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NSN 4820-01-249-3641

Flow Switching Valve Block

About this product

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

Manufacturer part number FIG NO B-102-A SIZE 3 1/2 IN for national stock number 4820012493641.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-249-3641.

  • MPN or Model

    FIG NO B-102-A SIZE 3 1/2 IN

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    81.2 lb
  • Flange Diameter
    8.500 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
    3.500 inches
  • Maximum Operating Pressure And Media For Which Designed
    300.0 pounds per square inch steam
  • Stem Type
    Nonrising
  • Maximum Operating Tempurature And Media For Which Designed
    450.0 degrees fahrenheit steam
  • Face To Face Distance
    8.500 inches
  • Flange Face Design
    Plain
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    150.0 pounds
  • Material
    Copper alloy 922 seat or copper alloy 836 seat
  • Material Specification
    Astm b61 assn standard 1st material response seat or astm b61 assn standard 2nd material response seat
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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 4820012493641

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FIG NO B-102-A SIZE 3 1/2 IN Pima Valve, Inc.
ASIB102A1-3.5IN Pima Valve, Inc.
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