Description
1. Application
Used for household or residential units to measure, memorize and display the volume of cold water flowing through the pipeline. Adopt multi-jet type, wet type register, high sensitivity, glycerin-sealed dial ensures long-term clear reading, high water quality requirements.
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 |
LXS-15 |
LXS-20 |
LXS-25 |
LXS-32 |
LXS-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) |
1.2 |
1.4 |
1.8 |
2 |
2.5 |
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 |
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