• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Sewage Air Valves Sewage

Description

This Sewage Air Valves exhausts large amount of air from the pipeline at pipe filling and allows air to admit while breaks and drainage to avoid vacuum in the pipe. This type of air valve closes when the sewage pipe fills up with water and does not reopen until pressure within the pipeline drops below atmospheric pressure. This valve can be used for clean water and waste water depending upon application.

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  • Body, Cover : Ductile Iron /Cast Iron
  • Float(s) : Stainless Steel
  • Orifice balls : Stainless Steel/ ABS Plastic
  • Internal, external bolts, nuts : Stainless Steel
  • Guides, seat ring, guide ring : ABS Plastic
  • Sizes : DN50 – DN200
  • Pressure rating : PN10/16/25/PN40
  • Hydraulic Test : 1.1xPN for Seat & 1.5xPN for Body
  • Coating : Nontoxic Epoxy Internally & Externally