NSN 4820-00-851-0158

Datasheet

• Product description
  

  Safety Relief Valve NSN 4820-00-851-0158.

• MPN or Model
  

  1123

• Schedule B
  8481.40.0000 (Safety or relief valves)
• Pipe Size Accommodated
  3.000 inches 2nd end
• Thread Direction
  Right-hand 2nd end
• Flow Control Device
  Disk
• Bonnet Type
  Inside spring
• Bonnet Attachment Method
  Bolted
• Disk Loading Method
  Spring
• Bolt Hole Quantity
  8 1st end
• Maximum Operating Temp
  200.0 degrees fahrenheit single response
• Connection Style
  G9 plain, optional en (pipe) 2nd end
• Valve Operation Method
  Automatic
• Flange Shape
  Round with holes 1st end
• Connection Type
  Threaded internal pipe 2nd end
• Features Provided
  Pressure tight outlet side
• Thready Qty Per Inch (tpi)
  8 2nd end
• Adjustable Pressure Range
  +10.0/+300.0 pounds per square inch
• Maximum Operating Pressure
  300.0 pounds per square inch single response
• Thread Size
  3.000 inches 2nd end
• Opening Pressure Setting
  23.0 pounds per square inch
• Outside Diameter
  8.000 inches 1st end
• Bolt Hole Diameter
  0.750 inches 1st end
• Bolt Circle Diameter
  6.625 inches 1st end
• Flange Face Design
  Raised straight 1st end
• Raised Face Height
  0.062 inches 1st end
• Raised Face Diameter
  4.250 inches 1st end
• Material
  Iron cast body
• Style Designator
  Err-090
• Thread Series Designator
  Npt 2nd end
• Reference Number Differentiating Characteristics
  As differentiated by opening size, thd and pipe size, and opening pressure setting