Priority valve single-pipe VVE

This VdS approved 3/2 way priority valve connects two CO₂ lines or one compressed air line and one CO₂ line.

In normal state, the VA inlet is connected to the CA outlet. When pressure is admitted to the CO₂ inlet, the valve reverses, connecting the CO₂ inlet to the CA outlet. The VA inlet will be closed off.

For pipe connection of the valve, three male connectors 1/8″ (z. B. B1-6-1/8) will be required additionally.

The design of the SHEVS may require reliable venting of the piping.