NSN 4820-00-288-7295

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-00-288-7295.

• MPN or Model
  

  1250

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Flow Control Device
  Disk
• Bonnet Type
  Inside spring
• Bonnet Attachment Method
  Bolted
• Disk Loading Method
  Spring
• Bolt Hole Quantity
  4 all ends
• Maximum Operating Temp
  425.0 degrees fahrenheit single response
• Valve Operation Method
  Automatic
• Flange Shape
  Round with holes all ends
• Connection Type
  Flange all ends
• Valve Size
  1.000 inches
• Adjustable Pressure Range
  +36.0/+55.0 pounds per square inch
• Maximum Operating Pressure
  125.0 pounds per square inch single response
• Outside Diameter
  4.250 inches all ends
• Thickness
  0.438 inches all ends
• First Connection Face To Centerline Distance
  3.250 inches
• Bolt Hole Diameter
  0.562 inches all ends
• Second Connection Face To Centerline Distance
  3.250 inches
• Bolt Circle Diameter
  3.125 inches all ends
• Flange Face Design
  Plain all ends
• Material
  Nickel alloy flow control device
• Media For Which Designed
  Steam single response
• Style Designator
  Angle flanged ends