Pump Discharge Pressure

Formula and source

PDP = NP + FL + EL + AFL where NP is nozzle pressure, FL is hose friction, EL is elevation pressure (0.434 psi/ft), AFL is appliance friction.

NFA training materials by name; IFSTA Pumping Apparatus Driver/Operator Handbook by name.

Audience

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Related tools

• Fire Hose Friction Loss
• Hydrant Flow
• Required Fire Flow
• Master Stream Reach

Posture

Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.