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Feature:
1.Removable element structure, easy installation and maintenance;
2.Dry-dial, Magnetic drive;
3.Large flow capacity, small pressure loss;
4.Resist water hummer and pollution;
5.Vacuum sealed register ensures the dial keep free from condensation and keep the reading clear in a long term service;
6.Selected high quality materials for steady and reliable characteristic;
7.Technical data conform to international standard ISO 4064.
Working condition:
Water temperature:0.1ºC~40ºC (0.1ºC~90ºC for hot water meter)
Water pressure:≤1.0Mpa (1.6MPa on request)
Maximum permissible errors:
In the lower zone from qmin inclusive up to but excluding qt is ±5%
In the upper zone from qt inclusive up to and including qs is ±2% (±3% for hot water meter)
Main technical specification:
| Size (mm) | Class | Overload Flow (m3/h) |
Permanent flow (m3/h) |
Transitional Flow (m3/h) |
Minimunm Flow (m3/h) |
Min Reading (m3) |
Max Reading (m3) |
| 50 | B | 31.25 | 25 | 0.8 | 0.5 | 0.001 | 999999 |
| 65 | B | 50 | 40 | 1.28 | 0.8 | 0.001 | 999999 |
| 80 | B | 78.75 | 63 | 2.016 | 1.26 | 0.001 | 999999 |
| 100 | B | 125 | 100 | 3.2 | 2 | 0.001 | 9999999 |
| 125 | B | 200 | 160 | 5.12 | 3.2 | 0.01 | 9999999 |
| 150 | B | 312.5 | 250 | 8 | 5 | 0.01 | 9999999 |
| 200 | B | 500 | 400 | 12.8 | 8 | 0.01 | 9999999 |
| 250 | B | 787.5 | 630 | 20.16 | 12.6 | 0.01 | 9999999 |
| 300 | B | 1250 | 1000 | 32 | 20 | 0.01 | 9999999 |
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