The hydraulic cylinder moves based on the differential pressure sensed across the filter. When differential pressure exceeds the set point, the cylinder closes a toggle valve, stopping flow to a hydraulic or pneumatic deadman or stopping flow to a pilot valve.

Connects to the existing differential pressure gauge lines and existing hydraulic deadman circuit.

No power needed, 2 way hydraulic and 3-way compressed air versions available.

Adjustable set point. It can be simply tested using a 3-way valve (GTP-2305V) or better yet, connect directly to Gammon Gauge with a Push Button Tester. (Special lower flange on Gammon Gauge needed).

Lockable cover, simple, heavy duty design.

Aluminum and Stainless Steel construction.