Safety Relief Valve

Model / MPN: 20235 H51M | NSN: 4820-01-127-6051

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

4820-01-127-6051

Sold in multiples of

1 EA

DEMIL

Pipe Size Accommodated

0.250 inches all ends

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Maximum Operating Temp

165.0 degrees fahrenheit single response

End Application

Los angeles class ss (688)

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe all ends

Adjustable Pressure Range

+45.0/+55.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

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

Media For Which Designed

Gas, natural single response

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7MC17TR565	Valve, Safety Relief	1	EA	08/07/2017
SPE7MC17TS218	Valve, Safety Relief	1	EA	08/18/2017
SPE7MC18T4506	Valve, Safety Relief	1	EA	01/12/2018
SPE7MC18T6116	Valve, Safety Relief	1	EA	02/20/2018

Pricing and Availability

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20235 H51M Cross Reference

20235
20235 H51M