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blowdown Line Sizing

blowdown Line Sizing

blowdown Line Sizing

(OP)
What is the criteria for sizing inlet and outlet blow down lines on process equipment. I think the RO size has to be restricted to 0.2 beta ratio, but what about the mach number.

RE: blowdown Line Sizing

Obviously lower the better, but you'll be in critical flow so I would restrict to mach 0.7. Beta size can be whatever you need for the proper time and flowrate given your initial DP.

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