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Tuesday, October 27, 2026
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Bay District Volunteer Fire Department
Fire & EMS Calculator Library › Phase 2: Hose Hydraulics & Pump Operations
Phase 2 · Tool 16 of 77

Parallel Pump Capacity Planner

Sums rated capacity only for pumps that are compatible with the desired discharge pressure, using a simplified approximate derate - not each pump's real curve. No blind capacity summation.

ℹVerify locally before acting. This tool is a planning and arithmetic aid, not a substitute for training, local SOPs, calibrated instruments, or scene assessment. Confirm critical values independently. Suite status: DRAFT - not yet department-approved for operational use.
When you'd use this: Multiple engines pumping into the same main or manifold - for example two or three engines feeding one master stream - figure out the combined usable capacity at the target discharge pressure.

Pumps and Target

Result

Enter at least one pump and press Calculate.

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