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How to choose high quality butterfly valve

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A lot of friends in the process of selecting  butterfly valve  have such and such questions, why the supplier offer is very different, what is the reason for the difference in price? Sealing is the only test, can achieve the perfect tightness, depending on the valve material, processing technology, design process and the use of the working conditions.Three eccentric bidirectional metal hard seal butterfly valve sealing material and seal leakage grade are the index parameters to identify the valve, the valve is not good or bad, special working conditions can be used for a long time may not be used long problems, so can not be judged by good or bad, to use comprehensive working conditions. Butterfly valve: butterfly valve opening and closing parts are a disc shaped disc, in the body around its own axis rotation, so as to achieve the opening and closing or adjustment of the valve.Butterfly valve full open to full close is usually less than 90 degrees, butterfly valve and butterfl...
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Where are ball valves used

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Ball valves are widely used.In the two-position adjustment, sealing performance is strict, mud, wear, shrinkage channel, quick opening and closing action (1/4 opening and closing), high pressure cut-off (big pressure difference), low noise, cavitation and gasification phenomenon, a small amount of leakage to the atmosphere, small operating torque, small fluid resistance in the pipeline system, the use of ball valve is recommended. Ball valves are also suitable for light construction, low pressure cut-off (low pressure difference), corrosive media pipeline system. Ball valves can also be used in low temperature (cryogenic) devices and piping systems.In the oxygen piping system of the metallurgical industry, ball valves with strict degreasing treatment shall be used. When the mains of oil and gas pipelines are buried underground, full-size welded ball valves shall be used. When it is required to have regulating performance, it is necessary to choose a v-shaped opening of the special str...
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Choosing Bundor Valve Products Will Save Your Cost Around Usd 10,0000

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Founded in 1994,  Bundor  is an experienced manufacturing and trading combo specialized in the research & development, production and sales of Butterfly valve, gate valve, check valve, globe valve and other valves.  25 years adhering to the principle of manufacturing process of competent valve fittings,the control of valve manufacturing throughout all the production processes, so that " Bundor " has become the world's leading supplier of water system valve. If you are interested in our products, please contact us!  Email:sales@bundor.com
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