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NSN 4820-01-078-9915

Flow Switching Valve Block

About this product

12.375 inches flange diameter, outside screw-yoke bonnet type, bolted bonnet attachment method, bolt hole quantity: 10.

Manufacturer part number MIL-V-1189 for national stock number 4820010789915.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-078-9915.

  • MPN or Model

    MIL-V-1189

  • NMF (National Motor Freight)
    050855 - Cocks R Valves Etc Bbc
  • Unit Weight (Est.)
    415 lb
  • Flange Diameter
    12.375 inches
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Bolt Hole Quantity
    10
  • Valve Operation Method
    Manual
  • Connection Type
    Flange, round w/holes
  • Valve Size
    8.000 inches
  • Maximum Operating Pressure And Media For Which Designed
    250.0 pounds per square inch water-oil-gas and 250.0 pounds per square inch water, salt
  • Stem Type
    Rising
  • Maximum Operating Tempurature And Media For Which Designed
    150.0 degrees fahrenheit water-oil-gas and 150.0 degrees fahrenheit water, salt
  • Face To Face Distance
    9.500 inches
  • Flange Face Design
    Plain
  • Inlet Relationship With Outlet
    Identical
  • Material
    Nickel alloy 400 stem
  • Material Specification
    Qq-n-288 federal specification single material response seat
  • Furnished Items And Quantity
    1 handwheel
  • Specification Data
    81349-mil-v-1189 government specification
  • Nondefinitive Specification/std Data
    1 type and 2 class
  • Departure From Cited Document
    Modified to accept a valve actuator
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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 4820010789915

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MIL-V-1189 Military Specifications
ASI-NB-25025-0800 Pima Valve, Inc.
ASI-NB-25025-00008INCH Pima Valve, Inc.
NB-25025-E-8IN MOD Pima Valve, Inc.
Stock Check
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