Safety Relief Valve

Model / MPN: FIG189-1-2-3200 | NSN: 4820-00-018-7881

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Product Details

NATO Stock Number

4820-00-018-7881

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Renewable Seat Ring Type

Pressed-in

Connection Style

G9 plain, optional en (pipe) 1st end

Connection Style

G9 plain, optional en (pipe) 2nd end

Connection Style

Plain, optional en (pipe) 1st end

Connection Style

Plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Features Provided

Valve stem lock shield and bonnet packing and pressure tight outlet side

Maximum Operating Pressure

3200.0 pounds per square inch single response

Thread Size

0.500 inches 2nd end

Thread Size

0.750 inches 1st end

Material

Copper alloy seat

Material

Copper alloy stem

Material

Stainless steel body

Style Designator

C1 angle

Style Designator

Angle

Thread Series Designator

Npt 2nd end

Thread Series Designator

Npt 1st end

Pricing and Availability

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FIG189-1-2-3200 Cross Reference

D661-1255