NSN 4820-01-079-9011

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-01-079-9011.

• MPN or Model
  

  20028

• Schedule B
  8481.40.0000 (Safety or relief valves)
• NMF (National Motor Freight)
  051080 - Faucets, Bibcocks, Gates Valves
• Unit Weight (Est.)
  0.2 lb
• 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
  100.0 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
  +35.0/+44.0 pounds per square inch
• Maximum Operating Pressure
  275.0 pounds per square inch single response
• Outside Diameter
  3.500 inches all ends
• Face To Face Distance
  3.344 inches
• Thickness
  0.440 inches all ends
• First Connection Face To Centerline Distance
  3.344 inches
• Bolt Hole Diameter
  0.620 inches all ends
• Second Connection Face To Centerline Distance
  3.250 inches
• Bolt Circle Diameter
  2.380 inches all ends
• Flange Face Design
  Raised with curve and radius all ends
• Raised Face Height
  0.180 inches all ends
• Raised Face Diameter
  1.190 inches all ends
• Material
  Steel stem
• Material Specification
  Qq-s-763 federal specification single material response stem
• Media For Which Designed
  Gas, natural single response
• Style Designator
  Err-090