Fire Hydrant Flow Calculator
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Your name goes here.
Date: The date goes here.
Address of hydrant: Number and address
Static: psi before flowing
Residual: psi while flowing
Pitot: pitot gage reading
Diameter: size of opening tested
This hydrant is flowing: GPM from the test outlet
Projected available hydrant flow: GPM Note 1

Notes 1:
  1. Projected available flows calculated at 20 psi residual, or the static pressure for low pressure hydrants having static pressures of less than 40 psi.