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Fisher 377 Pressure-Sensing Trip Valve

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Jani Ilmaniemi
Key Account Manager Nuclear
Phone. 0207 416 203
Mob. 040 502 1461

Taneli Luhanko
Inside Sales Engineer
Phone. 0207 416 202
Mob. 040 757 4208

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. When the supply pressure rises above the trip point, the 377 trip valve automatically resets, allowing the system to return to normal operation.

Fisher JALOSTAMO TUOTTEET YDINVOIMALOIHIN

Tekniset tiedot
Ominaisuudet

Certifications	ATEX, CUTR
Diagnostics	No
Input Signal	Pneumatic
Max Outlet Pressure	150 psig
Mounting Type	Actuator Mount
Operating Temperature	Standard Temperature, High Temperature
Position Control	On/Off
Safety Certification	SIL 3 capable
Supply Media	Air, Natural Gas

Single trip valve construction reduces costs and spare part requirements of those systems using three separate switching valves to perform the failure functions. A single trip valve greatly simplifies piping requirements.
Conversion to any of the fail modes requires only minor hook-up changes.
The trip point is adjustable for specific supply pressure requirements.
The trip valve design includes large diaphragm areas and few moving parts for efficient performance, minimum maintenance, and long service life.

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Fisher 377 Pressure-Sensing Trip Valve

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