KM02-04
Integrates a precise dry-type water meter with a convenient wired remote display and a built-in ball valve for flow control or isolation. Ideal for building management and industrial applications. Offers remote reading, corrosion resistance, and simplified installation/maintenance in a single robust unit.
Description
1. Features
● Multi-jet vane wheel, separate sealing structure, easy to replace and maintain.
● Dry type register, magnetic drive,anti-magnetic interference,anti-freezing, long-term clear reading.
● Material: iron, plastic, brass, stainless.
● Moisture-proof, sun-proof, anti-fluctuation,anti-static, anti-magnetic, IP68.
● Remote valve control is optional.
● Water consumption can be read or recorded real-time.
● Environment B, E1.
● Zero power supply except reading water consumption.
● Easy to add and maintain water meters and collectors.
2. Electronic Technique
Working Voltage |
Working Temperature |
Working Current |
Datacomms |
DC9-15V(RS-485)/DC24-36V(M-BUS) |
-10~45 ℃ |
≤9mA |
RS-485,M-BUS |
3. Head Loss Curve
4. Accuracy Error Curve
5. Installation Dimension
Item No |
LXSY-15E |
LXSY-20E |
LXSY-25E |
|
|
|
L1 |
mm |
260 |
295 |
340 |
354 |
373 |
L |
mm |
165 |
190 |
225 |
230 |
245 |
H |
mm |
118 |
118 |
118 |
115 |
155 |
W |
mm |
90 |
90 |
90 |
110 |
125 |
Connection Thread |
D(mm) |
G3/4" |
G1" |
G1 1/4" |
G1 1/2" |
G2" |
d(mm) |
R1/2 |
R3/4 |
R1 |
R1 1/4 |
R1 1/2 |
|
Weight |
with unions(kg) |
1.2 |
1.3 |
1.5 |
|
|
without unions(kg) |
|
|
|
|
|
6. Main Technical Parameter
Model number |
LXSY-15E |
LXSY-20E |
LXSY-25E |
|
|
||||||||||
Nominal diameter (DN)[mm] |
15 |
20 |
25 |
32 |
40 |
||||||||||
Ratio Q3/Q1 |
R80 |
R100 |
R160 |
R80 |
R100 |
R160 |
R80 |
R100 |
R160 |
R80 |
R100 |
R160 |
R80 |
R100 |
R160 |
Overload flow rate (Q4) [m³/h] |
3.125 |
3.125 |
3.125 |
5 |
5 |
5 |
7.875 |
7.875 |
7.875 |
12.5 |
12.5 |
12.5 |
20 |
20 |
20 |
Permanent flow rate (Q3) [m³/h] |
2.5 |
2.5 |
2.5 |
4 |
4 |
4 |
6.3 |
6.3 |
6.3 |
10 |
10 |
10 |
16 |
16 |
16 |
Transitional flow rate (Q2) [m³/h] |
0.05 |
0.04 |
0.025 |
0.08 |
0.064 |
0.04 |
0.126 |
0.1 |
0.063 |
0.2 |
0.16 |
0.1 |
0.32 |
0.256 |
0.16 |
Minimum flow rate (Q1) [m³/h] |
0.032 |
0.025 |
0.015 |
0.05 |
0.04 |
0.025 |
0.08 |
0.063 |
0.039375 |
0.125 |
0.1 |
0.0625 |
0.2 |
0.16 |
0.1 |
Accuracy class |
2 |
||||||||||||||
Maximum permissible error for the lower flow rate zone (MPEι) |
±5% |
||||||||||||||
Maximum permissible error for the upper flow rate zone (MPEμ) |
±2% for water having a temperature ≤30℃ |
||||||||||||||
Temperature class |
T30,T50 |
||||||||||||||
Water pressure classes |
MAP 16 |
||||||||||||||
Pressure-loss classes |
△P63 |
||||||||||||||
Indicating range[m³] |
99 999 |
||||||||||||||
Resolution of the indicating device[m³] |
0.00005 |
||||||||||||||
Flow profile sensitivity classes |
U10 D5 |
||||||||||||||
Orientation limitation |
HORIZONTAL |
Impeller wear caused by fluid impactLarge-diameter mechanical water meters rely on rotors or propellers to transmit flow during the metering process. ...
Water meters are essential tools for measuring the volume of water consumed by residential, commercial, and industrial users. They are fundamental to ...
Wet-type water meters are widely used in urban water supply systems. Their performance directly impacts the accuracy of water metering and the efficie...
Wet-type water meters are common and important metering devices in urban water supply systems. Their metering accuracy and service life are directly r...