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NSN 4820-01-261-0991

Stop-check Valve Cartridge

About this product

Material copper alloy 865.

Manufacturer part number B-1221-A 2IN for national stock number 4820012610991.

Datasheet

  • Product description

    Stop-check Valve NSN 4820-01-261-0991.

  • MPN or Model

    B-1221-A 2IN

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    36.3 lb
  • Flow Control Device
    Disk
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Bolt Hole Quantity
    4 all ends
  • Valve Operation Method
    Manual
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Mounting Position
    Horizontal
  • Valve Size
    2.000 inches
  • Maximum Operating Pressure
    150.0 pounds per square inch single response
  • Outside Diameter
    6.000 inches all ends
  • Face To Face Distance
    7.000 inches
  • Thickness
    0.500 inches all ends
  • Bolt Hole Diameter
    0.750 inches all ends
  • Bolt Circle Diameter
    4.750 inches all ends
  • Flange Face Design
    Plain all ends
  • Material
    Copper alloy 836 flow control device or copper alloy 922 flow control device
  • Material Specification
    Astm b62 assn standard 1st material response flow control device or astmb61 assn standard 2nd material response flow control device
  • Style Designator
    Straight through flanged ends
  • Supplementary Features
    This item has been reviewed for asbestos material; the current approved sources; 30263 have indicated their part number contained asbestos prior to 1984, they continue to manufacture the same part number without asbestos material after 1984
  • Furnished Items And Quantity
    1 handwheel
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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 4820012610991

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B-1221-A 2IN Pima Valve, Inc.
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