NSN 4820-01-440-7749

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-440-7749.

• MPN or Model
  

  CASNN03SJJ

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Unit Weight (Est.)
  300 lb
• Flow Control Device
  Disk
• Disk Loading Method
  Spring
• Bolt Hole Quantity
  4 all ends
• Maximum Operating Temp
  500.0 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
  2.500 inches
• Adjustable Pressure Range
  +15.0/+19.0 pounds per square inch
• Maximum Operating Pressure
  225.0 pounds per square inch single response
• Outside Diameter
  7.000 inches all ends
• Thickness
  0.875 inches all ends
• First Connection Face To Centerline Distance
  5.500 inches
• Bolt Hole Diameter
  0.750 inches all ends
• Second Connection Face To Centerline Distance
  5.500 inches
• Bolt Circle Diameter
  5.500 inches all ends
• Flange Face Design
  Raised straight all ends
• Raised Face Height
  0.062 inches all ends
• Raised Face Diameter
  4.120 inches all ends
• Part Name Assigned By Controlling Agency
  2 1/2in relief valve, type 2741-t
• Material
  Steel uns j92600 seat
• Material Specification
  Astm a582, comp 303 assn standard single material response stem
• Style Designator
  Err-090