Volumetric Rotary Piston Water Meter
It is a volumetric rotary piston water meter for residential
application in sizes 15mm-40mm for cold meter.
FeaturesEnsures high sensitivity and accurate registration throughout a wide flow range
Mechanical transmission movement equates to maximum reliability.
Corrosion resistant body
Liquid sealed register, easy reading and long time clear reading
Low starting flow rate.
Internal non return valve, internal strainer
Install in any position
Standards Compliance
Directive 2004/22/EC on measuring instruments;
the European Standard EN14154+A1+A2: Water Meter;
the International Organization of Legal Metrology OIML R-49: 2006(E)
Optional Features
Several lengths and connections available on request
Non return Valve
Reed switch option
Working Conditions
Water temperature: ≤50ºC for cold water meter
Water pressure: ≤1MPa or 1.6MPa optional
(10bar or 16bar option)
AccessoriesEach meter has one set coupling optional: 2pcs coupling, 2pcs coupling nuts and 2pcs washers.
Installation requirements
The meter should be installed in horizontal position with the direction of the flow as
indicated by the arrow cast in the meter body with the register face upwards.
Pipeline must be flushed before installation.
The meter should be constantly full of water during operation.
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: cold water meter ±2%.
DN(mm) |
15 |
20 |
25 |
40 |
Size(inch) |
1/2" |
3/4" |
1” |
1-1/2" |
Q4(m³/h) |
3.125 |
5 |
7.875 |
20 |
Q3(m³/h) |
2.5 |
4 |
6.3 |
16 |
R160 |
Q2(l/h) |
22.5 |
40 |
63 |
160 |
Q1(l/h) |
15.62 |
25 |
39.37 |
100 |
R200 |
Q2(l/h) |
20 |
32 |
50.4 |
128 |
Q1(l/h) |
12.5 |
20 |
31.5 |
80 |
Max.Reading (m³) |
9999 |
99999 |
Min.Reading (Liter) |
0.02 |
02 |
Max.Pressure (bar) |
16 |
Pressure Loss (ΔP) |
63 |
Max.Temperature |
T30 or T50 |
Pulse Output Option |
Vmax=24V,Imax=100mA,Pmax=2W |
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