Safety Relief Valve

Model / MPN: 20040A51SS | NSN: 4820-01-110-9815

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

4820-01-110-9815

Sold in multiples of

1 EA

DEMIL

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Union

Disk Loading Method

Spring

Maximum Operating Temp

380.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Connection Type

Flange 1st end

Valve Size

4.000 inches

Adjustable Pressure Range

+6.0/+9.0 pounds per square inch

Maximum Operating Pressure

185.0 pounds per square inch single response

First Connection Face To Centerline Distance

6.125 inches

Second Connection Face To Centerline Distance

6.375 inches

Material

Steel body

Material

Stainless steel flow control device

Material

Stainless steel seat

Material

Stainless steel stem

Media For Which Designed

Water-oil-gas single response

20040A Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
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HAZMAT Certified
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