BVP Valve

The Evac BVP Valve is a component that prevents flooding in the vacuum riser piping. The BVP Valve is one of the key components that comprise an Evac riser along with an activator, interface valve, buffer box, mini-check valve, and vacuum hose.


• Provides an additional atmospheric air intake for discharge cycle


The BVP is installed in riser pipes to improve the action of moving water up the riser. The BVP prevents a condition when water fills the riser pipe and upward flow stops. The BVP mixes air with the water in the riser pipe when the pinch valve is open to improve movement of water up the riser.

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