Air Valves Waste/Sewage Water 900 Series - Single Large Orifice Air Vent and Vacuum Valve Standard

• Ductile iron construction
• All Stainless steel internal parts
• Release of air/gas during charging of the main
• Inlet of air during vacuum conditions
• Fig 935 up to 16 bar
• Fig 939 up to 5 bar
• Installation must be vertical with isolation valve fitted

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Section 5.2