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Sprinkler booster pump rating

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ForeverStudent

ForeverStudent

Mechanical
Aug 13, 2010
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Need to specify sprinkler booster pump for one project. Hydraulic calculations show that 75gpm@50PSI will do the job. But in NFPA20 (Centrifugal pump capacities section) there are 50gpm and next capacity is 100gpm. Do I have to comply with this or for booster pump I can choose 75gpm (manufacturers, like ITT Pumps) provide this

Thank you for your feedback
 
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