1-321-802-5889

NSN 4820-01-059-1176

Lift-check Valve

About this product

0.500 inches all ends pipe size accommodated, disk flow control device, packing retaining bonnet type, connection style: streamlined with one brazing ring (pipe) all ends.

Manufacturer part number 549-1 1-2IN for national stock number 4820010591176.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-01-059-1176.

  • MPN or Model

    549-1 1-2IN

  • Schedule B
    8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Pipe Size Accommodated
    0.500 inches all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Packing retaining
  • Connection Style
    Streamlined with one brazing ring (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe all ends
  • Mounting Position
    Horizontal or vertical
  • Maximum Operating Pressure
    700.0 pounds per square inch single response
  • Material
    Copper alloy
  • Media For Which Designed
    Steam single response
  • Style Designator
    Straight thru
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 4820010591176

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
549-1 1-2IN Milwaukee Valve Company, Inc.
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