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NSN 4820-00-640-6570

Flow Switching Valve Block

About this product

1.625 in. Thk;0.875 in. Bolt hole dia;10.625 in. Bolt circle dia;6 in. Nom pipe size accommodated.

Manufacturer part number 1434 for national stock number 4820006406570.

Datasheet

  • Product description

    Gate Valve NSN 4820-00-640-6570.

  • MPN or Model

    1434

  • Schedule B
    8481.80.3010 (Gate type taps, cocks and valves of iron, hand operated)
  • Flange Diameter
    12.500 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
  • Maximum Operating Pressure And Media For Which Designed
    250.0 pounds per square inch steam
  • Stem Type
    Rising
  • Face To Face Distance
    15.875 inches
  • Flange Face Design
    Plain
  • Material
    Iron cast body
  • Material Specification
    Astm a216-61t, cl a and b assn standard single material response 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 4820006406570

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1434 Lunkenheimer Co
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