Volumetric Water Meter

This type of water meter is used to measure the total quantity of cold potable water which consumed in household or resident unit,it is also used in precision industrial enterprises or test and test places because of their accurate measurement results.

LXHY Series Volumetric Rotary Piston Water Meter

Volumetric water meter measures the volume of the actual fluid passing through the water meter.the volumetric water meter error can be controlled to ±0.5% or lower.

The volumetric Water meter room can be choose brass and Nylon materials.


1. Adopting Volumetric rotary piston principle of measurement.

2. Accurate measurement register separated from water to ensure a clear reading in long-term service.

3. Selected high quality materials for steady;reliable characteristic.

4. Liquid-sealed register.

5. Low starting flow rate Internal non return valve Internal strainer

6.Optional Features:Provide pulse output,rs485 modbus,wired remote,pulse splitter,pulse read display

Main Technical Data

  • Cold Water temperature : ≤40°C
  • Standards: ISO4046 Class C
  • Accuracy:R=Qp/Qm=160.
  • Working pressure : ≤1Mpa
  • Certificate: ISO,CE.MIC
  • Body: Brass/Nylon

Size of Volumetric Rotary Piston Water Meter

DN(mm) Length(mm) Width(mm) Height(mm) Thread D Weight Kg
15 115 91 116 G3/4B 0.95
20 130 96 128 G1/B 1.2
25 170 112 143 G11/4B 1.8
Flow Range Qm=Minimum flow,Qt=Transitional flow,Qp=Permanent flow,Qs=Overload flow,R=Qp/Qm
DN Qs Qp Qt/Qm=1.6  Qp/Qm(m³/h)
(mm) Qs/Qp=1.25m³/h R160 R160
15 3.12 2.5 0.025 0.015
20 5 4 0.04 0.025
25 7.87 6.3 0.063 0.039


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