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NSN 4820-01-444-1004

Flow Switching Valve Block

About this product

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

Manufacturer part number F639-31 4IN for national stock number 4820014441004.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-444-1004.

  • MPN or Model

    F639-31 4IN

  • Schedule B
    8481.80.3010 (Gate type taps, cocks and valves of iron, hand operated)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    9.000 inches
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Bolted
  • Bolt Hole Quantity
    8
  • End Application
    Usns stalwart class tagos
  • Valve Operation Method
    Manual
  • Connection Type
    Flange, round w/holes
  • Valve Size
    4.000 inches
  • Maximum Operating Pressure And Media For Which Designed
    250.0 pounds per square inch water-oil-gas
  • Stem Type
    Nonrising
  • Maximum Operating Tempurature And Media For Which Designed
    550.0 degrees fahrenheit water-oil-gas
  • Face To Face Distance
    9.000 inches
  • Flange Face Design
    Raised
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    150.0 pounds per square inch
  • Material
    Iron body
  • Material Specification
    Astm b61 assn standard single material response seat
  • Furnished Items And Quantity
    1 handwheel
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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 4820014441004

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
F639-31 4IN Nibco Inc
F639-31 4IN Northern Indiana Business Services
F639-31 4IN Nibco Inc
P/N F639-31 4IN Nibco Inc.
F639-31 4IN Nibco Inc
F639-31 4IN Northern Indiana Business Services
F639-31 4IN Nibco Inc
P/N F639-31 4IN Nibco Inc.
F639-31 4IN Nibco Inc
F639-31 4IN Northern Indiana Business Services
Stock Check
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