The annual flow test is the only way to know your pump still hits its rated curve. Activate runs it on flow meters or pitless test headers and produces the documentation your AHJ and underwriter need.
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NFPA 25 §8 · NFPA 20
Fire Pump Annual Flow Test
The annual flow test for fire pumps at 100% and 150% of rated flow — proving the pump still meets its hydraulic curve.
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