Working Principle: 1\ Round disc is used as mechanism for opening and closing, and it rotates together with the stem to open, close and adjust fluid.
Specifiction: Double Eccentric contraction;Welding Stainless Steel or Brass Seat ;Available Inlaid U-type Stainless Steel;Available Nylon or PTFE Or Paint Coating Disc;Gear Operator
Technical Paramater: Normal Size: 4"~72" Pressure Rate: Class125, BS PN10/16, DIN PN10/16; Working Temperature: 0℃~80℃ Working Medium: Water
Design: AWWA C509,MSS SP-67, API609, BS5155, BS EN593; Manufacture: Factory STD; Face To Face: DIN 3202-K3,DIN3202-F4; Flange: ANSI B16.5,BS 4504, BS 10 D&E JIS 10K;
Installation Instructions:
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