Select the hazard class and enter the whole number of sprinklers connected to the pipe section.
The tool determines a nominal pipe diameter from sprinkler-count thresholds for the selected hazard class.
Layout, pipe routing, flow, pressure, K-factor and system losses must be assessed separately in the final hydraulic calculation.
Calculated pipe diameter
Copy the inputs, method and result step by step.
The result must be verified by hydraulic calculation. This calculator is provided for information only and must be checked by qualified engineers. The user is responsible for its application.