Safety Relief Valve

Model / MPN: 11683 | NSN: 4820-00-176-4779

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

4820-00-176-4779

Sold in multiples of

DEMIL

Pipe Size Accommodated

0.125 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Renewable Seat Ring Type

Pressed-in

Maximum Operating Temp

200.0 degrees celsius single response

Connection Style

G46b plain (pipe) 1st end

Connection Style

Plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Thready Qty Per Inch (tpi)

27 1st end

Adjustable Pressure Range

+0.5/+140.0 pounds per square inch

Adjustable Pressure Range

+0.5 to 140.0 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.125 inches 1st end

Opening Pressure Setting

31.0 pounds per square inch

Material

Copper body

Material

Copper flow control device and rubber ethylene-propylene class epm flow control device

Material

Copper seat

Surface Treatment

Chromium

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

11683 Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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11683 Cross Reference

562B1M31
W011683
P69104-90