What is the additional pressure required for Gated Wye's and Siamese appliances?

When operating with Gated Wyes and Siamese appliances in fire suppression, understanding the additional pressure required is crucial for ensuring effective water flow. The standard practice for determining the additional pressure needed when using these appliances is to add 10 psi.

This additional pressure accounts for the friction loss and the strategic split of the water flow as it travels through multiple outlets. Gated Wyes and Siamese appliances are designed to manage and distribute large volumes of water efficiently, but they also introduce specific pressure losses due to their design and the need to maintain adequate flow rates through the system.

Recognizing that each configuration may face different hydraulic considerations, the industry-standard practice is to add 10 psi to ensure that the pressure in the system remains above the required levels for effective firefighting operations.

This knowledge is important for firefighters and engineers to create effective and safe strategies for water delivery during firefighting efforts and highlights the importance of understanding hydraulic principles in firefighting operations.