⎝⎛星力捕鱼⎞⎠

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Flow meter series
Temperature instrument series
Pressure instrument series
Calibration instrument series
Level instrument series
Digital display instrument series
Transmitter instrument series
Wire and cable series
Bridge instrument cabinet series
Pipe fitting valve series

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Industry Information
Use of DX-three valve group
2011-9-10 15:16:47

     关闭负压阀 ,再 打开平衡阀 ,然后 关闭正压阀 In the normal use of DX-three valve group, first close the negative pressure valve , then open the balance valve , and then close the positive pressure valve . 投用 打开正压阀 关闭平衡阀 打开负压阀 When the operation is stopped , open the positive pressure valve , close the balance valve , and open the negative pressure valve . 有隔离液的情况下 要确保三阀组不能同时打开 ,以 防止隔离液因为差压而跑掉 If there is isolation fluid , make sure that the three valve groups cannot be opened at the same time to prevent the isolation fluid from running away due to the differential pressure .