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NSN 4820-01-525-3653

Flow Switching Valve Block

About this product

12.375 inches flange diameter, outside screw-yoke bonnet type, bolted bonnet attachment method, valve operation method: manual.

Manufacturer part number NB25025-8.0-5085 for national stock number 4820015253653.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-525-3653.

  • MPN or Model

    NB25025-8.0-5085

  • 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
    12.375 inches
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Valve Operation Method
    Manual
  • Connection Type
    Flange, round w/holes
  • Valve Size
    8.000 inches
  • Stem Type
    Rising
  • Face To Face Distance
    9.500 inches
  • Flange Face Design
    Plain
  • Part Name Assigned By Controlling Agency
    Flanged end, b.B., os&y
  • Inlet Relationship With Outlet
    Identical
  • Pressure Class
    250.0 pounds per square inch
  • Material
    Nickel alloy disk
  • Material Specification
    Qq-n-281 federal specification single material response stem
  • Furnished Items And Quantity
    1 handwheel
  • Specification Data
    81349 - mil-v-1189, type 1. Class ii government specification
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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 4820015253653

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NB25025-8.0-5085 Pima Valve, Inc.
NB25025E-8.0-5085 Pima Valve, Inc.
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