Safety Relief Valve

Model / MPN: 20183-1KM41M | NSN: 4820-01-132-1599

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

4820-01-132-1599

Sold in multiples of

1 EA

DEMIL

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Maximum Operating Temp

250.0 degrees fahrenheit single response

End Application

Spruance class d (963)

Valve Operation Method

Automatic

Connection Type

Unthreaded internal tube all ends

Adjustable Pressure Range

+66.0/+75.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Outside Diameter Tube Accommodated

0.750 inches all ends

Material

Copper alloy body

Material

Nickel alloy seat

Material

Nickel alloy stem

Material

Nickel alloy flow control device

Material Specification

Qq-c-390, alloy d4/d/ federal specification single material response body

Material Specification

Qq-n-281 federal specification single material response flow control device

Material Specification

Qq-n-281 federal specification single material response seat

Material Specification

Qq-n-288 federal specification single material response stem

Media For Which Designed

Water-oil-gas single response

20183 Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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20183-1KM41M Cross Reference

20183
20183-1KM41M