NSN 4820-01-130-8474

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-130-8474.

• MPN or Model
  

  20244J91SS

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Unit Weight (Est.)
  125 lb
• Flow Control Device
  Disk
• Bonnet Type
  Inside spring
• Bonnet Attachment Method
  Bolted
• Disk Loading Method
  Spring
• Maximum Operating Temp
  500.0 degrees fahrenheit single response
• End Application
  Los angeles class ss (688)
• Valve Operation Method
  Automatic
• Flange Shape
  Round all ends
• Connection Type
  Flange all ends
• Valve Size
  3.000 inches
• Adjustable Pressure Range
  +66.0/+76.0 pounds per square inch
• Maximum Operating Pressure
  150.0 pounds per square inch single response
• Outside Diameter
  7.500 inches all ends
• Thickness
  0.688 inches all ends
• First Connection Face To Centerline Distance
  6.375 inches
• Second Connection Face To Centerline Distance
  6.000 inches
• Flange Face Design
  Raised straight all ends
• Raised Face Height
  0.062 inches 1st end
• Raised Face Diameter
  5.000 inches all ends
• Material
  Steel seat
• Material Specification
  Astm a216, grade wcb assn standard single material response body
• Media For Which Designed
  Water-oil-gas single response
• Style Designator
  Err-090