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Failure and maintenance of pneumatic control ball valve accessories
The author: Time:2020/9/16

  氣動(dòng)控制球閥在使用中出現(xiàn)氣路轉(zhuǎn)換故障需按照排查原則,確定故障位置后再進(jìn)行維修??梢怨潭饴忿D(zhuǎn)換部件的內(nèi)六方螺栓松動(dòng),避免造成與氣缸接合處漏氣,需及時(shí)緊固螺栓。與氣缸接合處的“O”形密封環(huán)損壞或者脫落要及時(shí)更換,避免造成泄漏。電磁部分損壞,只有更換新的電磁感應(yīng)器。
  若是氣動(dòng)控制球閥的內(nèi)置彈簧出現(xiàn)不靈敏現(xiàn)象,可能會(huì)使氣路轉(zhuǎn)換部件的活塞運(yùn)行不到位,影響氣動(dòng)球閥開合狀態(tài),此時(shí)要拆解氣路轉(zhuǎn)換部件,將彈簧反復(fù)拉伸疏松或者直接更換。內(nèi)部進(jìn)入雜質(zhì),需要及時(shí)清洗。因此就要求安裝氣缸的方向相反時(shí),球閥通常不會(huì)動(dòng)作,更正安裝方向即可。手動(dòng)插拔銷維修后忘記插入,也會(huì)造成球閥不會(huì)動(dòng)作。過濾減壓閥由于工況環(huán)境原因會(huì)出現(xiàn)老化、腐蝕現(xiàn)象,從而失去作用,這也是故障相對(duì)頻繁發(fā)生的部件,需要經(jīng)常維護(hù),及時(shí)更換相應(yīng)的備件。

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