DIAPHRAGM, A flexible part for operating a valve mechanism by pressure.

隔膜， 用气压或液压操作的活门机构中的柔性部件。

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The structure, operating principle and manufacturing process of double diaphragm direct acting gas regulator are introduced.

介绍了双薄膜直接作用式燃气调压器的结构、工作原理及制造工艺。

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Operating Principle: The diaphragm valve is a handwheel-operated valve, utilizing a two-piece stem separated by non perforated diaphragms. These diaphragms prevent leakage along the valve stem .

运转原理：膜板阀是一种手轮型阀门，它采用两个由非穿孔横膈膜隔开的阀杆。这些横膈膜防止了沿着阀杆的泄漏。

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