Válvula mezcladora rotativa 4 vías ESBE Serie VRG140

ESBE VRG140 Series 4-Way Rotary Mixing/Diverting Valve

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Regular price€151,04
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At Q-TECH, we apply the same clear rules for everyone: the law protects you, and when applied correctly, it protects us as well. By processing your purchase, you accept our General Terms and Conditions of Sale. If you are purchasing as a consumer (B2C), nothing stated herein limits the rights granted to you by mandatory law (RDL 1/2007, TRLGDCU): the 3-year legal warranty of conformity and the right of withdrawal under the terms and with the exceptions legally provided, which are detailed below. References to "B2B" apply only to businesses and professionals.

Your guarantees

  • Rights intact: 14 days of withdrawal from receipt for most products—subject to the legal exceptions you will see below, such as goods made to your specifications—and a 3-year legal warranty of conformity, under the terms of the TRLGDCU.
  • Conformity with the description: we guarantee that the equipment will correspond to the published technical description and what one could reasonably expect from it (arts. 115 et seq. TRLGDCU). Images and videos are for guidance only: the manufacturer may supply a more recent revision of the product or introduce minor aesthetic, packaging, or firmware changes, without this constituting a lack of conformity as long as the described characteristics and performance are maintained.
  • Traceability that also protects you: we document the condition, serial number, and seal of each piece of equipment upon shipment, and we video-record the opening of returns; this is your proof of the condition in which the goods were delivered.

Responsible use and your part

  • If you are thinking of returning it, keep it as you received it: without installing or activating it, with its seals, accessories, and packaging intact. This is how to ensure a full refund, without deductions.
  • Handling that exceeds inspection reduces value: handling the equipment beyond what is necessary to verify its nature and operation may result in a real, assessed, and case-by-case justified deduction (art. 108.2 TRLGDCU), never a fixed percentage. In particular: activating or registering the serial number, linking it to a manufacturer's account or app, circulating water through hydraulic equipment, unsealing probes, or installing software or consumables. Initial inspection of the product does not lead to a deduction.
  • The same item must be returned: withdrawal requires returning the supplied unit. Different equipment, or equipment with prior use, age, or wear prior to purchase, does not constitute a valid withdrawal.
  • Installation and cybersecurity, shared responsibility: this is technical hardware; you are responsible for correct installation, credentials, patches, and backups, while we deliver a compliant product. Q-TECH is not liable for damages resulting from poor installation, incorrect configuration, or omission of patches by the customer or third parties (in B2C, without prejudice to the legal warranty and liability for intent or negligence, arts. 86 and 130 TRLGDCU).
  • Delivery of bulky goods: delivery is made to the curb. B2C: transport risk is ours until physical delivery (art. 66 ter); we recommend noting visible damages on the delivery note and notifying us of breakages within 24-48 hours with photographs to activate the insurance. B2B: inspection and notation on the delivery note are mandatory; hidden damages must be reported within 24 hours (art. 366 CCom). Unjustified rejection or incorrect shipping information will entail the actual outbound and return costs (approx. €85-550 for heavy machinery).

Made to your measure (Advanced Pre-Assembly)

  • If your order includes equipment, racks, hydraulic assemblies, or technical rooms made or configured according to your specifications (permanent joints, custom cuts or wiring, parameterization, pressure testing), these are custom goods without the right of withdrawal from the conclusion of the contract (art. 103.c TRLGDCU; CJEU Case C-529/19), which is informed before purchasing and documented in the signed Order Note. A test you request without permanent modification retains your right of withdrawal, with only the actual loss of value caused by that test being deducted. Would you prefer to receive it tested, configured, and ready to connect, without assuming these risks? Contract our Advanced Pre-Assembly or the prior technical audit.

If you are purchasing as a business or professional (B2B)

  • The transaction is governed by the Commercial Code: firm sale, without the right of withdrawal; notification of defects within 4 days (apparent) / 30 days (hidden), arts. 336 and 342. Q-TECH acts as a distributor and excludes indirect damages, loss of profit, and data loss, limited to the price of the equipment, without prejudice to the manufacturer's commercial warranty.

Product warnings v1.0 · June 2026. Information summary; the complete and binding conditions are those published at q-tech.es.

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The ESBE VRG140 Series 4-way rotary mixing valve is an exceptional flow regulation component, specifically designed for systems requiring more complex mixing and diverting control. Its 4-way design is ideal for heating, cooling, and solar energy applications, providing high functionality and precise control.

Manufactured with special DZR brass alloy (corrosion-resistant), the VRG140 offers superior durability and a very low internal leakage level, ensuring maximum circuit efficiency.

✨ Versatility and Control: Key Benefits of the VRG140 (E-E-A-T)

The 4-way functionality of the VRG140 allows for advanced and reliable control solutions.

  • Unique 4-Way Control: Allows for precise flow mixing and switching between two circuits in a single compact unit, ideal for complex heating/cooling systems.
  • DZR Brass Durability: Material resistant to corrosion and dezincification, ensuring a long service life and consistent performance (PN 10).
  • Simple Automation: Designed with an exclusive interface to easily couple and automate with ESBE ARA600 series actuators, offering high regulation precision.
  • Flexible Installation: The valve position selector can be rotated and the interface is reversible, facilitating various mounting positions in confined spaces.
  • Extreme Operating Range: Supports operating temperatures from -10°C to 130°C and a maximum pressure of 10 bar.

⚙️ Technical Features and Applications

The VRG140 Series is the professional choice for high-performance and advanced control systems.

Main Application Areas

  • Heating Circuits (Radiators, Zones).
  • Comfort Cooling Installations.
  • Solar Thermal Energy Systems.
  • Complex Control: Applications requiring both simultaneous mixing and diverting.

Construction Details

  • Material: Special DZR brass alloy (PN 10).
  • Seals: EPDM (Ethylene Propylene Diene Monomer).
  • Manual Operation: Knob with anti-slip buttons and stops.
  • Operating Angle: 90°.
  • Leakage Level: Very low.
  • Connections: Available with Female Thread (and Male/External Thread upon request).

📋 VRG140 Series Models (DN and Kvs)

Select the appropriate model based on the flow rate and nominal diameter required for your project:

Model DN Kvs Connection
VRG141 15 2.5 1/2" Female Thread
VRG141 20 4 3/4" Female Thread
VRG141 25 6.3 1" Female Thread
VRG141 32 16 1-1/4" Female Thread
VRG141 40 25 1-1/2" Female Thread
VRG141 50 40 2" Female Thread

Need to automate your system?

The VRG140 is fully compatible with the ESBE ARA600 series of actuators. Contact our Specialized Technical Support to receive advice on motorization and the selection of advanced controllers.

❓ Frequently Asked Questions (FAQ)

1. What is the advantage of a 4-way mixing valve over a 3-way valve?

A 3-way valve mixes or diverts flow. A 4-way valve (VRG140) can mix and simultaneously split the flow into two different circuits or keep a main circuit closed while mixing another. This is crucial for efficient energy management in systems that combine different heat or cold sources (e.g., heating and solar energy).

2. What is the wide temperature range (-10° to 130°C) used for?

This wide operating range ensures that the VRG140 valve can be reliably used in both cooling applications (low temperatures) and solar heating or high-efficiency boiler circuits (high temperatures), without compromising the integrity of the seals or the valve body.

3. What other actuators are compatible with the VRG140 besides the ARA600 Series?

In addition to the ARA600 Series, more advanced ESBE temperature controllers, such as the CRB or CRC series, are compatible. These controllers use the unique interface of the VRG140 valve to provide more sophisticated control functions (e.g., based on outside temperature or time schedules).

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