Valves, Air Relief - Model 200A


Distributed by Conval Equipment Ltd
Brand: Apco Willamette

Air release valve remains open while pressurized, allowing entrained air to escape from water pipeline, pump or reservoir through the air release orifice.

Categories: 
Utility Works | Waterworks | Valves | Air Release
Prequalification Lists: 
Regional Municipality of Durham - 7.95.84.05 - Combination Air Release and Vacuum Break Valves - Non-Vented (PDF)
  • Ontario Provincial Standards
    • OPSS 441 - Watermain Installation in Open Cut
  • ASTM International
    • ASTM A126-04(2014) - Gray Iron Castings for Valves, Flanges, and Pipe Fittings
    • ASTM A240/A240M-14 - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
    • ASTM B584-14 - Copper Alloy Sand Castings for General Applications
  • Other Standards
    • AWWA C512-07 - Air Release, Air/Vacuum, and Combination Air Valves for Waterworks Service