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NSN 4820-01-131-9523

Lift-check Valve

About this product

Disk flow control device, inside spring bonnet type, integral bonnet attachment method, connection style: external seat for gasket seal (boss) all ends.

Manufacturer part number 680-3 PL-135 VITON 1-2IN for national stock number 4820011319523.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-01-131-9523.

  • MPN or Model

    680-3 PL-135 VITON 1-2IN

  • Schedule B
    8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
  • NMF (National Motor Freight)
    050855 - Cocks R Valves Etc Bbc
  • Thread Class
    2a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Maximum Operating Temp
    225.0 degrees fahrenheit single response
  • Connection Style
    External seat for gasket seal (boss) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external boss all ends
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    12 all ends
  • Maximum Operating Pressure
    6000.0 pounds per square inch single response
  • Thread Size
    1.750 inches all ends
  • Seat Angle
    37.0 degrees all ends
  • Material
    Plastic polyamide flow control device
  • Material Specification
    Qq-n-281 federal specification single material response seat
  • Media For Which Designed
    Water-oil-gas single response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Un all ends
More from these suppliers
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 4820011319523

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
680-3 PL-135 VITON 1-2IN Admiral Valve, Llc
PL-135 PART 680-3 VITON 1-2IN Admiral Valve, Llc
680-3 PL2479 Admiral Valve, Llc
Stock Check
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