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选择闸阀应当依照哪些原则?

发布时间:2019-11-29 15:48     来源:行业新闻

选用闸阀应遵循的原则:应是管道切断用阀门的选择;几乎不受温度和压力的限制,但对于大口径(例如DN1000mm以上)、中低压场合(Class300及以下),不如选用蝶阀经济,而且蝶阀重量轻,占用空间小;阀门的开启高度与流通面积成非线性比例关系,一般只适用于全开或全闭的场合,不宜作调节使用。

闸阀

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