ESBE 3-Way Rotary Mixing Valve VRG130 Series
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The ESBE VRG130 3-way rotary mixing valve It is a compact, high-performance component designed for unparalleled versatility in temperature and flow control systems. Manufactured in a special DZR brass alloy (corrosion resistant), this valve is suitable for use in the most demanding applications, including drinking water, heating and cooling.
Its 3-way rotary design allows it to function as both mixing valve (to obtain a constant outlet temperature) as selector valve (to divert the flow between two circuits).
✨ Versatility and Durability: Key Benefits of the VRG130
The ESBE VRG130 is the universal solution for flow and temperature control in your installation.
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Maximum Versatility (Universal Use): Certified for heating and cooling comfort And, thanks to its composition, it is suitable for drinking water facilities (ACS).
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Unsurpassed Construction (DZR Brass): Made with DZR brass (de-zincified brass), guaranteeing exceptional corrosion resistance already the electrolytic effects.
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Minimal Internal Leakage: Its compact design and EPDM seals ensure a very low leakage level, which translates into greater accuracy and efficiency of the system.
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Wide Operating Range: It withstands extreme temperatures, from -10°C to 130°C, and a maximum pressure of 10 bar (PN 10).
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Precise Flow Control (Kvs): Available in a wide range of Kvs values (from 1.6 to 40), allowing for precise selection for sizing your circuit.
⚙️ Technical Characteristics and Applications
The VRG130 is designed to be the valve of choice for the professional installer.
Main Application Areas
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Heating and Cooling (Radiators, Fan coils).
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Domestic Hot Water (DHW) and Drinking Water Systems.
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Underfloor Heating Circuits.
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Solar and Ventilation Installations.
Construction Details
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Material: Special DZR Brass Alloy (Corrosion Resistant).
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Together: EPDM (Ethylene Propylene Diene Monomer).
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Control: Includes manual control for adjustment and operation.
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Maximum Working Pressure: 10 bar (PN 10).
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Operating Temperature: -10° to 130°C.
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Connections: Available in Female Thread, Male Thread and with Compression Fittings (please inquire for the latter).
📋 VRG130 Series Models (DN and Kvs)
The model selection is based on the nominal diameter (DN) and the required flow coefficient (Kvs):
| Model | DN | Kvs | Connection |
| VRG131 | 15 | 1.6 | Thread 1/2" H |
| VRG131 | 20 | 4 | 3/4" H |
| VRG131 | 25 | 6.3 | Thread 1" H |
| VRG131 | 32 | 16 | 1-1/8" Thread4" H |
| VRG131 | 40 | 25 | 1-1/8" Thread2" H |
| VRG131 | 50 | 40 | Thread 2" H |
Do you need help sizing the correct Kvs or compatibility with an ESBE actuator?
Choosing the right Kvs is crucial for efficiency. Contact our team. Specialized Technical Support to receive advice on the VRG130 Series and the selection of compatible actuators.
❓ Frequently Asked Questions (FAQ)
1. What is DZR brass and why is it important?
DZR means Dezincification Resistant (Resistant to Dezincification). It is a copper-zinc alloy specifically designed to resist corrosion in aggressive water environments. This ensures the valve longevity and makes it completely safe for use in systems of drinking water and ACS.
2. Can the VRG130 mixing valve be motorized?
Yes. The ESBE VRG130 Series is designed to be compatible with a wide range of ESBE rotary actuators, such as the ARA600, 90, or 100 Series, enabling complete automation of your circuit's temperature control.
3. Does the "very low" leakage level affect the valve's function?
A very low leakage level (specified by ESBE) is key. It ensures that the temperature mixture is precise and stableIn applications such as underfloor heating, a low leakage level prevents the flow from being diverted when it should not be, maintaining the desired comfort temperature precisely.
