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  • Pneumatic flange Type soft seal butterfly valve

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    It is not only suitable for medium and low pressure, but also for high pressure. For example, steam cast steel check values, especially bellows check values, are used in projects involving water, oil, steam, gas and other media. Since they are so widely used, this article analyzes its working principle in detail to help users understand and application.

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    Many industries require more and more valves. If double eccentric butterfly valve are required to withstand high temperature, hard seal must be used, but the leakage of hard seal butterfly valves is large; If the valve is required to leak zero, the valve must be soft sealed, but the soft seal butterfly valve is not resistant to high temperature.

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