KM05-20
Residential water meter with non-returned valve, sealed register, available for IP68. Un-affected by grit and particulates.
Description
1. Features
2. Head Loss Curve
3. Accuracy Error Curve
4. Installation Dimension

| Item No | LXSG-15 | LXSG-20 | LXSG-25 | LXSG-32 | LXSG-40 | |
| L1 | mm | 165 | 190 | 225 | 230 | 245 |
| L | mm | 260 | 295 | 345 | 350 | 375 |
| 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 | 1.2 | 1.4 | 1.8 | 2.2 | 2.6 | |
| kg | ||||||
5. Main Technical Data
|
Model Number |
LXSG-15 |
LXSG-20 |
LXSG-25 |
LXSG-32 |
LXSG-40 |
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|
Nominal diameter (DN)[mm] |
15 |
20 |
25 |
32 |
40 |
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|
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 |
16 |
16 |
16 |
25 |
25 |
25 |
|
Transitional flow rate (Q2) [m³/h] |
0.05 |
0.04 |
0.025 |
0.08 |
0.064 |
0.04 |
0.126 |
0.1008 |
0.063 |
0.2 |
0.16 |
0.1 |
0.32 |
0.256 |
0.16 |
|
Minimum flow rate (Q1) [m³/h] |
0.03125 |
0.025 |
0.015625 |
0.05 |
0.04 |
0.025 |
0.07875 |
0.063 |
0.039375 |
0.125 |
0.1 |
0.0625 |
0.2 |
0.16 |
0.1 |
|
Accuracy class |
2 |
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|
Maximum permissible error for the |
±5% |
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|
Maximum permissible error for |
±2% for water having a temperature ≤30℃ |
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|
Temperature class |
T30,T50 |
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|
Water pressure classes |
MAP 16 |
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|
Pressure-loss classes |
△P63 |
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|
Indicating range[m³] |
99 999 |
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|
Resolution of the |
0.00005 |
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|
Flow profile sensitivity classes |
U10 D5 |
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|
Orientation limitation |
HORIZONTAL |
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