By driving points (1) Electric Butterfly (2) pneumatic valve (3) hydraulic valve (4) manual butterfly form of the structure points: (1) central sealing butterfly valve (2) single eccentric sealing butterfly valve (3) double eccentric sealing butterfly valve (4) three eccentric sealing butterfly valve seal is affected by the temperature of the elastic limit of the defect. The use of relatively broad range of butterfly valves flanged butterfly handle, if used for traffic control, then you need to choose different types and size of the body, because the butterfly in the design itself is more suitable for some relatively large diameter valves. Butterfly not only widely used in the oil, gas, chemical, water treatment and other general industries, but also for the thermal power plant cooling water system. Worm butterfly clamps, Foshan butterfly valve provided by the Hong Kong Ming Ming Port Valve Co., Ltd., Dongguan. Port Valve Co., Ltd., Dongguan Ming (www.gdmgfm.com) strong, credible, butterfly and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the next port of the valve and you hand into the brilliant, for a better future!