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firefighting piping

firefighting piping

firefighting piping

(OP)
NFPA 20 requires pumps to be designed for 150% of duty.
Based upon your experience should the piping be also design for 150% of duty flowrate?

RE: firefighting piping

Yes.

Regards,

schola

RE: firefighting piping

I disagree, the piping should be designed for the 100% - otherwise the system will try to operate at a lower head and greater flow rate. From memory the 150% flow is at 60 or 65% of the design head.  

Phitsanulok
Thailand

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