Check valve water meter level
Functional Features
This water meter mainly adds a check valve at the inlet based on the original rotary vane cold water meter to prevent backflow of water in the pipeline. This water meter has a novel design, compact and reasonable structure, does not change the original appearance and size of the water meter, and can effectively prevent backflow caused by design defects in the pipeline, as well as effectively prevent water loss to the water supply company due to reverse installation of the water meter.
The check valve closes during reverse installation.
Optional wet water meter, dry water meter, hot water meter, etc.
Main Technical Parameters
|
Model |
Nominal Diameter |
Q3/ Q1 |
Overload Flow Rate |
Common Flow Rate |
Boundary Flow Rate |
Minimum Flow Rate |
Minimum Reading |
Maximum Reading |
|
|
mm |
|
m³∕h |
m³ |
||||
|
LXS-15 |
15 |
80 |
3.1 |
2.5 |
0.050 |
0.031 |
0.0001 |
99999 |
|
160 |
3.1 |
2.5 |
0.025 |
0.016 |
||||
|
LXS-20 |
20 |
80 |
5 |
4.0 |
0.080 |
0.050 |
0.0001 |
99999 |
|
160 |
5 |
4.0 |
0.040 |
0.025 |
||||
|
LXS-25 |
25 |
80 |
7.8 |
6.3 |
0.126 |
0.079 |
0.0001 |
99999 |
|
160 |
7.8 |
6.3 |
0.063 |
0.040 |
||||
From including the minimum flow rate (Q1) to excluding the boundary flow rate (Q2) in the low zone ±5%.
From including the boundary flow rate (Q2) to including the maximum flow rate (Q4) in the high zone ±2%.
Operating Environment
Working Water Temperature: Cold Water Meter 0~ 30℃
Working Pressure: Not exceeding IMPa
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