Startup Bleeding & Venting Valves

Air Breather Valves

Startup bleeding and venting valves are used to vent low pressure plant systems when they are starting up or being filled. The float acts directly on the cone and they have a large seat diameter to ensure fast venting for pressures below 0.1 BAR. During operation these valves are kept closed by the internal system pressure. A sudden vacuum causes them to open and equalise the pressure, preventing any damage which may normally occur.

Not sure where to start? For an overview of our complete range of bleeding and venting valves you can click here to get a basic summary on our different types and advantages.