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NSN 4820-00-287-3953

Flow Switching Valve Block

About this product

Inside screw bonnet type, u-bolt bonnet attachment method, manual valve operation method, connection type: threaded internal pipe.

Manufacturer part number FIG4901 1-2IN for national stock number 4820002873953.

Datasheet

  • Product description

    Gate Valve NSN 4820-00-287-3953.

  • MPN or Model

    FIG4901 1-2IN

  • Schedule B
    8481.80.3010 (Gate type taps, cocks and valves of iron, hand operated)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    U-bolt
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal pipe
  • Features Provided
    Bonnet packing
  • Valve Size
    1.500 inches
  • Maximum Operating Pressure And Media For Which Designed
    150.0 pounds per square inch steam and 225.0 pounds per square inch water-oil-gas
  • Thread Size
    1.500 inches
  • Stem Type
    Rising
  • Maximum Operating Tempurature And Media For Which Designed
    450.0 degrees fahrenheit steam
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    125.0 pounds
  • Material
    Iron cast uns f12102 body
  • Material Specification
    Astm b-62 assn standard single material response disk
  • Thread Series Designator
    Npt
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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 4820002873953

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FIG4901 1-2IN Crane Co
FIG7091 1-2IN The Walworth Company
NO. 490 VALVE N.P.S. 1-1/2 IN. Crane Co
FIG490 Crane Co
1640 Lunkenheimer Co
16401 1-2IN Lunkenheimer Co
Stock Check
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