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NSN 4820-00-580-2890

Stop-check Valve Cartridge

About this product

Outside screw-yoke bonnet type, 8 1st end bolt holes, flange 1st end connection type, maximum operating pressure: 2500.0 pounds per square inch single response.

Manufacturer part number B11-115-246 for national stock number 4820005802890.

Datasheet

  • Product description

    Stop-check Valve NSN 4820-00-580-2890.

  • MPN or Model

    B11-115-246

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Bonnet Type
    Outside screw-yoke
  • Bolt Hole Quantity
    8 1st end
  • Maximum Operating Temp
    600.0 degrees fahrenheit single response
  • Connection Type
    Flange 1st end
  • Maximum Operating Pressure
    2500.0 pounds per square inch single response
  • Criticality Code Justification
    Zzzy
  • Outside Diameter
    9.250 inches 1st end
  • Bolt Hole Diameter
    1.125 inches 1st end
  • Bolt Circle Diameter
    6.750 inches 1st end
  • Flange Face Design
    Raised straight 1st end
  • Material
    Stainless steel body
  • Media For Which Designed
    Water, fresh single response
  • Style Designator
    Angle
  • Reference Number Differentiating Characteristics
    Selected and tested for nuclear propulsion plant systems
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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 4820005802890

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B11-115-246 Dresser, Inc.
8930B2-741 Ashcroft Inc.
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