BURKERT宝德2030系列气动隔膜阀

BURKERT宝德2030系列气动隔膜阀
BURKERT宝德2030系列气动隔膜阀结构特点和作用原理;　　
2.隔膜阀与其它阀门zui大的区别在于：采用无填料函的构造；橡胶隔膜可使流道内的腐蚀性介质与所有驱动部件处于*隔离的状态，从而杜了通常阀门的“跑、冒、滴、漏”等弊端。 　　3.由于隔膜阀的流道平滑，流阻小，故而可获得较大的流量。 　　4.视胶隔膜阀的阀体内腔表面视复有厅供选择的多种橡胶。因此具有的耐腐蚀的特点。 　　5.由于密封件为富有弹性的橡胶隔膜。因此还具有较好的密封性和zui小的关闭力。 　　6.本阀由阀体、阀盖、阀瓣、阀杆、隔膜和其它驱动零件等组成。 　　7.阀门的启闭是依靠旋转手轮而达到的。隔膜阀在阀盖上端标有可窥见阀门处启或闭位置的显示色别，以指示阀门的启闭行程。当顺时针放置手轮时，手轮即下移，阀瓣随之带动隔膜下降使通路截断；反之则阀门即开启，色别随之显露。 　　8.隔膜阀采用标准：按照GB12239的规定，并符合BS5156的要求。
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