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紧密可靠。它有两个密封面，而且目前球阀的密封面材料广泛使用各种塑料，密封性好，能实现完全密封。在真空系统中也已广泛使用。4．高压球阀操作方便，开闭迅速，从全开到全关只要旋转90°，便于远距离的控制。5．高压球阀维修方便，球阀结构简单，密封圈一般都是活动的，拆卸更换都比较方便。6．高压球阀在全开或全闭时，球体和阀座的密封面与介质隔离，介质通过时，不会引起阀门密封面的侵蚀。国内生产球阀的厂家比较多，连接尺寸也大多不统一，具体情况还是找力典阀业的技术人员了解情况。排泥电磁阀的日常使用在日常生产生活中，电磁阀高压系统无处不见。我们在系统中使用电磁阀，一般阀门产

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