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NSN 4820-01-325-8251

Flow Switching Valve Block

About this product

9.000 inches flange diameter, outside screw-yoke bonnet type, bolted bonnet attachment method, bolt hole quantity: 8.

Manufacturer part number 142 4IN for national stock number 4820013258251.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-325-8251.

  • MPN or Model

    142 4IN

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    9.000 inches
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Bolt Hole Quantity
    8
  • Valve Operation Method
    Manual
  • Connection Type
    Flange, round w/holes
  • Features Provided
    Bonnet packing
  • Valve Size
    4.000 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
  • Stem Type
    Rising
  • Maximum Operating Tempurature And Media For Which Designed
    406.0 degrees fahrenheit steam and 150.0 degrees fahrenheit water-oil-gas
  • Face To Face Distance
    9.000 inches
  • Flange Face Design
    Plain
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    150.0 pounds
  • Material
    Copper alloy body
  • Material Specification
    Astm b21 assn standard single material response stem
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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 4820013258251

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
142 4IN William E Williams, Valve Corp
7996 4IN William E Williams, Valve Corp
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