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NSN 4820-00-883-8981

Flow Switching Valve Block

About this product

Threaded bonnet attachment method, manual valve operation method, threaded internal pipe connection type, valve size: 1.250 inches.

Manufacturer part number 514 for national stock number 4820008838981.

Datasheet

  • Product description

    Gate Valve NSN 4820-00-883-8981.

  • MPN or Model

    514

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Bonnet Attachment Method
    Threaded
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal pipe
  • Features Provided
    Bonnet packing
  • Valve Size
    1.250 inches
  • Maximum Operating Pressure And Media For Which Designed
    150.0 pounds per square inch steam and 300.0 pounds per square inch water-oil-gas
  • Thread Size
    1.250 inches
  • Stem Type
    Nonrising
  • Maximum Operating Tempurature And Media For Which Designed
    500.0 degrees fahrenheit steam
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    150.0 pounds
  • Material
    Copper alloy 836 disk
  • Material Specification
    Astm wpc alloy 69 assn standard single material response stem
  • Thread Series Designator
    Npt
Gate Valve

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Mechanic Bill explains Flow Switching Valve Block

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NSN 4820008838981

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
514 William Powell Company The
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