• Details

• Features:
  1) DN25-DN400
  2) When medium passes valve forward, the disc opens under pressure of the medium
  3) Disc closes by a spring when the medium passes valve backward
  4) Closes to an 80° angle
  5) Disc closes slowly until fully closed so to eliminate noise and water pressure
  6) Suitable for petroleum, chemicals, food, medicine, water supply and drainage, and energy systems

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