Air Valves Waste/Sewage Water 900 Series - Double Air Valve Waste Water 1” and 2” PN16

• Ductile iron construction
• All Stainless steel internal parts
• Venting of air/gas during charging of the main
• Inlet of air during vacuum conditions
• Release of entrained air under operating pressure
• Inlet options 2” BSP, 50mm and 80mm PN16
• Outlet option 1” or 2” BSP

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Section 5.5