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Cryogenic liquid storage tank process procedures
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Cryogenic liquid storage tank process procedures

3 process procedures   3.1 Vacuuming   3.1.1 Start the vacuum pump, slowly open the vacuum valve, start vacuuming, and record the start date and time of vacuuming and the ambient temperat...
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3 process procedures

 

3.1 Vacuuming

 

3.1.1 Start the vacuum pump, slowly open the vacuum valve, start vacuuming, and record the start date and time of vacuuming and the ambient temperature. D (dynamic) or J (static) should be added before the vacuum degree data.

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