NSN 4820-01-440-7751

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-440-7751.

• MPN or Model
  

  20334DM41M

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  051080 - Faucets, Bibcocks, Gates Valves
• Unit Weight (Est.)
  50 lb
• Flow Control Device
  Disk
• Disk Loading Method
  Spring
• Bolt Hole Quantity
  4 all ends
• Maximum Operating Temp
  150.0 degrees fahrenheit single response
• End Application
  Nimitz class cvn
• Valve Operation Method
  Automatic
• Flange Shape
  Round with holes all ends
• Connection Type
  Flange all ends
• Valve Size
  1.500 inches
• Adjustable Pressure Range
  +20.0/+24.0 pounds per square inch
• Maximum Operating Pressure
  225.0 pounds per square inch single response
• Outside Diameter
  5.000 inches all ends
• Thickness
  0.440 inches all ends
• First Connection Face To Centerline Distance
  4.750 inches
• Bolt Hole Diameter
  0.620 inches all ends
• Second Connection Face To Centerline Distance
  4.750 inches
• Bolt Circle Diameter
  3.875 inches all ends
• Flange Face Design
  Plain all ends
• Part Name Assigned By Controlling Agency
  1 1/2in relief valve, type 1741-t
• Material
  Nickel alloy flow control device
• Material Specification
  Qq-n-288 federal specification single material response seat
• Style Designator
  Err-090