Reverse Flow: Fire Hydraulics

Reverse Flow is a modern fire hydraulics platform built by firefighters, for firefighters, company officers, instructors, and pump operators who need fast, reliable hydraulic calculations and operational reference tools.

Whether you're operating at the pump panel, teaching a recruit academy, preparing for officer development, or reviewing fireground hydraulics, Reverse Flow keeps the information you need in one place.

Hydraulic Calculators

• Reverse Flow
• Required Pump Discharge Pressure
• Relay Pumping
• Split Lay
• Standpipe Operations
• Apparatus Mounted Calculations

Field Tools

• Pump Charts
• Friction Loss Charts
• Water Shuttle Estimator
• Water Velocity
• Smoothbore Flow
• Nozzle Reaction
• Tank Time
• Hose Coefficient Calculator
• Wye Operations
• Additional field calculators

References

Access manufacturer reference material, fire hydraulics resources, and operational information designed to support training and decision-making on the fireground.

Training Directory

Browse fire service instructors and training organizations specializing in topics including:

• Fire Attack Package Design
• Water Supply
• Standpipe Operations
• Pump Operations
• Leadership
• Officer Development
• And more

Live directory updates are delivered through Reverse Flow without requiring app updates.

Designed for the Fire Service

Reverse Flow is built around real fireground workflows—not spreadsheets.

• Fast inputs
• Clear results
• Department-configurable hose coefficients
• Custom equipment defaults
• Offline hydraulic calculations
• Designed for training, daily operations, and field reference

Reverse Flow continues to evolve through collaboration with firefighters, instructors, and manufacturers to become the leading platform for modern fire hydraulics.