AVR

AVR SPECIFICATIONS

  • Body Material Cast iron, ductile iron, carbon steel, 316 stainless steel
  • Body Styles Series 1500
  • Pressure Rating ASME 125 and 250 class
  • Size Range 3-36” (80-900 mm) 

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FEATURES & BENEFITS

 

FEATURES & BENEFITS

 

Vacuum Relief/Air Inlet Valves are normally closed valves. When the system pressure becomes negative, the valve opens, allowing air into the system to prevent a vacuum from building. When system pressure returns to positive, the Vacuum Relief/Air Inlet Valve closes air tight. Standard Vacuum Relief/Air Inlet Valves are designed to open with a minimal, 1/4 psi pressure differential across the orifice.  Higher or lower relief settings are available to suit the application

 

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