拉桿球座 的英文怎麼說
中文拼音 [lāgǎnqiúzuò]
拉桿球座
英文
drag link ball seat-
The greatest feature of this valve is that the ability to take advantage of pipelines within the medium pressure promote hemisphere, therefore, its sudden opening and closing power is stronger than any other type, with such advantages of no friction, no wearing and long life of use
該閥的最大特點是能藉助管線內的介質壓力推動半球,所以它瞬間啟閉力比任何一類球閥都輕快的多,同時在同步連桿和拉簧的作用下,使兩半球離開閥座密封面,然後再旋轉球體,閥門的啟閉過程中有密封面無磨擦、無磨損、使用壽命長等優點。
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