Fire Hydrant Flow Chart

Fire Hydrant Flow Chart – The flow rate in litres per minute drawn from the water distribution system by the fire service to extinguish a fire. Download the pdf file with flow. The hydrant flow test calculator measures the rated capacity at 20 psi of a fire hydrant. The undefined term hydrant flow testing is often used to describe a test conducted to determine hydrant flow performance.

Click gpm for gallons per minute or lpm for liters per minute. This app provides a n^1.85 logarithmic graph based on nfpa 291 recommendations. One hydrant, designated the residual hydrant, is chosen to be the hydrant where the normal static pressure will be observed with the other hydrants in the group closed, and. Download your device’s flow chart by selecting the corresponding link.

Fire Hydrant Flow Chart

Here is a list of what each fire hydrant color represents: Edit any field and the rest will update automatically. My experience with hydrant flow tests.

Learn how to adjust the measured pitot pressure for different discharge coefficients when flow comes out of a fire hydrant. Use the tab key to navigate and update the calculation, and see. The rated capacity calculation is useful in.

Enter data for up to 3 hydrants as you conduct your flow test. Flow test chart calculator smooth radius sharp square raised pressure f l o w i n g p m b y p i p e s i z e chart values have been rounded to. Record your pressure and fire hydrant flow data directly on a smartphone and our fire hydrant flow test software will calculate the distance between your.

Calculate the flow rate of a fire hydrant based on static, residual and pitot pressure, diameter and outlet size.

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