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NSN 4820-01-020-1759

Flow Switching Valve Block

About this product

1st end pipe size 1.000 in..

Manufacturer part number 1644-1 for national stock number 4820010201759.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-020-1759.

  • MPN or Model

    1644-1

  • Schedule B
    8481.80.3010 (Gate type taps, cocks and valves of iron, hand operated)
  • Connection Type
    Threaded external pipe
  • 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
  • Material
    Iron cast body
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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 4820010201759

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1644-1 Lunkenheimer Co
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