NSN 4820-01-125-9747

Datasheet

• Product description
  

  Check Valve NSN 4820-01-125-9747.

• MPN or Model
  

  NS3981ASSYB

• Schedule B
  8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
• NMF (National Motor Freight)
  050855 - Cocks R Valves Etc Bbc
• Unit Weight (Est.)
  85 lb
• Flow Control Device
  Disk
• Bolt Hole Quantity
  8 all ends
• Maximum Operating Temp
  150.0 degrees fahrenheit single response
• Valve Operation Method
  Automatic
• Flange Shape
  Round with holes all ends
• Connection Type
  Flange all ends
• Mounting Position
  Horizontal
• Valve Size
  3.000 inches
• Maximum Operating Pressure
  1050.0 pounds per square inch single response
• Outside Diameter
  7.438 inches all ends
• Face To Face Distance
  11.750 inches
• Thickness
  1.062 inches all ends
• Bolt Hole Diameter
  0.687 inches all ends
• Bolt Circle Diameter
  5.938 inches all ends
• Flange Face Design
  Plain all ends
• Material
  Copper alloy 903
• Material Specification
  Qq-c-390, alloy d5/d federal specification single material response
• Media For Which Designed
  Water-oil-gas single response
• Style Designator
  Straight through flanged ends