ESBE VRG132 32-16 G 1 1/2 Shunt valve Or Changeover valve in use. VRG132 The VRG132 is a 3-way valve for mixing and adjustment. The valves are made of high quality brass, which means they can be used in heating and cooling systems. The VRG series is available on the DN15-50 and includes various types of joints to fit most pipe dimensions. The valve fits perfectly in combination with the ESBE actuators and controls. – Best adjustment for best performance. – The lowest internal leakage rate in the market (<0.05%). – Compact, flexible and easy to install. – Long service life and high durability. – Perfect fit between valve and ESBE actuator.