产品名称（Product Name）：Vertical propeller detachable water meter
功能（Function）：This water meter is specially used to measure the total volume of water flowing through the pipe.
主要技术参数（Main technical parameters）：
2.1 Maximum allowable working pressure: equal to 1.0MPa.
2.2 Maximum allowable working temperature: 30℃ for cold water meter.
2.3 Metering characteristics
Grade 2 water meter (accuracy grade is grade 2)
In the water temperature range of 0.1℃ to 30℃, the maximum allowable error of the water meter is ±2% in the high zone (Q2≤Q≤Q4) and ±5% in the low zone (Q1≤Q＜Q2).
主要机械参数（Main mechanical parameters）：
Water meter type | Nominal diameter DN(mm) | Flow range | Service flow Q3 | Overload flow Q4 | Minimum reading | Maximum reading | |
Q3/Q1 | Q2/Q1 | m³/h | m³ | m³ | |||
Vertical screw detachable | 40 | 160/200 | 1.6 | 40 | 50 | 0.0005 | 999999 |
50 | 160/200 | 1.6 | 40 | 50 | 0.0005 | 999999 | |
65 | 160/200 | 1.6 | 40 | 50 | 0.0005 | 999999 | |
80 | 160/200 | 1.6 | 63 | 78.75 | 0.0005 | 999999 | |
100 | 160/200 | 1.6 | 100 | 125 | 0.0005 | 999999 | |
150 | 160/200 | 1.6 | 250 | 312.5 | 0.0005 | 999999 | |
200 | 160/200 | 1.6 | 400 | 500 | 0.0005 | 999999 | |
Horizontal wing detachable | 40 | 80 | 1.6 | 40 | 50 | 0.0005 | 999999 |
50 | 80 | 1.6 | 40 | 50 | 0.0005 | 999999 | |
65 | 80 | 1.6 | 63 | 78.75 | 0.0005 | 999999 | |
80 | 80 | 1.6 | 100 | 125 | 0.0005 | 999999 | |
100 | 80 | 1.6 | 160 | 200 | 0.0005 | 999999 | |
125 | 80 | 1.6 | 250 | 312.5 | 0.0005 | 999999 | |
150 | 80 | 1.6 | 400 | 500 | 0.005 | 999999 | |
200 | 80 | 1.6 | 630 | 787.5 | 0.005 | 999999 | |
250 | 160 | 1000 | 1250 | 0.005 | 999999 | ||
300 | 200 | 1600 | 2000 | 0.005 | 999999 | ||
