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Less Efficiency Fire Pump in when it run with 150%

Question asked by Md Kamrul Hasan Chowdhury on Aug 26, 2020
Latest reply on Sep 1, 2020 by abircueteee09

I have tested my ul listed diesel fire pump which is rated at 100% flow :pressure 152 psi  and at 150% flow: pressure 135 psi.  But during my testing i got 152 psi when it run with 100% flow. But at 150%, the pressure i got, was 125 psi. My question is it acceptable because the pressure is within 65% of rated pressure.????


Thanks in advance.