NSN 4820-00-540-0344

Datasheet

• Product description
  

  Fluid Pressure Regulating Valve NSN 4820-00-540-0344.

• MPN or Model
  

  NAP781

• Schedule B
  8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level)
• NMF (National Motor Freight)
  127220 - Pressure Reg/red/relief Valves NOI
• Body Material
  Steel
• First End Flange Outside Diameter
  4.625 inches
• Body Style
  Straight thru
• Stem Material
  Steel, corrosion resisting
• Media For Which Designed
  Steam
• First End Connection Type
  Raised face flange
• First End Style Designator
  Raised
• First End Flange Shape Style
  Round w/ bolt holes
• First End Bolt Hole Quantity
  4
• First End Bolt Hole Diameter
  0.688 inches
• First End Bolt Circle Diameter
  3.250 inches
• Second End Relationship With First End
  Identical
• Seat Material
  Cobalt alloy
• Face To Face Distance
  8.500 inches
• Flow Control Device Material
  Cobalt alloy
• End Connection Quantity
  2
• Outlet Pressure Range
  +25.0 to 550.0 pounds per square inch
• Regulation Type
  Manual single stage
• Valve Stem Design
  Single seat
• Valve Loading Method
  Dome
• Remote Actuation Method
  Diaphragm
• Maximum Inlet Pressure Rating
  600.0 pounds per square inch
• Outlet Pressure Accuracy Rating
  Not rated
• Filter
  Not included
• Tempurature Rating
  875.0 degrees fahrenheit