NSN 4820-01-025-0342

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-025-0342.

• MPN or Model
  

  20045H91M

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Unit Weight (Est.)
  103 lb
• Flow Control Device
  Disk
• Bonnet Type
  Inside spring
• Bonnet Attachment Method
  Bolted
• Disk Loading Method
  Spring
• Renewable Seat Ring Type
  Threaded
• Bolt Hole Quantity
  8 all ends
• Maximum Operating Temp
  150.0 degrees fahrenheit single response
• End Application
  Marine hardware and hull doors
• Valve Operation Method
  Automatic or manual
• Flange Shape
  Round with holes all ends
• Connection Type
  Flange all ends
• Valve Size
  3.000 inches
• Adjustable Pressure Range
  +54.0/+65.0 pounds per square inch
• Maximum Operating Pressure
  150.0 pounds per square inch single response
• Outside Diameter
  6.625 inches all ends
• Thickness
  0.500 inches all ends
• First Connection Face To Centerline Distance
  5.500 inches
• Bolt Hole Diameter
  0.562 inches all ends
• Second Connection Face To Centerline Distance
  6.000 inches
• Bolt Circle Diameter
  5.500 inches all ends
• Flange Face Design
  Plain all ends
• Material
  Rubber synthetic packing
• Material Specification
  Qq-n-288 federal specification single material response seat
• Media For Which Designed
  Steam single response
• Style Designator
  Err-090
• Nondefinitive Specification/std Data
  C class and a composition and 2 type