Wafer Butterfly Valve

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Butterfly Swing Check Valve Our product-Wafer type butterfly check valve consist of valve body,disk,valve rod,spring and other parts, adapted wafer connection. Due to disk’s short closing stroke,and spring equipped,it can reduce water hammer effectively.This valve is mainly suitable for water supply and drain pipeline of urban, industry and high-rise building . Because of shorter structural length than average check valve,it is well suited to limited space.it is used to prevent reverse flow of medium in puring pipeline, industry, environmental protection, water treatment and high-rise building’s water supply and drainage. Benefits and Features: 1, Wafer type butterfly check valve is small volume, light weight, compact structure, convenient maintenance 2, the valve plate use dual type which can be closed automatically for its spring of the elastic force moment 3, It can prevent the backflow of medium for its for quick closing function 4, body structure length is short, and also has good rigidity 5, It is safe and convenient, and can be used for both horizontal and vertical installation. Standards: 1, flange connection dimension: GB/T1724.1-98, ANSI 150/250/300 lbs, BS PN10, JIS 10K are also available upon request. 2, structural length: GB/T12221-1989, ISO5752-82.Performance Data: Mode Working pressure(M Pa) Applicable temperature (℃) Applicable medium Valve material H76H-10C~40 1.0~4.0 -29~425 Water,steam,oil Carbon steel H76W-10P~25 1.0~2.5 ≤150 nitrose Stainless steel H76Y-40P 4.0 ≤150 nitrose Stainless steel Components/Material: Name of parts body disk Valve rod spring Valve seat Material Cast iron,cast steel Carbon steel stainless steel stainless steel Nitrile rubber Technical Parameters: Nominable pressure PN(M Pa) Strength testing pressure(M Pa) Seal testing pressure(M Pa) Appliable temperature Appliable medium 1.0 1.5 1.1 ≤80℃ clean water sewage 1.6 2.4 1.76 Data sheet: Nominal diameter DN(mm) L(mm) H(mm) D(mm) 1.0MPa 1.6MPa 50 43 60 105 105 65 46 73 124 124 80 64 89 142 142 100 64 110 162 162 125 70 141 192 192 150 76 168 218 218 200 89 219 272 273 250 114 273 328 328 300 114 324 378 384 350 127 356 438 444 400 140 418 489 495 450 152 457 540 555 500 152 526 594 616 600 178 626 695 734


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