3 Water Meter Pressure Loss
This friction loss calculator employs the hazen williams equation to calculate the pressure or friction loss in pipes.
3 water meter pressure loss. Equations displayed for easy reference. Calculating water pressure loss. Losses are calculated on the basis of flow rates in circular pipes the internal diameter of the pipe the length of the pipe and the type of pipe. 280 17 3 6 3 300 20 0 7 2 350 10 0 400 13 0 450 16 2 500 20 0 pressure loss through water meters psi flow gpm nominal size.
Years ago engineers developed tables to quickly calculate water pressure loss. Includes 53 different calculations. Friction loss can be calculated following five easy stages. Calculations are possible only if javascript is activated in your browser.
The charts below give typical pressure losses for various meter sizes and. Normally you will not use this valve as technically it belongs to the water company and is typically used only by water company personnel. If not the charts below should be close enough. This version is usable for browsers without javascript also.
But if your water pressure is low throughout your house especially after some work has been done on your plumbing system it s. Studies produced constants numbers which you use to help in the calculation which make. Pressure loss through water meters. 12 5 2007 11 17 43 am.
If you know the brand of the water meter you can probably find a table on the manufacturer s website that tells you the pressure loss for the meter size at various rates of flow. 2 gpm 7 6 liter min flows through a 1 2 garden hose with length 82 feet 25 m from the diagram above the pressure loss per 100 feet can be estimated to 5 psi the pressure drop in the hose can be calculated as. Example water flow through a hose and pressure loss. Online calculator to quickly determine pressure loss through piping for water.
4 sr 3 50 3 4 25 103 4 10 9 50 11 2 sr 5 100 11 2 50 125 8 13 11 4 100 2 sr 8 160 2 80 151 4 17 12 1 160 meter size normal operating flow range gpm low flow accuracy 95 minimum gpm laying length inches pressure loss psi gpm 2 2 160 1 4 151 4 5 1 160 3 4 320 1 2 17 4 2 320 4 6 500 3. Calculating water pressure loss bathrooms plumbing design text. Pressure drop online calculator for small mobiles. They are often referred to as hydraulic friction loss tables.