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Personne àcontacter Ms. heather
Taishan, Ningjin, Shandong
Features: 1) DN**-DN**0 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 *0° 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
