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NSN 4820-01-439-9034

Flow Switching Valve Block

About this product

Parts require special material control quality assurance which support nonmagnetic signature mine sweeper.

Manufacturer part number 12IN NB2502E MOD for national stock number 4820014399034.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-439-9034.

  • MPN or Model

    12IN NB2502E MOD

  • Schedule B
    8481.80.1060 (Gate type taps, cocks and valves of copper, hand operated, having a pressure rating of 850 kpa or over)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flange Diameter
    17.625 inches
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Bolt Hole Quantity
    18
  • End Application
    Strategic sealift conversion ships class
  • Valve Operation Method
    Manual
  • Connection Type
    Flange, round w/holes
  • Valve Size
    12.000 inches
  • Stem Type
    Nonrising
  • Face To Face Distance
    12.500 inches
  • Flange Face Design
    Plain
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    250.0 pounds per square inch
  • Material
    Nickel alloy stem
  • Material Specification
    Qq-n-281 federal specification single material response stem
  • 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 4820014399034

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
12IN NB2502E MOD Pima Valve, Inc.
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