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072018-03For a single core, the stability of the valve is good when the medium is open, and when the medium is closed, the stability of the valve is poor. Two spool valve seat, flow under the valve is ...
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272018-01The flow characteristics of the electric regulating valve are divided into ideal flow characteristics and working flow characteristics. The flow characteristic provided by a general ...
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052018-01the safety valve on the equipment or pipe should generally be erected. But for setting up safety valve at liquid pipe, heat exchanger or container, when the valve is closed, the place where pressure can be increased due to thermal ...
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112017-10Manual flanged butterfly valve has the advantages of simple structure, less occupied space and light weight. It can be turned on and off in a short period of time just by rotating 90 °. The operation is ...
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112017-10Pneumatic valve is used in the pipeline industry is relatively large major execution units, compressed air as a power source, thereby opening and closing operation of the valve...
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