5-Year Standpipe Flow Testing
NFPA 25 mandates that every standpipe system undergo a full flow test every 5 years. This test confirms that the system can deliver the required gallons per minute (GPM) at the correct pressure from the most remote hose connection, ensuring the water supply and pressure-regulating devices perform as designed during a fire.
what the 5-year flow test entails:
A 5-year flow test is a comprehensive performance check designed to confirm that your standpipe system can provide adequate water flow and pressure under emergency conditions. During the test, our technicians perform the following:
Flow Rate and Pressure Measurement
Water is flowed through the system to confirm it delivers the required rate and pressure at designated hose connections.
Inspection of Components
Valves, hose outlets, pressure regulating devices, and piping are checked to ensure they’re in safe, working condition.
Both non-flowing (static) and flowing (residual) pressures are measured to evaluate performance under real-world demand.
Testing verifies that the water supply feeding the standpipe is sufficient for emergency operation.
Testing of Alarm Devices
If the system includes alarms or supervisory devices, these are tested to ensure proper activation during flow.
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