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NSN 4820-00-198-0867

Flow Switching Valve Block

About this product

0.750 in. Thk;0.750 in. Bolt hole dia;6.000 in. Bolt circle dia;flange raised face ht 0.062 in.;flange raised face dia 5.000 in.;thded fastener mtg.

Manufacturer part number 1751B6 for national stock number 4820001980867.

Datasheet

  • Product description

    Gate Valve NSN 4820-00-198-0867.

  • MPN or Model

    1751B6

  • Schedule B
    8481.80.3055 (Gate type taps, cocks and valves of steel, hand operated)
  • Flange Diameter
    7.500 inches
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Bolt Hole Quantity
    4
  • Valve Operation Method
    Manual
  • Connection Type
    Flange, round w/holes
  • Features Provided
    Bonnet packing
  • Maximum Operating Pressure And Media For Which Designed
    150.0 pounds per square inch steam
  • Stem Type
    Rising
  • Maximum Operating Tempurature And Media For Which Designed
    500.0 degrees fahrenheit steam
  • Face To Face Distance
    8.000 inches
  • Flange Face Design
    Raised
  • Material
    Steel disk
  • Material Specification
    Astm a216, gr wcb 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 4820001980867

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1751B6 Lunkenheimer Co
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