Many Chinese valve industry chain, but non-valve power. To see the whole country has entered the ranks of the world's great powers valve, but the quality of products from the point of view of the valve power is still very long gap. Production industry concentration, low-end product development capabilities matched valves, valve industry, the low level of manufacturing technology still exists butterfly models, import and export trade deficit expanded. Can really survive in the market valve business is definitely not there so much. Suitable for flow adjustment valve. Because of the pressure loss in the pipeline butterfly comparison Dafa blue butterfly, butterfly plate should also be considered to withstand rugged medium pressure pipeline shutdown. You must also consider limiting the operating temperature at high temperatures endured elastic seat material. The overall length of the structure and the height of the smaller valve opening and closing speed, and has good flow control characteristics of hard sealing butterfly valve, butterfly valve structure principle most suitable for the production of large diameter valves. When asked to use the butterfly valve to control the flow, the most important is the right size and type of butterfly valves, so that it can be properly and effectively work. _ _ Jiangmen ventilation butterfly butterfly valve out of Hong Kong by Hong Kong Valve Co., Ltd., Dongguan Ming. 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!