differential_stop_check_valve

1.To introduce the structure, performance and design of the differential stop check valve.
介绍了差压式截止止回阀的结构、性能和设计要点。
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2.To introduce the structure, performance and design of the differential stop check valve. It has the features of novel design, small moment in operation and seal reliability.
介绍了差压式截止止回阀的结构、性能和设计要点。该阀操作力矩小，密封可靠，运行平稳。
dict.yoduao.com