The three-way mixing valve ESBE VRG 331 is made of brass type DZR with protection against zinc leaching. The valve is equipped with an adjusting handwheel with a scale, which is additionally equipped with end stops. The action radius of the valve is max. 90 °. The scale located below the adjustment knob can be positioned arbitrarily along the path of rotation of the mixing valve heart, depending on the orientation of the valve in the application.

Examples of use

• Heating applications
• Cooling
• Underfloor heating
• Solar systems
• Ventilation
• Central distribution

The VRG 331 valve can be used either as a mixing or as a switching valve. It is suitable for high flow rates.

Suitable actuators

• Complete range of ESBE actuators of the ARA 600 series (adapter is part of the actuator).
• ESBE series 90 series actuators (incl. 90C controllers, etc.). It must be fitted with the VRG 801 adapter - order number 16053300
• BELIMO air actuators - it is possible to use any servo (eg LM-A, NM-A, LF, etc.) in conjunction with an adapter of the MK-VRG type ....
• Actuators for BELIMO NRD, HT mixing valves in conjunction with the MS-NRE6 adapter .

Service

All major parts can be replaced or resealed - a gasket kit or a complete refurbishment kit is available. In most cases, it is not necessary to remove the valve from the application during service.