NSN 4820-01-228-4260

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-228-4260.

• MPN or Model
  

  NMP-1179-1 158T185PSI

• 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
  Union
• Disk Loading Method
  Spring
• Bolt Hole Quantity
  4 all ends
• Valve Operation Method
  Automatic
• Flange Shape
  Round with holes all ends
• Connection Type
  Flange all ends
• Valve Size
  1.000 inches
• Adjustable Pressure Range
  +158.0 to 185.0 pounds per square inch
• Maximum Operating Pressure
  286.0 pounds per square inch single response
• Outside Diameter
  6.000 inches 2nd end
• Thickness
  0.938 inches all ends
• First Connection Face To Centerline Distance
  4.688 inches
• Bolt Hole Diameter
  0.750 inches 2nd end
• Second Connection Face To Centerline Distance
  4.875 inches
• Bolt Circle Diameter
  4.750 inches 2nd end
• Flange Face Design
  Raised straight all ends
• Raised Face Height
  0.438 inches 1st end
• Raised Face Diameter
  3.375 inches 2nd end
• Material
  Steel uns k03504 body
• Media For Which Designed
  Liquid, ingested single response
• Style Designator
  C1a angle flanged ends