Water Meter Size Chart
The threads are 3 4 awwa meter threads the same size as for a 5 8 x 3 4 meter.
Water meter size chart. This is because the larger size water meter would be unable to accurately measure at low flow rates. It has a 3 4 measuring chamber capacity. Type manufacturer of sprinkler head. Unit sizes provided in the table 1 and table 2 is in mm but the size of pipes in the chart is in inch.
Maximum water supply fixture units wsfu meter and street service lines inches building supply and branch lines inches length of pipe feet 40 60 80 100 150 200. Therefore either 5 8 x 1 2 or 5 8 x 3 4 may be marked with just 5 8 on the body and register which designated the internal capacity not the thread size. Supply pressure 30 45 psi. 304 8mm 1 gallon m 3 785l m.
Flow rates are based on the simultaneous operation of 4. Meter size in maximum flow rate gpm 5 8 3 4. Head losses from backflow devices or other appurtenances 7. Water pipe sizing charts.
3 4 water meter standard the standard 3 4 water meter has a lay length of 9 from then ends of the threaded spuds. The listed fixture unit values represent their load on the cold water building supply. Length of hose. So pipe area should be at least equal to water flow rate divided by eight.
Sizing for water meters backflows type of lawn irrigation used none portable sprinklers number of sprinklers in operation once. American water works association a w w a outlines flow rates for each type of water meter and their. J engpool eng d s section domestic 2 meter sizing updated items from meter sizing dw service and water meter sizing guidelines 5 1 16 docx page 2 of 4 d. Meter size 12 inch 14 inch 16 inch 1 1 2 inch awwa capacity 3 4 inch 18 inch 20 inch factor based on 5 8 factor based on 3 4 factor based on 1 20 00 1 00 0 67 0 40 30 00 1 50 1 00 0 60 50 00 2 50 1 67 1 00 100 00 5 00 3 33 2 00 160 00 8 00 5 33 3 20 300 00 15 00 10 00 6 00 500 00 25 00 16 67 10 00 1000 00 50 00 33 33 20 00 1600 00 80 00 53 33 32 00 2300 00 115 00 76 67 46 00 4300 00 215 00.
The tables below can be used to size building supply and branch lines and meter and service lines. Subtract all head losses from the static pressure to determine the available pressure on the customer s side of the meter. Water supply fixture units wsfu and minimum fixture branch pipe sizes. 1 inch 25 4mm 1 ft.
On the other hand a smaller size meter than what is required means that that same customer could face high flow rate problems because the meter would not be able to adequately supply water.