Safety Relief Valve

Model / MPN: 577A1-4D-30 | NSN: 4820-01-350-3686

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

4820-01-350-3686

Sold in multiples of

1 EA

DEMIL

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Disk Loading Method

Spring

Valve Discharge Flow Rate

0.7 gallons per minute

Maximum Operating Temp

180.0 degrees fahrenheit single response

Connection Style

G50 external seat for gasket seal (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external boss all ends

Thready Qty Per Inch (tpi)

20 all ends

Thread Size

0.438 inches all ends

Opening Pressure Setting

30.0 pounds per square inch

Material

Aluminum alloy body

Surface Treatment

Anodize

Thread Series Designator

Unj all ends

577A1 Series Parts

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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577A1-4D-30 Cross Reference

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