Safety Relief Valve

Model / MPN: D559A 2M-1 | NSN: 4820-01-215-2140

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

4820-01-215-2140

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

-40.0 degrees fahrenheit 1st response

Maximum Operating Temp

250.0 degrees fahrenheit 2nd response

Connection Style

Plain (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external pipe all ends

Adjustable Pressure Range

+0.5 to 2.4 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.250 inches all ends

Material

Aluminum flow control device

Material

Aluminum body

Media For Which Designed

Hydrogen 5th response

Media For Which Designed

Refrigerant 12 4th response

Media For Which Designed

Acetylene 2nd response

Media For Which Designed

Air 1st response

Media For Which Designed

Ammonia, gaseous 3rd response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

Furnished Items And Quantity

1 deflector cap

D559A 2M Series Parts

D559A 2M-1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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D559A 2M-1 Cross Reference

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