description:

This range of water meter is used to measure the total quantity of cold(hot) potable water which consumed in household or a resident unit, passing through the pipeline. Compliance with standard: ISO 4064 Class B Feature: •Dry-dial, magnetic drive, Resistance to exterior magnet interference •Single-jet •Selected high quality materials for steady&reliable characteristic •Vacuum sealed register ensures the dial kept free from fog and keep the reading clear in a long term service •Measuring accuracy conform to ISO 4064 class B Standard •Inner or outer adjusting device for option •Small in size and light in weight MAIN TECHNICAL DATA Meter size Dia DN (mm) Class Qs Overload Flow Qp Nominal Flow Qt Transitional Flow Qmin Min Flow Min Reading Lectura Max Reading Lectura m3/h 1/h m3 13 A 3 1.5 150 60 0.0001 99999 B 120 30 20 A 5 1.8 250 100 0.0001 99999 B 200 50 25 A 7 3.5 350 140 0.0001 99999 B 280 70 INDICATING ERROR At low zone is ±5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary At high zone is ±2% from transitional flow rate (qt) to DIMENSIONS AND WEIGHT Meter size Dia DN (mm) L length B Width H Height Connecting Thread D Weight kg mm 13 110 80 80 G3/4"B 0.7 20 130 80 80 G1"B 0.95 25 160 80 93 G13/4"B 1.4 Working condition: Water temperature:≤50°C for cold water meter Water temperature:≤90°C for hot water meter Working pressure:≤1Mpa