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

Description

A ball type check valve is a check valve in which the closing member, the movable part to block the flow, is a ball. In some ball type check valve, the ball is spring-loaded to help keep it shut. For those designs without a spring, reverse flow is required to move the ball toward the seat and create a seal. The interior surface of the main seats of ball check valves are more or less conically-tapered to guide the ball into the seat and form a positive seal when stopping sewage reverse flow.

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  • Small and simple design and hence Cheaper.
  • Minimal wear on moving parts
  • Light Weight
  • Body : Ductile Iron /Cast Iron
  • Cover : Ductile Iron /Cast Iron
  • Ball : Aluminum with EPDM or Ductile Iron with EPDM
  • 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