• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Wafer Check Valve Sewage


The main difference between standard swing check valves and wafer check valve is that the wafer types do not have the full-bodied arrangement. When the valve opens, the disc is forced into the top of the pipeline. Due to a very short face-to-face dimension the body has a reduced bore. Swing type wafer check valve is virtually maintenance free, the disc is self-centering and protected and it has a special limit stop to protect against sewage pipeline damage.

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  • Small and simple design.
  • Minimal wear on moving parts
  • Light Weight
  • Reduced Bore
  • Body : Ductile Iron / Cast Iron
  • Cover : Ductile Iron / Cast Iron
  • Flaps : Ductile Iron /
  • Internal, external bolts, nuts : Stainless Steel / Galvanized Steel
  • Sizes : DN 40 – DN 600
  • Pressure rating : PN10/16/25
  • Hydraulic Test : 1.1xPN for Seat & 1.5xPN for Body
  • Coating : Nontoxic Epoxy Internally & Externally