4-way bivalent mixer type VRB 142

• Installation in bivalent heating systems
• For use for prioritising two heat sources
• Connection in series or parallel
• Simple mounting option for various Mixers motors
• Various installation positions possible
• Outstanding control accuracy due to very low leakage rate

Technical data:
• Operating temperature: -10°C to +130°C
• Operating pressure max.: 10 bar
• Leakage rate: 0.05 %
• Torque:
- DN 15-32: < 3 Nm
- DN 40-50: < 5 Nm
• Body material: dezincification-resistant brass DZR
• Shaft and bearing bush: PPS composite
• O-rings: EPDM
• Angle of rotation: 90°
• Media:
- Water according to VDI2035
- Glycol mixture max. 50 %
- Ethanol mixture max. 28 %

• Connections with external thread