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Safety Relief Valve

Model / MPN: 20254 1IN | NSN: 4820-01-274-3617
ITAR Registered seal

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
4820-01-274-3617
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
1.000 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Maximum Operating Temp
165.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+211.0/+240.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Media For Which Designed
Water-oil-gas single response

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20254 1IN Cross Reference
  • 20254T51M AND 20254
  • 20254 1IN
  • 20254T51M AND 20254