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NSN 4820-01-423-2026

Lift-check Valve

About this product

1.000 inches all ends pipe size accommodated, inside spring bonnet type, bolted bonnet attachment method, connection style: socket (pipe) all ends.

Manufacturer part number 803-6983468-ASSY 97 for national stock number 4820014232026.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-01-423-2026.

  • MPN or Model

    803-6983468-ASSY 97

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    8.8 lb
  • Pipe Size Accommodated
    1.000 inches all ends
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Socket (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe all ends
  • Mounting Position
    Horizontal
  • Maximum Operating Pressure
    250.0 pounds per square inch single response
  • Material
    Nickel alloy body
  • Media For Which Designed
    Water, salt single response
  • Style Designator
    Straight thru
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Lift-check Valve

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

Mechanic Bill explains Lift-check Valve

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NSN 4820014232026

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-6983468-ASSY 97 Naval Sea Systems Command
6983468 Naval Sea Systems Command
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