氣動不銹鋼球(qiu)閥(fa)(fa)(fa)Q641FHYW型(xing)號只需要用(yong)(yong)(yong)旋轉(zhuan)90度的操作(zuo)和很小的轉(zhuan)動力矩就能(neng)關閉嚴密。*平等的閥(fa)(fa)(fa)體內腔為介質(zhi)提供(gong)了(le)阻力很小、直通(tong)(tong)的流(liu)道(dao)。通(tong)(tong)常認為球(qiu)閥(fa)(fa)(fa)z適宜直接做開閉使(shi)用(yong)(yong)(yong),但近來的發展已將球(qiu)閥(fa)(fa)(fa)設(she)計成(cheng)使(shi)它具有節流(liu)和控制流(liu)量之用(yong)(yong)(yong)。球(qiu)閥(fa)(fa)(fa)的主要特點(dian)是(shi)本身結構緊湊,易于(yu)操作(zuo)和維(wei)修,適用(yong)(yong)(yong)于(yu)水、溶(rong)劑(ji)、酸和天(tian)然氣等一般工作(zuo)介質(zhi),而且還(huan)適用(yong)(yong)(yong)于(yu)工作(zuo)條件(jian)惡劣的介質(zhi),如氧(yang)氣過氧(yang)化(hua)氫,甲烷和乙烯等。球(qiu)閥(fa)(fa)(fa)閥(fa)(fa)(fa)體可以是(shi)整體
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