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The working mechanism of pneumatic ball valve in natural gas medium
The author: Time:2021/2/23

  气动球阀具有阀体结构紧凑、易于远程控制和操作、开关灵活、密封面与球面无缝配合、不易被介质冲蚀、适用于天然气工作介质的特点。
  气动球阀在天然气工作介质中的作用机理:正常情况下,串联2个常个常闭式控制开关的24 V控制线路闭合,UPS正常向电控制线路闭合,UPS正常向电磁阀供电,电磁阀打开,压缩气体充满执行机构腔体,活塞压缩腔体内弹簧,齿轮联动机构带动阀杆转动,阀门开启。当触发程序的自动控制或者控制开关的手动控制,电磁阀断电关闭,并将执行机构腔体内的气体排出,腔体内弹簧复位,齿轮联动机构带动球阀阀杆转动,阀门关闭。

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