Zhejiang Holley Liyuan Metering Co.,Ltd

Zhejiang, China

We offer volumetric rotary piston water meter. certificate: iso9001: 2000 quality system certificate remark: application: measuring the volume of cold potable water passing through the pipeline. Features: 1. Volumetric meter, on principle of piston rotation, complies with iso 4064 class c or class d standard2. High sensitivity, accurate measurement even at low flow rate of 4l/h. 3. Optimum accuracy and performance at all times, in any position4. Piston adopts high quality material to ensure stable and durable performance5. Liquid-sealed register, easy and long tem clear reading working condition: water temperature: 50 c water pressure: 1.0mpa compliance with standard: iso 4064 (gb/t778-1996) maximum permissible error in the lower zone from qmin inclusive up to but excluding qt is 5% in the upper zone from qt inclusive up to and including qs is 2%

We offer water meter. working principles: water flow drives vane rotate. Rotating times which is proportional to water flow speed are gathered, hence total volume passed through water meter is recorded. characters: 1. Multiple-jet, dry, magnetic drive. 2. Vacuum sealed counter, frost proven, keeping clear reading for long, 3. Antimagnetic construction. 4. Meter body made of either brass. 5. Outside or inside adjustable meter body. 6. For hot or cold water, remote transmission device can be added upon request. 7. All technical figures are conformed with gb/t778.13-1996 which is equivalent to iso4064 standard class b. working condition: . Water temperature45 c(hot water meter90 c). Water pressure1mpa maximum permissible error: . From the minimum flow-rate (qmin) inclusive to the lower zone of the transitional ---flow-rate (qt) exclusive: 5%. . From the transitional flow-rate (qt) inclusive to the higher zone of the maximum -----flow-rate (qmax) exclusive: 2%(hot water meter 3%.)

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:Wet-dial, dry dial or liquid sealed for optionMulti-jetMeasuring accuracy conform to ISO 4064 Class B standardInstalled in vertical pipeline and is suitable for household as branch metercold water meter or hot water meter for option MAIN TECHNICAL DATA Meter sizeDia 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 15 A 3 1.5 150 60 0.0001 99999 B 120 30 20 A 3 2.5 250 100 0.0001 99999 B 200 50 25 A 7 3.5 350 140 0.0001 99999 B 280 70 INDICATING ERRORAt low zone is 5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundaryAt high zone is 2% from transitional flow rate (qt) to DIMENSIONS AND WEIGHT Meter sizeDia DN (mm) Llength BWidth HHeight Connecting ThreadD Weightkg mm 15 95 135 120 G3/4" B 1.5 20 99 150 130 G1" B 1.7 25 110 160 130 G11/4" B 3 Working condition:Water temperature: 50 C for cold water meterWater temperature: 90 C for hot water meterWorking pressure: 1Mpa