1-321-802-5889

NSN 4820-00-145-5147

Relief Valve

About this product

Raised face slotted eight places.

Manufacturer part number P56-344-400 for national stock number 4820001455147.

Datasheet

  • Product description

    Pressure And Temperature Relief Valve NSN 4820-00-145-5147.

  • MPN or Model

    P56-344-400

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Body Material
    Steel, stainless, type 303
  • Body Style
    Straight thru
  • Tempurature Rating
    500.0 degrees fahrenheit
  • Media For Which Designed
    Air or nitrogen, gaseous
  • First End Connection Type
    Threaded external gas cylinder
  • First End Style Designator
    Gasket seal
  • First End Thread Size And Series/type Designator
    0.312-24 unf
  • First End Thread Direction
    Right-hand
  • Second End Relationship With First End
    Not identical
  • Second End Connection Type
    Raised face flange
  • Second End Style Designator
    Plain
  • Second End Raised Face Diameter
    Between 0.485 inches and 0.495 inches
  • Second End Flange Shape Style
    Hexagon w/o bolt holes
  • Second End Flange Thickness
    Between 0.175 inches and 0.205 inches
  • Second End Width Across Flats
    0.500 inches
  • Flow Control Device
    Poppet
  • End Connection Quantity
    2
  • Valve Discharge Flow Rate
    Not rated
  • Tempurature Adjustability
    Not adjustable
Pressure And Temperature Relief Valve

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Mechanic Bill explains Relief Valve

Pricing and Availability

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NSN 4820001455147

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P56-344-400 Circor Aerospace, Inc.
Stock Check
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