Fisher 377 Trip Valve
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Fisher 377 Trip Valve

Fisher 377 trip valves monitor supply pressure and automatically trigger a preset actuator action—fail up, down, or lock in place—when pressure drops too low, then reset on their own once pressure returns to normal.
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Product Introduction

Fisher 377 Trip Valve

 

Fisher 377 trip valves monitor supply pressure and automatically trigger a preset actuator action-fail up, down, or lock in place-when pressure drops too low, then reset on their own once pressure returns to normal.

product-587-587
product-587-587

 

Core product advantages

 

Fisher 377 Trip Valve
A single valve replaces the three separate switching valves typically needed for failure functions-cutting costs and simplifying spare parts inventory.
Switching between fail modes? Just a few tubing changes and you're done.
The trip point adjusts to match your specific supply pressure requirements.
Built with large diaphragm areas and minimal moving parts, it delivers reliable response, stays low-maintenance, and keeps running for years.

 

Detailed parameter list

 

Parameter

Description

Product Type

Pneumatic Trip Valve

Fail Actions

Fail Up / Fail Down / Lock-In-Last-Position

Reset Type

Automatic (when supply pressure rises above trip point)

Trip Mechanism

Pressure-dependent mechanical trip

Supply Pressure Range

Suitable for standard pneumatic control systems

Trip Point

Field-adjustable

Mounting

Compatible with Fisher actuator assemblies

Typical Media

Clean, dry instrument air or compatible gases

Applications

Safety shutdown, pressure loss protection, actuator emergency action

 

product-417-456

 

Main Applications

 

product-1000-640

 

Why Choose Us?

 

•Rapid response and efficient order processing.
•Strong technical team with troubleshooting capabilities.
•All supplied equipment comes with a one-year warranty.
•Reliable service for factories, EPC contractors, and distributors.
•Cost-effective solutions for domestic and international clients.
product-800-437

 

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