Changsha Miracleland Import & Export Co., Ltd
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Casing Tubes:
Miracleland supplies Metric Casings, Flush-Jointed Casings and Flush-Coupled Casings.
Casing thread: 4 threads per inch.
Casing length: generally supplied with length 3.0m, 1.5m & 0.75m.
| Metric Series Casings | ||||
| Size | Outer Diameter | Inner Diameter | ||
| inch | mm | inch | mm | |
| 46 | 44.15 | 37.15 | ||
| 56 | 54.15 | 47.15 | ||
| 66 | 64.25 | 57.25 | ||
| 76 | 74.25 | 67.25 | ||
| 86 | 84.25 | 77.25 | ||
| 101 | 98.00 | 88.30 | ||
| 116 | 113.00 | 103.30 | ||
| 131 | 128.00 | 118.30 | ||
| 146 | 143.00 | 133.30 | ||
| Flush-Jointed W Series Casings | ||||
| BW | 2.874 | 73.0 | 2.374 | 60.3 |
| NW | 3.500 | 88.9 | 3.000 | 76.2 |
| HW | 4.500 | 114.3 | 4.000 | 101.5 |
| PW | 5.500 | 139.7 | 5.000 | 127.0 |
| Flush-Coupled X Series Casings | ||||
| NX | 3.500 | 88.9 | 3.000 | 76.2 |
| HX | 4.500 | 114.3 | 3.937 | 100.0 |
| PX | 5.500 | 139.7 | 4.867 | 123.6 |
| Flush-Jointed Water Well Casings (B.S.879) | ||||
| 4" | 4 1/2" | 114.3 | 3 7/8" | 98.3 |
| 5" | 5 1/2" | 139.7 | 4 7/8" | 123.7 |
| 6" | 6 5/8" | 168.3 | 5 7/8" | 149.3 |
| 8" | 8 5/8" | 193.7 | 7 7/8" | 174.7 |