The midline wafer soft seal butterfly D71X midline soft seal butterfly clip in linear design, the main structure of its valve by the valve body, the valve seat, the valve stem and drive operating mechanism components, seat detachable structure , and can be based on different physical and chemical properties of the medium, the application of high temperature, low temperature resistance, corrosion resistance, light resistance, anti-aging material. Midline as drainage, sewage, construction, air-conditioning, petroleum, chemical, food, medical industry, textile, papermaking, water, electricity, shipbuilding, metallurgy, energy systems and other fluid line wafer type butterfly valve can be widely applied to the use of regulation and shut-off devices . Range of applications: folder the midline soft sealing butterfly valves are widely used for drainage, sewage, construction, air-conditioning, petroleum, chemical, food, medical industry, textile, papermaking, water, electricity, shipbuilding, metallurgy, energy systems and other structural features: midline folder soft sealing butterfly valve in the linear design has a simple structure, reliable sealing, the bidirectional sealing, valve seat with detachable structure, and can be based on different physical and chemical properties of the medium, for the corresponding high temperature resistance, low temperature resistance, corrosion resistance , light, anti-aging material. Standard specification: the design and manufacture standard: GB / T 12238-2008 structure length standard: GB / T 12221-2005 connection flange standard: GB / T 9113 pressure temperature rating: of GB / T 12224-2005 test test standard: GB / T 13 927 -2008 main dimensions and weight: DN connection Size Dimensions 1.0MPa 1.6MPa 2.5MPa LH H0 AB D0 nd D0 nd D0 nd 50 43 63 235 270 110 110 4-14 125 4-18 125 4-18 65 46 70 250 2701101304-14 1454-181454-18 80 from 4,683,275,270,110,150 4-18 1608-181608-18 10052105316270 110 170 4-18 180 8-18 180 8-18 12556115340310 110 200 8-18 2108-182108-18 15056137376310 110 225 8-18 2408-222408-22 20060164430353 150 280 8-18 295 8-22 29512-2225068 206 499 353 150 335 12-18 350 12-22 355 12-26 300 78 230 570 380 150 395 12-22 400 12-22 410 12-26