Safety Relief Valve

Model / MPN: 112CSS-4-220 | NSN: 4820-00-840-4286

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

4820-00-840-4286

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside screw

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Valve Discharge Flow Rate

118.0 cubic feet per minute

Maximum Operating Temp

250.0 degrees fahrenheit 1st response

End Application

Grumman; a10 aircraft

Connection Style

G46b plain (pipe) 1st end

Valve Operation Method

Automatic or manual

Connection Type

Threaded external pipe 1st end

Features Provided

Valve stem lock shield

Maximum Operating Pressure

225.0 pounds per square inch single response

Thread Size

0.250 inches 1st end

Opening Pressure Setting

220.0 pounds per square inch

Material

Copper alloy

Media For Which Designed

Air 1st response

Media For Which Designed

Fuel/oil, hydrocarbon 2nd response

Thread Series Designator

Npt 1st end

112CSS Series Parts

Pricing and Availability

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112CSS-4-220 Cross Reference

48A
48
48A1-4IN220PSI
112C1-4-220PDI
48A
48
48A1-4IN220PSI
112C1-4-220PDI