Fisher 377 Series Pressure Sensing Adjustable Trip Valves 377U
Product Details
Product Description
377 pressure‐sensing trip valves, shown in figures 1, 2, and 3, are for control applications where a specific valve/actuator action is required when supply pressure falls below a specific point. When supply pressure falls below
the trip point, the trip valve causes the actuator to fail up, lock in the last position, or fail down. When the supply pressure rises above the trip point, the 377 trip valve automatically resets, allowing the system to return to normal
operation. The trip valve can be top‐mounted on a manifold, yoke‐mounted, or bracket‐mounted to match the application requirements. 377 trip valves are used with all types of piston actuators.
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