Centrifugal pump sealed with nitrogen
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How do you start and stop a nitrogen-sealed centrifugal pump?
Master, you should ask what model the seal is. :)
Before starting the pump, check whether the dry gas seal is in operation; then start the pump following the standard procedure
I don’t know the model; it’s a nitrogen seal for a centrifugal pump
For scheme 74, nitrogen needs to be introduced first; the pump for scheme 72 in series should be filled first.