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: Centre contraction;Phenolic(Alumin) backed Seat;Available Lining NBR/EPDM/CSM/FPM or U-TYPE Seat;Available Nylon or PTFE Or Paint Coating Disc;Handlever Or Gear Operator
Technical Paramater: Normal Size: 1-1/2"~48" 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: MSS SP-67, API609, BS5155, BS EN593; Flange: ANSI B16.5,BS 4504, BS 10 D&E JIS 10K;
Installation Instructions:
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