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A102.2 Water Meter
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Where the building supply is to be metered, obtain information regarding friction loss relative to the rate of flow for meters in the range of sizes likely to be used. Friction-loss data is capable of being obtained from most manufacturers of water meters. Friction losses for disk-type meters shall be permitted to be obtained from Chart A 102.2.
CHART A 102.2
FRICTION LOSSES FOR DISK-TYPE WATER METERS
FLOW (gallons per minute)
For SI units: 1 inch = 25 mm, 1 pound-force per square inch = 6.8947 kPa, 1 gallon per minute = 0.06 L/s
FRICTION LOSSES FOR DISK-TYPE WATER METERS
FLOW (gallons per minute)
For SI units: 1 inch = 25 mm, 1 pound-force per square inch = 6.8947 kPa, 1 gallon per minute = 0.06 L/s
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