NSN 4820-00-405-1691

Datasheet

• Product description
  

  Fluid Pressure Regulating Valve NSN 4820-00-405-1691.

• MPN or Model
  

  655A

• Schedule B
  8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level)
• Body Material
  Iron, cast, astm a126-61t, class b
• First End Flange Outside Diameter
  6.500 inches
• Body Style
  Straight thru
• Stem Material
  Steel, corrosion resisting
• Media For Which Designed
  Steam and water, oil or gas
• First End Connection Type
  Raised face flange
• First End Style Designator
  Raised
• First End Raised Face Height
  0.062 inches
• First End Raised Face Diameter
  4.188 inches
• First End Flange Shape Style
  Round w/ bolt holes
• First End Flange Thickness
  0.813 inches
• First End Bolt Hole Quantity
  4
• First End Bolt Hole Diameter
  0.750 inches
• First End Bolt Circle Diameter
  5.000 inches
• Second End Relationship With First End
  Identical
• Seat Material
  Steel, federal standard 66, aisi 316/sae 30316
• Face To Face Distance
  10.500 inches
• Packing Material
  Plastic, tetrafluoroethylene
• Flow Control Device
  Disk, plug type
• Flow Control Device Material
  Steel, corrosion resisting
• End Connection Quantity
  2
• Renewable Seat Ring Type
  Threaded
• Regulation Type
  Automatic single stage
• Valve Stem Design
  Double seat
• Valve Loading Method
  Spring
• Remote Actuation Method
  Diaphragm
• Maximum Inlet Pressure Rating
  250.0 pounds per square inch
• Outlet Pressure Setting
  135.0 pounds per square inch
• Filter
  Not included