NSN 4820-00-430-1723 Flow Switching Valve Block

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4820-00-430-1723

About this product

1.188 in. Thk;1.000 in. Bolt hole dia;14.250 in. Bolt circle dia;10 in. Nom pipe size accommodated.

Manufacturer part number 1781 for national stock number 4820004301723.

Datasheet

Product description

Gate Valve NSN 4820-00-430-1723.
MPN or Model

1781
Schedule B
8481.80.3010 (Gate type taps, cocks and valves of iron, hand operated)
Flange Diameter
16.000 inches
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
12
Valve Operation Method
Manual
Connection Type
Flange, round w/holes
Features Provided
Bonnet packing
Maximum Operating Pressure And Media For Which Designed
125.0 pounds per square inch steam and 200.0 pounds per square inch water-oil-gas
Stem Type
Rising
Face To Face Distance
16.000 inches
Flange Face Design
Plain
Material
Iron 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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Manufacturer Part Numbers and Alternates

MPN manufacturer part number	Registrant or Supplier
1781	William Powell Company The

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