3 Water Meter Pressure Loss

12 5 2007 11 17 43 am.

3 water meter pressure loss. Pressure loss through water meters. Calculating water pressure loss bathrooms plumbing design text. This version is usable for browsers without javascript also. Example water flow through a hose and 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. They are often referred to as hydraulic friction loss tables. 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. Normally you will not use this valve as technically it belongs to the water company and is typically used only by water company personnel.

Years ago engineers developed tables to quickly calculate water pressure loss. Calculations are possible only if javascript is activated in your browser. 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. 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.

Includes 53 different calculations. Equations displayed for easy reference. If not the charts below should be close enough. Online calculator to quickly determine pressure loss through piping for water.

Pressure drop online calculator calculation of pressure drops of flowing liquids and gases in pipes and pipe elements laminar and turbulent flow. The charts below give typical pressure losses for various meter sizes and. 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. Calculating water pressure loss.

The pressure loss psi loss for water meters is based on the meter size and the flow rate. But if your water pressure is low throughout your house especially after some work has been done on your plumbing system it s. Friction loss can be calculated following five easy stages. The first is the water meter valve located right next to the water meter on the main city supply pipe serving your home.