NSN 4820-01-231-2713

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-231-2713.

• MPN or Model
  

  20291N51SS

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  051080 - Faucets, Bibcocks, Gates Valves
• Flow Control Device
  Disk
• Disk Loading Method
  Spring
• Bolt Hole Quantity
  4 all ends
• Maximum Operating Temp
  500.0 degrees fahrenheit single response
• Valve Operation Method
  Automatic
• Flange Shape
  Round with holes all ends
• Connection Type
  Flange all ends
• Valve Size
  0.500 inches
• Adjustable Pressure Range
  +71.0/+79.0 pounds per square inch
• Maximum Operating Pressure
  150.0 pounds per square inch single response
• Outside Diameter
  3.500 inches all ends
• Thickness
  0.438 inches all ends
• First Connection Face To Centerline Distance
  3.250 inches
• Bolt Hole Diameter
  0.625 inches all ends
• Second Connection Face To Centerline Distance
  3.250 inches
• Bolt Circle Diameter
  2.375 inches all ends
• Flange Face Design
  Raised straight all ends
• Raised Face Height
  0.062 inches all ends
• Raised Face Diameter
  1.375 inches all ends
• Material
  Steel uns j03002 body
• Media For Which Designed
  Steam single response
• Style Designator
  Err-090