WebFisher™ 377 Pressure-Sensing Trip Valve. Fisher 377 trip valves help you maintain normal process operation in applications where a specific valve or actuator action is required. 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. WebFeatures. Fisher 377 trip valves help you maintain normal process operation in applications where a specific valve or actuator action is required. When supply pressure falls below …
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WebFisher 377 Trip Valve Instruction Manaul (D200319X012) 167D, 167DA, 167DS and 167DAS Switching Valves Installation Guide (D103234X014) ... a Fisher 377L trip valve is used as the locking device. The 377L trip valve has two output ports for locking pressure on both sides of a double‐acting actuator. Figure 2 is a schematic representing proper ... WebBuy surplus and used FISHER R377X000012. 0. Menu About NRI; Sell Your Surplus; Guarantee & Refunds; Reliable Shipping; Contact NRI; Online Auctions; Clearance ... slowed over and over
Fisher™ 377 Trip Valve AR Valve Resources Valve Details
WebFisher 377 trip valves help you maintain normal process operation in applications where a specific valve or actuator action is required. When supply pressure falls below the trip … WebThe 377 trip valve is normally ordered as part of a control valve assembly. Follow the procedure in the appropriate valve body and actuator instruction manual when installing the control valve in the piping. If the 377 trip valve is shipped separately from the control valve assembly, the installation procedure depends upon WebProduct Bulletin Fisher™ 657 and 667 Diaphragm Actuators Fisher 657 and 667 spring-opposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals applied to the actuator diaphragm. Zero setting of the actuator is determined by the compression of the actuator spring. slowed one more time daft