AVR VACUUM RELIEF/AIR INLET VALVES
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 the building.
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Dezurik - AAVR Vacuum Relief Air Inlet Valves | The Valve Company
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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AVR VACUUM RELIEF/AIR INLET VALVES DOWNLOADS
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