• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Non Slam Check Valve Potable Water

Non slam check valve is the ones that are having a controlled closing of the flaps. These are attained using a hydraulic cylinder or air cushion or any other means to have a non-slam closing of the doors. Non Slam Check Valve closing characteristic is achieved by utilizing a “Short Disc Stroke” and most of the non-slam valves have a reduced degree of opening and closing of the flaps or an angled seat.These have a longer life than the conventional swing type check valves used.


  • Valves for working pressure between 0,1 – 16 bar
  • Designed according to BS / AWWA standards
  • Controlled Closing
  • Optional closing assistance such as hydraulic cylinder, oil dashpot, air cushion etc.
  • Compact and robust design
  • Flanged Connection
  • Non-clog design minimizes clogging

Material Specification

Body, Cover Ductile Iron /Cast Iron
Seat(s) Stainless Steel / Gunmetal / Rubber
Hinge Pins Stainless Steel
Internal, External Bolts, Nuts Stainless Steel / Galvanized Steel
Sizes DN50 – DN1000
Pressure Rating PN10/16/25
Hydraulic Test 1.1xPN for Seat & 1.5xPN for Body
Coating Nontoxic Epoxy Internally & Externally