公称通径 | 外套镀锌钢管 | 内衬塑料管 | |||||||
外径 | 壁厚 | 外径 | 壁厚 | 长度及允差 | |||||
尺寸 | 允差 | 尺寸 | 允差 | 尺寸 | 允差 | 尺寸 | 允差 | ||
| 15 | 21.3 | ±0.2 | 2.8 | ±0.2 | 15.3 | ±0.2 | 1.5 | ±0.2 | 6220+20 |
20 | 26.8 | ±0.2 | 2.8 | ±0.2 | 21.1 | ±0.2 | 1.5 | ±0.2 | 6220+20 |
| 25 | 33.5 | ±0.2 | 3.2 | ±0.2 | 26.6 | ±0.2 | 1.5 | ±0.2 | 6220+20 |
| 32 | 42.3 | ±0.2 | 3.5 | ±0.2 | 34.9 | ±0.2 | 1.5 | ±0.2 | 6250+20 |
| 40 | 48.2 | ±0.2 | 3.5 | ±0.2 | 40.8 | ±0.2 | 1.5 | ±0.2 | 6250+20 |
| 50 | 60.3 | ±0.2 | 3.5 | ±0.2 | 52.9 | ±0.2 | 1.5 | ±0.2 | 6250+20 |
| 50 | 60.3 | ±0.2 | 3.8 | ±0.2 | 52.0 | ±0.2 | 1.5 | ±0.2 | 6250+20 |
| 65 | 75.9 | ±0.3 | 4.0 | ±0.3 | 67.4 | ±0.3 | 1.5 | ±0.2 | 6250+20 |
| 80 | 88.9 | ±0.3 | 4.0 | ±0.3 | 80.4 | ±0.3 | 2.0 | ±0.2 | 6340+20 |
| 100 | 114.1 | ±0.4 | 4.0 | ±0.3 | 105.6 | ±0.4 | 2.0 | ±0.2 | 6340+20 |
| 125 | 139.7 | ±0.5 | 4.0 | ±0.3 | 131.5 | ±0.5 | 2.0 | ±0.2 | 6380+20 |
| 150 | 165.1 | ±0.5 | 4.0 | ±0.3 | 155.8 | ±0.5 | 2.5 | ±0.2 | 6380+20 |
| 200 | 219.1 | ±1.0 | 4.0 | ±0.4 | 209.1 | ±1.0 | 2.5 | ±0.2 | 6380+20 |
1. the steel pipe is usually delivered at 6m fixed length, with a fixed deviation of +150mm, or can be produced according to customer requirements.
2. The coat galvanized steel pipe meets the requirements of GB/T28897 standard. The plastic pipe in Neicun can be used for PE (cold water) and PE-RT (hot water).
3. the weld inside the steel pipe should be removed and its residual height should not exceed 0.5mm.
4. the products do not contain plasticizers, which meet the hygienic and safety requirements for drinking water transportation.
| Add： | No. 95, Yanjiang Section, Jinjiang Road, Yanjiang Village, Minmin Street, Zhongshan, Guangdong |
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| Add： | No. 95, Yanjiang Section, Jinjiang Road, Yanjiang Village, Minmin Street, Zhongshan, Guangdong |
