# 1 Water Meter Pressure Loss

### Pressure drop online calculator for small mobiles.

1 water meter pressure loss.

12 5 2007 11 17 43 am. Find your meter size below then use your initial design flow from your design data form to find the psi loss. Service line head loss based on the proposed service line size c. If you modify the initial design flow later you should come back and change the water meter flow sensor psi loss values as well.

Example water flow through a hose and pressure loss. If you don t have a water meter just enter 0 on the table. Let s calculate what will happen to the pressure if we flush a toilet while a shower is running in a bathroom 100 feet away from where the water enters the house. We are using 1 2 inch pipe.

Constant from table multiplied by 0 4335 pressure loss in psi. In this equation h l represents friction head loss meters of h2o l represents length of pipe meters d represents internal pipe diameter meters q represents flow rate through the pipe cubic meters per second and c represents the hazen williams coefficient which will vary according to how smooth the internal surfaces of the pipe are. From the diagram above the pressure loss per 100 feet can be estimated to 5 psi. Online calculator to quickly determine pressure loss through piping for water.

The pressure drop in the hose can be calculated as 5 psi 100 ft 80 ft 100 ft 4 psi 0 28 bar. The equation presupposes a fluid that has a. Fittings head losses from all fittings and valves to the customer side of the meter domestic water meter and service run table lot no. This version is usable for browsers without javascript also.

Includes 53 different calculations. 4 1 sr 2 30 1 2 15 9 71 2 11 0 30 1 1 11 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. Meter head loss based on the proposed meter b. Static pressure at meter psi fire sprinkler demand pressu re gpm max psi min domestic water.

Calculations are possible only if javascript is activated in your browser. Pz hgl res ht e meter elev. 2 gpm 7 6 liter min flows through a 1 2 garden hose with length 82 feet 25 m. Enter the psi loss from the table below on the water meter line of the pressure loss table.

Pressure drop online calculator calculation of pressure drops of flowing liquids and gases in pipes and pipe elements laminar and turbulent flow. Equations displayed for easy reference. 150 17 3 5 1 1 8 160 20 0 5 8 2 1 170 6 5 2 4 180 7 2 2 7 190 8 0 3 0 200 9 0 3 2 220 11 0 3 9 240 13 0 4 7 260 15 0 5 5 280 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.