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- Commodity name: Flange type water meter
Flange type water meter
keyword:
water meter
Products Detail
◎尺寸及重量 Dimensions and weight
公称口径 DN (mm ) | 长L Length | 宽B Width | 高H Heigit | 连接螺纹 Connecting Thread |
15 | 165 | 99 | 105 | G3/4B |
20 | 195 | 99 | 106 | G1B |
25 | 220 | 100 | 100 | G1-1/4B |
32 | 220 | 120 | 110 | G1-1/2B |
40 | 240 | 120 | 130 | G2B |
50 | 300 | 165 | 172 | G2-1/2B |
◎技术参数 Technical parameters
公称口径 (mm ) | 过载流量Q4 Max Flow | 常用流量Q3 Q3Nominal Flow | 分界流量Q2 Transitional | 最小流量Q1 Q1 Min Flow |
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| (mm) m°/h
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|
|
15 | 3.125 | 2.5 | 0.05 | 0.031255 |
20 | 5 | 4 | 0.08 | 0.05 |
25 | 7.875 | 6.3 | 0.126 | 0.07875 |
32 | 12.5 | 10 | 0.2 | 0.125 |
40 | 20 | 16 | 0.32 | 0.2 |
50 | 31.25 | 25 | 0.5 | 0.3125 |
公称压力Nominal Pressure | P≤1.0Mpa |
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|
|
压力压损Pressure Loss |
| ≤0.063Mpa |
|
|
工作温度Max Temperature | 40°C (cold) or 90°C (hot) |
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|
|
最大允许误差Maximum Permissible Error |
| 1.低区(Q1≤Q≤Q2)最大允许误差士5% 2.高区(Q2≤Q≤Q4)最大允许误差 2% |
| Between Q1 and Q2 (excluded) is + 5% Between Q2 and Q4 (excluded) is + 2% |
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