H orizontal check valve water meter
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DN15
Product description
Parameters
Features
This water mater is mainly made of adding a check valve at the water inlet to prevent the countercurrent of water on the base of the rotary vane wheel cold water meter. The water meter has modern design, compact and reasonable structure, and no change to the original sizes. It can effectively prevent the countercurrent owing to the shortage of pipeline design and the water loss of the water company due to the reverse installation of water meters.
When the water meter is installed reversely, the check valve will shut down.
Web-dial water meters, dry-dial water meters, hot-water meters are available.
Technical parameters
|
Model |
Meter Size Dia |
Q3/ Q1 |
verload Flow |
Nominal Flow |
Transitional Flow |
Min Flow |
Min Reading |
Max 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 |
||||
Indication error
Low area from including min flow (Q1) to excluding transitional flow (Q2)土5%
High area from including transitional flow (Q2) to including max flow (Q4)土2%
Using environment
Water temperature: cold water meter 0~30°C
Working pressure: no more than 1Mpa
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