\u003e\n\u003cli\u003eIf the boiler needs a warm return, the \u003ca href=\"\/en-en\/products\/valvula-mezcladora-rotativa-4-vias-esbe-4f-bridas-pn6\"\u003eESBE 4F 4-way valve\u003c\/a\u003e mixes twice.\u003c\/li\u003e\n\u003cli\u003eIf the system works above PN6, look for a valve with a higher nominal pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the flow rate and pipe diameter. Send us the output and temperature difference and we will tell you the right Kvs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich actuator does it take?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ESBE 90 series, with its 900 kit included; from DN100 to DN150 also the ESBE ARC300.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work for mixing and diverting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The same valve works as a mixing or diverting valve depending on how its three ports are connected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe hold it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as the order is confirmed.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech integrates the 3F and its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e: assembled, wired and \u003cstrong\u003etested in our workshop\u003c\/strong\u003e, it arrives ready to connect. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the model. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003eHVAC valves\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/18AE134580C07688E65082AD1865FE447F5F0665C5E8C0EE7EE69241441C16AE\/a82a8b86aa704bbe9dc6e208ef6d1d84\/pdf\/media\/edd1ace360a2409db5f8ba8804f93809\/3F_en_L_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE 3F datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/3138242C01712CC25CF3190326906C4462D621A00CB0DE2E055C397EC93188F7\/aef1dbb5d5da40478ac88567eed84720\/pdf\/media\/a9095879f5e54abb87da929020a57acd\/Anv_3F_4F_98141022_verC_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003e3F and 4F installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/A85565E263E886FBF5D6BC76D09DAECA66CE5887831EF0AF9C054C4C6B420B38\/cdd02ed549b54a079427dd34b16b4926\/pdf\/media\/5c8de9209c5a4e98abb10d781c34c2b2\/DoC_3F,%204F_E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDeclaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"ESBE","offers":[{"title":"3F 40 DN40 Kvs 44 (11100400)","offer_id":58972517859672,"sku":"SE-CO10344","price":446.37,"currency_code":"EUR","in_stock":true},{"title":"3F 50 DN50 Kvs 60 (11100600)","offer_id":58972517892440,"sku":"SE-CO10345","price":408.98,"currency_code":"EUR","in_stock":true},{"title":"3F 65 DN65 Kvs 90 (11100800)","offer_id":58972517925208,"sku":"SE-CO10346","price":453.79,"currency_code":"EUR","in_stock":true},{"title":"3F 80 DN80 Kvs 150 (11101000)","offer_id":58972517957976,"sku":"SE-CO10347","price":635.4,"currency_code":"EUR","in_stock":true},{"title":"3F 100 DN100 Kvs 225 (11101200)","offer_id":58972517990744,"sku":"SE-CO10348","price":777.65,"currency_code":"EUR","in_stock":true},{"title":"3F 125 DN125 Kvs 280 (11101400)","offer_id":58972518023512,"sku":"SE-CO10349","price":1600.83,"currency_code":"EUR","in_stock":true},{"title":"3F 150 DN150 Kvs 400 (11101600)","offer_id":58972518056280,"sku":"SE-CO10350","price":2164.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-3f-valvula-bridas-vista-tres-cuartos.webp?v=1793280730"},{"product_id":"valvula-mezcladora-rotativa-4-vias-esbe-4f-bridas-pn6","title":"ESBE 4F Series Flanged 4-Way Rotary Mixing Valve, PN6 Cast Iron","description":"\u003ch2\u003eESBE 4F flanged 4-way rotary mixing valve for a warm boiler return\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE 4F\u003c\/strong\u003e is a cast-iron 4-way rotary valve with PN6 flanges that works on the double mixing principle in heating systems from \u003cstrong\u003eDN50 to DN100\u003c\/strong\u003e. At Q-Tech we integrate it with its actuator in the pre-assembled plant room, connected and tested in our workshop.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eFlanged 4-way rotary mixing valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE 4F series\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eBoiler rooms that need a warm return and high-flow heating circuits\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSizes\u003c\/th\u003e\u003ctd\u003eDN50 to DN100, Kvs from 60 to 225 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePrinciple\u003c\/th\u003e\u003ctd\u003eDouble mixing: controls the flow temperature and raises the return temperature at the same time\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eESBE 90 series actuators and ESBE CRA120 and CRC120 controllers\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePressure and temperature\u003c\/th\u003e\u003ctd\u003ePN6; −10 to 110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted with its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE 4F?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE 4F is a flanged 4-way rotary valve that controls the flow temperature and, at the same time, \u003cstrong\u003ekeeps the boiler return temperature high\u003c\/strong\u003e. It turns by hand lever or with an actuator, and is fitted between the boiler and the heating circuit.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eSome boilers need warm return water to avoid condensation and corrosion. In large plant rooms, the flow rate also calls for a flanged valve.\u003c\/p\u003e\n\u003cp\u003eThe 4F \u003cstrong\u003emixes twice\u003c\/strong\u003e: it sends the circuit the temperature it needs and returns warmer water to the boiler, with a Kvs of up to 225 m³ per hour.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN6\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum differential pressure\u003c\/th\u003e\u003ctd\u003e50 kPa for DN50; 30 kPa from DN65 to DN100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternal leakage\u003c\/th\u003e\u003ctd\u003eUp to 1.5 % when mixing and 1.0 % when diverting\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRangeability Kv to Kv minimum\u003c\/th\u003e\u003ctd\u003e100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e−10 to 110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eHeating water to VDI 2035; water with up to 50 % glycol or up to 28 % ethanol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eFlanges to EN 1092-2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eEN-JL 1030 cast-iron body and cover plate, brass and stainless steel sector, DZR brass bushing, EPDM O-rings\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003eEuropean Pressure Equipment Directive (PED), article 4.3\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eDN\u003c\/th\u003e\u003cth\u003eKvs (m³ per hour)\u003c\/th\u003e\u003cth\u003eFlange holes\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e4F 50\u003c\/td\u003e\u003ctd\u003e50\u003c\/td\u003e\u003ctd\u003e60\u003c\/td\u003e\u003ctd\u003e4 × Ø15 mm\u003c\/td\u003e\u003ctd\u003e11.0 kg\u003c\/td\u003e\u003ctd\u003e11101900\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e4F 65\u003c\/td\u003e\u003ctd\u003e65\u003c\/td\u003e\u003ctd\u003e90\u003c\/td\u003e\u003ctd\u003e4 × Ø15 mm\u003c\/td\u003e\u003ctd\u003e12.2 kg\u003c\/td\u003e\u003ctd\u003e11102000\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e4F 80\u003c\/td\u003e\u003ctd\u003e80\u003c\/td\u003e\u003ctd\u003e150\u003c\/td\u003e\u003ctd\u003e4 × Ø18 mm\u003c\/td\u003e\u003ctd\u003e20.0 kg\u003c\/td\u003e\u003ctd\u003e11102100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e4F 100\u003c\/td\u003e\u003ctd\u003e100\u003c\/td\u003e\u003ctd\u003e225\u003c\/td\u003e\u003ctd\u003e4 × Ø18 mm\u003c\/td\u003e\u003ctd\u003e25.0 kg\u003c\/td\u003e\u003ctd\u003e11102200\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt is motorised with the \u003cstrong\u003eESBE 90 series actuator\u003c\/strong\u003e, which includes the 900 adaptor kit.\u003c\/li\u003e\n\u003cli\u003eESBE CRA120 and CRC120 controllers mount on the valve with the same kit.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum differential pressure of 30 kPa\u003c\/strong\u003e from DN65 to DN100 and PN6 nominal pressure.\u003c\/li\u003e\n\u003cli\u003eFor closed systems only, with heating water or water with glycol or ethanol in the proportions in the table.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor threaded pipework from DN15 to DN50, the \u003ca href=\"\/en-en\/products\/valvula-mezcladora-selectora-rotativa-4-vias-esbe-serie-vrg140\"\u003eESBE VRG140 4-way valve\u003c\/a\u003e is more compact.\u003c\/li\u003e\n\u003cli\u003eIf your heat source does not need a warm return, the \u003ca href=\"\/en-en\/products\/esbe-3f-3-way-rotary-mixing-valve-flanged-pn6\"\u003eESBE 3F 3-way valve\u003c\/a\u003e is the usual choice.\u003c\/li\u003e\n\u003cli\u003eIf the system works above PN6, look for a valve with a higher nominal pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it differ from the 3F?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4F mixes twice and raises the boiler return temperature. The 3F mixes once and sends the circuit return back unheated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the flow rate and pipe diameter. Send us the output and temperature difference and we will tell you the right Kvs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich actuator does it take?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ESBE 90 series, with its 900 kit included, or an ESBE CRA120 or CRC120 controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe hold it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as the order is confirmed.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech integrates the 4F and its actuator in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e: assembled, wired and \u003cstrong\u003etested in our workshop\u003c\/strong\u003e, it arrives ready to connect next to your boiler. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the model. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003eHVAC valves\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/C9B9ACF3127E650A856E266A2EB0B00ECB58062F1230334C307CAD4C757A8245\/6c771deca7b848c1b35d06b1a8e3567c\/pdf\/media\/b8ad3c90674f4a15ac96b47d7868607e\/4F_en_K_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE 4F datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/3138242C01712CC25CF3190326906C4462D621A00CB0DE2E055C397EC93188F7\/aef1dbb5d5da40478ac88567eed84720\/pdf\/media\/a9095879f5e54abb87da929020a57acd\/Anv_3F_4F_98141022_verC_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003e3F and 4F installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/A85565E263E886FBF5D6BC76D09DAECA66CE5887831EF0AF9C054C4C6B420B38\/cdd02ed549b54a079427dd34b16b4926\/pdf\/media\/5c8de9209c5a4e98abb10d781c34c2b2\/DoC_3F,%204F_E.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDeclaration of conformity\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"ESBE","offers":[{"title":"4F 50 DN50 Kvs 60 (11101900)","offer_id":58972525035864,"sku":"SE-CO10355","price":888.14,"currency_code":"EUR","in_stock":true},{"title":"4F 65 DN65 Kvs 90 (11102000)","offer_id":58972525068632,"sku":"SE-CO10356","price":982.52,"currency_code":"EUR","in_stock":true},{"title":"4F 80 DN80 Kvs 150 (11102100)","offer_id":58972525101400,"sku":"SE-CO10357","price":1237.83,"currency_code":"EUR","in_stock":true},{"title":"4F 100 DN100 Kvs 225 (11102200)","offer_id":58972525134168,"sku":"SE-CO10358","price":1654.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-4f-valvula-bridas-vista-tres-cuartos.webp?v=1793280805"}],"url":"https:\/\/q-tech.es\/en\/collections\/esbe-mixing-valves.oembed","provider":"Q-Tech ® ","version":"1.0","type":"link"}