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Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: M36548-1PC580 | NSN: 4820-00-287-4105
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
4820-00-287-4105
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
1.250 inches 1st end
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Maximum Operating Temp
350.0 degrees fahrenheit 2nd response
Maximum Operating Temp
425.0 degrees fahrenheit 1st response
Connection Style
G9 plain, optional en (pipe) all ends
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe all ends
Features Provided
Valve stem lock shield
Adjustable Pressure Range
+4.0/+9.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch 1st response
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Thread Size
1.250 inches all ends
Material
Copper alloy flow control device
Material
Copper alloy stem
Material
Copper alloy body
Material
Nickel alloy seat
Media For Which Designed
Steam 1st response
Media For Which Designed
Air 2nd response
Style Designator
Angle
Thread Series Designator
Npt all ends
M36548 Series Parts

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M36548-1PC580 Cross Reference
  • 460-0275-000
  • 51-143PC580
  • 51-160PC580
  • 51-332PC580
  • 51-335PC580
  • 51-391PC580
  • 51-449PC580
  • M36461-1PC46
  • M36558-2ALT1PC580
  • M36558-2PC580
  • M36737PC580
  • M36812PC580
  • V009