Description
1. Application
Used for household or residential units to measure, memorize and display the volume of cold water flowing through the pipeline, 360° rotating dial. DN15-40, R80,R100,R160. Mechanical drive.
2. Features
● Adopt multi-jet type.
● Wet type register, high sensitivity,glycerin-sealed dial ensures long-term clear reading, Tamper proof.
● Material: Brass, iron, plastic Body for option.
● Non-return valve is available.
● Un-affected by grit and particulates.
● Provided with lead seal and dustproof cover.
● Confirm to ISO4064.
● Available for IP68.
3. Head Loss Curve
4. Accuracy Error Curve
5. Installation Dimension
Item No |
LXSG-15 |
LXSG-20 |
LXSG-25 |
LXSG-32 |
LXSG-40 |
|
L1 |
mm |
260 |
295 |
345 |
350 |
375 |
L |
mm |
165 |
190 |
225 |
230 |
245 |
H |
mm |
110 |
110 |
115 |
115 |
115 |
W |
mm |
98 |
98 |
110 |
110 |
110 |
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) |
|
|
|
|
|
without unions(kg) |
1 |
1.1 |
1.3 |
1.5 |
1.8 |
6. Main Technical Data
Model number |
LXS-15 |
LXS-20 |
LXS-25 |
LXS-32 |
LXS-40 |
||||||||||
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 |
The performance of smart water meters is significantly affected by environmental factors, and a deep understanding of these factors can help improve t...
Temperature change is one of the key factors affecting the accuracy of prepaid water meters. Water meters are usually made of plastic, metal and elect...
The quality and manufacturing process of water meters are the core factors to ensure the accuracy of measurement. Prepaid water meters are usually com...
Daily inspections are an important basic part of water meter maintenance, and regular inspections of the integrity of the water meter housing are esse...