Combined Air Vacuum & Release Valve
AV4F3F/AV3F2F
Application Range
• Main transmission lines or Pump suction line
• Water treatment and distribution networks
• Irrigation system
• In general this model is used on changes in slope and at the high points of the pipeline.
Other Specification
• Automatic · Full bore design
• Medium: Water
• Max. pressure 40 bar
• Min. pressure 0.2 bar. Lower on request·
• DN50 - 300 for Ductile Iron
• DN50 - 200 for Stainless Steel (CF8 / CF8M / Duplex)
Features
. Single chamber with a golden ratio design to generate fantastic outline
. Full bore and reduced bore body in ductile iron and stainless steel, maximum PN 40 bar rated, provided with internal ribs for accurate guiding of the floats.
. Aerodynamic flow path of air discharge, air release and air entrance
. Tangential drainage to ensure fully drain
. Composed of cylindrical floats achieve miscellaneous functions
. Replacement between three floats and two floats can be easily performed from the top.
. Stainless steel plate under the bottom float to eliminate surged flow impact to the floats in short time.
. Nozzle can be different port size to fit for demands of different valve models
. Flat venting screen in stainless steel as a standard to prevent the entrance of insects, while umbrella venting screen as a premium.
Material Specification
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