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NSN 4820-00-203-7917

Stop-check Valve Cartridge

About this product

Disk flow control device, inside screw bonnet type, threaded bonnet attachment method, bolt hole quantity: 6 all ends.

Datasheet

  • Product description

    Stop-check Valve NSN 4820-00-203-7917.

  • MPN or Model

  • Schedule B
    8481.30.1010 (Check valves of copper having a pressure rating under 850 kpa)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Threaded
  • Bolt Hole Quantity
    6 all ends
  • Maximum Operating Temp
    425.0 degrees fahrenheit single response
  • Valve Operation Method
    Manual
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Mounting Position
    Horizontal or vertical
  • Valve Size
    2.500 inches
  • Maximum Operating Pressure
    100.0 pounds per square inch single response
  • Outside Diameter
    6.125 inches all ends
  • Thickness
    0.500 inches all ends
  • First Connection Face To Centerline Distance
    4.500 inches
  • Bolt Hole Diameter
    0.562 inches all ends
  • Second Connection Face To Centerline Distance
    4.500 inches
  • Bolt Circle Diameter
    5.000 inches all ends
  • Flange Face Design
    Plain all ends
  • Material
    Nickel alloy stem
  • Media For Which Designed
    Steam single response
  • Style Designator
    Angle flanged ends
Stop-check Valve

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second 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. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Mechanic Bill explains Stop-check Valve Cartridge

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NSN 4820002037917

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