If you require the use of flow control valve as the main choice is the right size and type of valve. Butterfly structure principle is particularly suitable for the production of large diameter valves. There are common butterfly clip-on butterfly valves and flanged butterfly two kinds. Wafer type butterfly valve with stud connection between two pipe flanges, flanged butterfly valve is a valve with a flange on a valve, the valve with bolts used on both ends of the flanged pipe flange process Butterfly is reciprocating rotary disc hoist about 90 ° to open, close or adjust a valve medium flow. Butterfly not only simple in structure, small size, light weight, material consumption province, small installation size, small drive torque, easy operation, fast cast steel valves, and also can have both good flow regulation and close the valve sealing characteristics price is Over the last decade, one of the fastest breed valve development. Butterfly valve is widely used. Variety and quantity of its use continues to expand, and to high temperature, high pressure, large-diameter, high tightness, long life, excellent regulation characteristics, as well as the development of a multifunctional valve. Its reliability and other performance indicators have reached a high level. Qingyuan valve stainless steel valves _ _ Ming Ming Port valve provided by the 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!