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NSN 4820-00-761-1981

Relief Valve

About this product

Bronze body material, any acceptable outside surface treatment, angle give "adqm" and "adqn" only if flanged one or two ends body style, stem material: steel, corrosion resisting.

Manufacturer part number HSRV-1-85 for national stock number 4820007611981.

Datasheet

  • Product description

    Pressure And Temperature Relief Valve NSN 4820-00-761-1981.

  • MPN or Model

    HSRV-1-85

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    2.5 lb
  • Body Material
    Bronze
  • Outside Surface Treatment
    Any acceptable
  • Body Style
    Angle give "adqm" and "adqn" only if flanged one or two ends
  • Stem Material
    Steel, corrosion resisting
  • Tempurature Rating
    180.0 degrees fahrenheit
  • Media For Which Designed
    Water, fresh
  • First End Connection Type
    Unthreaded internal pipe
  • First End Style Designator
    Plain
  • First End Pipe Size Accommodated
    0.500 inches
  • Second End Relationship With First End
    Not identical
  • Second End Connection Type
    Unthreaded internal pipe
  • Second End Style Designator
    Plain
  • Second End Pipe Size Accommodated
    0.250 inches
  • Seat Material
    Bronze
  • Flow Control Device
    Poppet
  • Flow Control Device Material
    Bronze
  • End Connection Quantity
    2
  • Opening Pressure Setting
    80.0 pounds per square inch
  • Tempurature Adjustability
    Not adjustable
  • Tempurature Control Device Type
    Fusible
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 4820007611981

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HSRV-1-85 Electric Heater Company, The
HSRV-1 Electric Heater Company, The
1771093 Electric Heater Company, The
17723-7 Electric Heater Company, The
Stock Check
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