Water Flow Test Calculator

With this diameter velocity and flow rate calculator you can determine the exact flow rate or velocity at which water will flow through any given pipe.

Water flow test calculator.

The rated capacity calculation is useful in determining the total water supply at a given point in the hydrant or water main. Residual pressure is measured from the same cap gauge while water is flowing. The flow rate calculator can also calculate the mass flow rate of liquids given the liquid density is known. The calculation offers more useful information than the test flow by itself and is used by insurance underwriters.

Input and output support metric and imperial. The main can be expected to flow about. American water works association awwa 2 defines the required fire flow as the rate of water flow at a residual pressure of 20 psi and for a specified duration that is necessary to control a major fire in a specific structure each fire flow methodology may define the objective of the required fire flow differently. Discharge rate given its diameter for a round pipe height width for a rectangular one and the velocity of the liquid or gas flowing through it.

Easily calculate the volumetric flow rate of a pipe a k a. This application has auto adjusting axis divisions and automatically calculates avaliable flow or pressure at a single point. Gpm from the test outlet. All you need for the test is a measuring jug and a timer.

Making this calculator quite versatile. Projected available hydrant flow. Take the test now. Gallons per minute is measured by a diffuser with a pitot and a gpm gauge while the hydrant is flowing.

Quickly determine you water supply capabilities with our on line application for graphing fire hydrant flow test information on a logritmic graph n 1 85. Sample flow test results. I n s t r u c t i o n s. The hydrant flow test calculator measures the rated capacity at 20 psi of a fire hydrant.

This ultra calculator is special by allowing you to choose among a great variety of units 6 for diameter and 24 each for velocity and flow rate. Secondary psi while flowing. Unlike other calculators you are not confined to inputting diameter in inches velocity in miles per hour etc. All hydrants are assumed to provide at least 20 psi.

Nfpa and awwa predicted flow of any fire hydrant is based on the rated capacity at 20 psi. Secondary psi before flowing. The following formula is used by this calculator to populate.