Safety Relief Valve

Model / MPN: D559T8M28 | NSN: 4820-01-386-1674

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

4820-01-386-1674

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Maximum Operating Temp

250.0 degrees fahrenheit single response

End Application

6685-01-287-6114

Connection Style

G46b plain (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external pipe all ends

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

1.000 inches all ends

Opening Pressure Setting

25.0 pounds per square inch

Material

Steel comp 303 body

Media For Which Designed

Acetylene 1st response

Media For Which Designed

Air 2nd response

Media For Which Designed

Gas, inert 4th response

Media For Which Designed

Hydrogen 3rd response

Thread Series Designator

Npt all ends

Furnished Items And Quantity

1 deflector cap

559T Series Parts

Pricing and Availability

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D559T8M28 Cross Reference

D559T-8M-25
D559T-8M-25