Safety Relief Valve

Model / MPN: M5120B4ML150 | NSN: 4820-00-875-9862

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

4820-00-875-9862

Sold in multiples of

1 EA

DEMIL

Pipe Size Accommodated

0.500 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Features Provided

Valve stem lock shield and pressure tight outlet side

Thready Qty Per Inch (tpi)

14 1st end

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

0.500 inches 1st end

Opening Pressure Setting

150.0 pounds per square inch

Material

Copper alloy

Material Specification

Qq-c-390, alloy a4 federal specification single material response

Media For Which Designed

Air single response

Test Data Document

18876-9975897 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

Npt 1st end

5120B Series Parts

Pricing and Availability

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M5120B4ML150 Cross Reference

9975897