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原文： 
大多数隔膜阀的损坏并不是因为生产过程中的使用，相反，是因为机械的挤压作用而损坏。虽然隔膜阀的隔膜有着不同的弹性等级、有不同涂层、和不同的PTFE护板，但是，对于所有的隔膜阀都有从外部看不见的磨损（由内部介质引起的表面腐蚀和微粒附着）。因此，为了避免无菌流程生产因隔膜阀的损坏而被迫停产，在实践中通常是在规定的使用寿命期前更换隔膜。这样一来，无论是强制更换的隔膜数量，还是由此而产生维修费用，或者设备的停机时间，都比PTFE波纹管阀明显要多，而波纹管阀的另一个优点是：几乎可用于各种流程生产过程。

“With pneumatic drive bellows globe valve of Vesta”是由中国隔膜阀网提供的阀门行业新闻，译文仅供参考。另外，中国隔膜阀网还提供相关 产品搜索： 直通(流)式隔膜阀、 气动隔膜阀、 电动隔膜阀、 手动隔膜阀、 卫生级隔膜阀 等。

译文：
With pneumatic drive bellows globe valve of Vesta Most of the damage to the diaphragm is not used because the production process, on the contrary, because of mechanical compression and damage. Although the diaphragm of the diaphragm have different levels of flexibility, with different coatings, PTFE retaining plate and different, but for all of the diaphragm are invisible from the outside wear (caused by the internal surface corrosion and dielectric particles attached) . Therefore, in order to avoid the production process because of aseptic diaphragm valve damage and was forced to stop production, in practice, usually the life of the prescribed period before the replacement of the diaphragm. As a result, both the number of mandatory replacement of the diaphragm, or the resulting maintenance costs, or equipment downtime, than PTFE bellows valve is significantly more, while the bellows valve is another advantage: for almost all kinds of production processes.

更多新闻：

• 隔膜阀如何安装维护？
• 隔离阀在真空系统中的作用
• 关于导热油系统阀门的选择

原文来源：http://www.1gemofa.com/

2012-01-18 08:45

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