{"product_id":"bomba-en-linea-dab-klm","title":"DAB KLM flanged dry-rotor in-line pump","description":"\u003ch2\u003eFlanged dry-rotor in-line pump for heating, cooling and DHW in buildings\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAB KLM\u003c\/strong\u003e is a dry-rotor in-line pump with a four-pole, 1,400 rpm motor and DN40 to DN80 flanges. It moves water in heating, cooling, solar or hot water return systems in residential and commercial buildings, with \u003cstrong\u003e3 to 5.8 m head\u003c\/strong\u003e. At Q-Tech we fit it in \u003cstrong\u003epre-assembled plant rooms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eDry-rotor in-line centrifugal pump with mechanical seal\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDAB KLM, single head, 9 single- and three-phase models\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating, air conditioning, solar and domestic hot water return in buildings\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e3 to 5.8 m depending on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003eRange of 2 to 84 m³ per hour depending on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eClean water, free of solids and abrasives; up to 50% glycol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 220-240 V or three-phase 230\/400 V, 50 Hz; 0.1 to 0.75 kW rated power\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted in a pre-assembled plant room or replaced on site by an Expert Technician\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the DAB KLM?\u003c\/h3\u003e\n\u003cp\u003eIt is a DAB in-line electric pump with an asynchronous motor kept apart from the water (dry rotor) and a silicon carbide mechanical seal. The ports are in line and flanged, with threaded gauge tappings. Single-phase models have thermal protection and a capacitor; three-phase models need external motor protection.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn large systems, a wet-rotor circulator can fall short on flow or temperature, or the water carries a high glycol ratio.\u003c\/p\u003e\n\u003cp\u003eThe KLM handles \u003cstrong\u003eliquids from −15 to +120 °C\u003c\/strong\u003e, accepts \u003cstrong\u003eup to 50% glycol\u003c\/strong\u003e and its dry-rotor motor is kept apart from the water by a silicon carbide mechanical seal. It is a fixed-speed pump: it does not regulate flow by itself.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eLiquid temperature\u003c\/th\u003e\u003ctd\u003e−15 to +120 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum ambient temperature\u003c\/th\u003e\u003ctd\u003e+40 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum working pressure\u003c\/th\u003e\u003ctd\u003e10 bar (1,000 kPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection and insulation\u003c\/th\u003e\u003ctd\u003eIP55 · class F\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMotor\u003c\/th\u003e\u003ctd\u003eAsynchronous, four-pole, 1,400 rpm; three-phase IE2 below 0.75 kW and IE3 from 0.75 kW; single-phase IE2 from 120 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlanges\u003c\/th\u003e\u003ctd\u003ePN10, DN40 (250 mm), DN50 (280 mm), DN65 (340 mm) and DN80 (360 mm) flange to flange\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eCast-iron body and motor bracket, technopolymer impeller, AISI 316 shaft, silicon carbide mechanical seal\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMounting\u003c\/th\u003e\u003ctd\u003eHorizontal or vertical, with the motor above the pump\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\u003ePower supply\u003c\/th\u003e\u003cth\u003eFlange · length\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003cth\u003eRated power (P2)\u003c\/th\u003e\u003cth\u003eDAB code\u003c\/th\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 40-300 M\u003c\/th\u003e\u003ctd\u003eSingle-phase 220-240 V\u003c\/td\u003e\u003ctd\u003eDN40 · 250 mm\u003c\/td\u003e\u003ctd\u003e4.1 m\u003c\/td\u003e\u003ctd\u003e0.1 kW\u003c\/td\u003e\u003ctd\u003e60214754\u003c\/td\u003e\u003ctd\u003e21.1 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 40-300 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN40 · 250 mm\u003c\/td\u003e\u003ctd\u003e4.1 m\u003c\/td\u003e\u003ctd\u003e0.1 kW\u003c\/td\u003e\u003ctd\u003e60214753\u003c\/td\u003e\u003ctd\u003e21.1 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 50-300 M\u003c\/th\u003e\u003ctd\u003eSingle-phase 220-240 V\u003c\/td\u003e\u003ctd\u003eDN50 · 280 mm\u003c\/td\u003e\u003ctd\u003e3 m\u003c\/td\u003e\u003ctd\u003e0.11 kW\u003c\/td\u003e\u003ctd\u003e60214756\u003c\/td\u003e\u003ctd\u003e24.2 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 50-300 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN50 · 280 mm\u003c\/td\u003e\u003ctd\u003e3 m\u003c\/td\u003e\u003ctd\u003e0.11 kW\u003c\/td\u003e\u003ctd\u003e60214755\u003c\/td\u003e\u003ctd\u003e24.2 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 50-600 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN50 · 280 mm\u003c\/td\u003e\u003ctd\u003e5.8 m\u003c\/td\u003e\u003ctd\u003e0.22 kW\u003c\/td\u003e\u003ctd\u003e60214757\u003c\/td\u003e\u003ctd\u003e24.6 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 65-300 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN65 · 340 mm\u003c\/td\u003e\u003ctd\u003e3.1 m\u003c\/td\u003e\u003ctd\u003e0.15 kW\u003c\/td\u003e\u003ctd\u003e60214759\u003c\/td\u003e\u003ctd\u003e29.3 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 65-600 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN65 · 340 mm\u003c\/td\u003e\u003ctd\u003e5.1 m\u003c\/td\u003e\u003ctd\u003e0.24 kW\u003c\/td\u003e\u003ctd\u003e60214760\u003c\/td\u003e\u003ctd\u003e29.5 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 80-300 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN80 · 360 mm\u003c\/td\u003e\u003ctd\u003e3.1 m\u003c\/td\u003e\u003ctd\u003e0.25 kW\u003c\/td\u003e\u003ctd\u003e60214761\u003c\/td\u003e\u003ctd\u003e32.5 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eKLM 80-600 T\u003c\/th\u003e\u003ctd\u003eThree-phase 230\/400 V\u003c\/td\u003e\u003ctd\u003eDN80 · 360 mm\u003c\/td\u003e\u003ctd\u003e5.6 m\u003c\/td\u003e\u003ctd\u003e0.75 kW\u003c\/td\u003e\u003ctd\u003e60214762\u003c\/td\u003e\u003ctd\u003e36.7 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eCodes from the DAB Ibérica November 2026 catalogue; they replace codes from earlier catalogues with the same model and dimensions.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCounter-flanges, gaskets and bolts not included\u003c\/strong\u003e: order them separately to suit your pipework.\u003c\/li\u003e\n\u003cli\u003eClean, non-viscous, non-aggressive liquid, free of solids and abrasives; up to 50% glycol.\u003c\/li\u003e\n\u003cli\u003eMount with the motor above the pump.\u003c\/li\u003e\n\u003cli\u003eThree-phase models need a motor protection switch in the panel, as regulations require.\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\u003eMax. head\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-klp-in-line-pump\"\u003eDAB KLP\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eYou need more head (up to 23.4 m): two-pole motor\u003c\/td\u003e\u003ctd\u003e8.3 to 23.4 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-evoplus-medium-large-circulator-pump\"\u003eDAB EVOPLUS Medium and Large\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eYou want an electronic circulator that regulates flow by itself, up to 18 m\u003c\/td\u003e\u003ctd\u003e4 to 18 m\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\u003eWhat do the model numbers mean, for example KLM 50-600 T?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e50 is the flange size (DN50), 600 is the motor and hydraulic size and T means three-phase (M, single-phase).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for domestic hot water?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDAB lists it for DHW recirculation in residential and commercial systems, as well as heating, cooling and solar.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre counter-flanges included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Counter-flanges, gaskets and bolts are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse; if none were left, we would order it urgently and tell you the lead time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho should install it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eQualified professionals must make the plumbing and electrical connections.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech fits and tests the pump in our workshop as part of a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e, which arrives \u003cstrong\u003etested and ready to connect\u003c\/strong\u003e. To replace a pump in your system, book an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e; if you are unsure which model fits, request a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e. More equipment in \u003ca href=\"\/en-en\/collections\/dab-circulator-pumps\"\u003eDAB circulator pumps\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/dabpumps.es\/sites\/dabpumps.es\/files\/2026-11\/Klm%2C%20Klp_Dklm%2C%20Dklp%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB KLM, KLP, DKLM and DKLP catalogue, November 2026 (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dabpumps.com\/content\/dam\/dabpumps-dam\/products\/dab\/eng_master\/in_line_pumps\/klm_klp\/documentation\/r-d-documentation\/instruction-manual\/klm_klp_dklm_dklp_dab_instruction_manual_printed_version_multi_60180608.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB KLM and KLP instruction manual (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dabpumps.com\/content\/dam\/dabpumps-dam\/products\/dab\/eng_master\/in_line_pumps\/klm_klp\/documentation\/r-d-documentation\/declaration-of-conformity\/klm_klp_dklm_dklp_dab_declaration_conformity_eu_multi_60164947.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB KLM and KLP EU declaration of conformity (multilingual)\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\n","brand":"DAB","offers":[{"title":"KLM 40-300 M","offer_id":59093724758360,"sku":"SE-AC41251","price":1024.81,"currency_code":"EUR","in_stock":true},{"title":"KLM 40-300 T","offer_id":59093724791128,"sku":"SE-AC41252","price":926.29,"currency_code":"EUR","in_stock":true},{"title":"KLM 50-300 M","offer_id":59093724823896,"sku":"SE-AC41267","price":1532.4,"currency_code":"EUR","in_stock":true},{"title":"KLM 50-300 T","offer_id":59093724856664,"sku":"SE-AC41268","price":1412.46,"currency_code":"EUR","in_stock":true},{"title":"KLM 50-600 T","offer_id":59093724889432,"sku":"SE-AC41272","price":1412.46,"currency_code":"EUR","in_stock":true},{"title":"KLM 65-300 T","offer_id":59093724922200,"sku":"SE-AC41283","price":1427.45,"currency_code":"EUR","in_stock":true},{"title":"KLM 65-600 T","offer_id":59093724954968,"sku":"SE-AC41285","price":1427.45,"currency_code":"EUR","in_stock":true},{"title":"KLM 80-300 T","offer_id":59093724987736,"sku":"SE-AC41291","price":1445.65,"currency_code":"EUR","in_stock":true},{"title":"KLM 80-600 T","offer_id":59093725020504,"sku":"SE-AC41293","price":1679.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/dab-klm-bomba-en-linea-rotor-seco.webp?v=1794393015","url":"https:\/\/q-tech.es\/en-int\/products\/dab-klm-in-line-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}