What is the flow rate (GPM) and nozzle pressure (NP) for a 2 1/4" master stream tip?

The flow rate of 1250 GPM at a nozzle pressure of 80 psi is consistent with standard data for a 2 1/4" master stream tip. Understanding the context of these specifications is crucial for effective firefighting operations.

In fire service, the flow rate is vital for adequately suppressing a fire, especially when handling larger master streams designed to deliver high volumes of water. The choice of 1250 GPM reflects the nozzle's capacity to provide substantial water flow, which is beneficial in combating larger fires, where a significant volume of water is necessary to extinguish flames and cool the surrounding environment.

The nozzle pressure of 80 psi is also an optimal setting that balances performance and control. Higher pressures could potentially produce more flow, but they also increase the risk of losing control of the stream or causing excessive wear on equipment. In training and operations, adhering to the correct parameters is essential for ensuring the safety and effectiveness of fire suppression efforts, allowing firefighters to maintain a strong and directed water flow on target areas.

Selecting this combination demonstrates an understanding of the relationships between nozzle size, pressure, and flow, which are critical for ensuring efficiency and safety in fireground operations.