If a vacuum line much smaller than the flange diameter of the turbopump (DN 100 (100 mm)) is used, the effective pumping speed will decrease. A DN 25 (25 mm) vacuum line will result in only around 7.4 ...
Correctly executed impeller vane tipping is critical to boiler feedwater pump performance and reliability, and to avoid problems, pump buyers and users should be aware of this subtle pump quality ...
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