The three-way ESBE mixing valve VRG 131 is made from DZR brass with protection against zinc leaching. The valve is equipped with an adjustable manual wheel with a scale, which also features end stops. The valve's action radius is max. 90°. The scale located under the adjustment knob can be positioned anywhere along the rotation path of the mixing valve's core, depending on the valve's orientation in the application.

Examples of Use

• Heating applications
• Cooling
• Underfloor heating
• Solar systems
• Ventilation
• Central distribution systems
• Replacement for the original ESBE 3MG25-12 type

The VRG 131 valve can be used either as a mixing or a diverting valve.

Installation Example

Mixing

Diverting

Suitable Actuators

• The complete range of ESBE actuators from the ARA 600 series (adapter included with the actuator).
• ESBE actuator series 90 (including controllers 90C, etc.). Must be fitted with adapter VRG 801 - item number 16053300
• HVAC actuators BELIMO - any servo (e.g., LM-A, NM-A, LF, etc.) can be used in conjunction with adapter type MK-VRG...
• Actuators for mixing fittings BELIMO NRD, HT in conjunction with adapter MS-NRE6.

Service

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