double wall CASING WITH SCREW TYPE CONNECTION
Information
double wall CASING WITH SCREW TYPE CONNECTION
Casings are used generally used for stabilizing boreholes in collapsible soil conditions, also in cutting of secant piles.
Double Wall Casing - DWC Casing joints and pipes for pile protection of collapsing. Casing joints are composed of one male half joint and one female joint welded at each end of casing pipe for easy pipe connection. Joints coupling supplied with conical screw type for single and double wall casing.
Double walled which are used widely used either for their resistance and ability to ensure a flush drill string.
¨C Single walled which can be used when weight reduction is required or for light works.
These both versions could be equipped with Screw type connection or Key connection
| D1/D2 | 1m | 2m | 3m | 4m | 5m | 6m | a1 | a2 | t2 | Bolts |
| £¨mm£© | Weight(kg) Parts Number | (mm) | (mm) | (mm) | (Nos) | |||||
| 620/540 | 403 | 739 | 1074 | 1411 | 1747 | 2081 | 12 | 8 | 40 | 8 |
| 750/670 | 492 | 902 | 1311 | 1722 | 2131 | 2540 | 12 | 8 | 40 | 10 |
| 880/800 | 585 | 1069 | 1552 | 2036 | 2520 | 3005 | 12 | 8 | 40 | 10 |
| 1000/920 | 669 | 1221 | 1773 | 2328 | 2877 | 3429 | 12 | 8 | 40 | 10 |
| 1180/1100 | 844 | 1580 | 2316 | 3052 | 3787 | 4522 | 16 | 8 | 40 | 12 |
| 1200/1120 | 872 | 1620 | 2370 | 3120 | 3870 | 4620 | 16 | 8 | 40 | 12 |
| 1300/1220 | 933 | 1746 | 2558 | 3372 | 4184 | 4996 | 16 | 8 | 40 | 12 |
| 1500/1400 | 1433 | 2628 | 3817 | 5009 | 6210 | 7393 | 20 | 10 | 50 | 12 |
| 1800/1700 | 1730 | 3166 | 4602 | 6038 | 7474 | 8910 | 20 | 10 | 50 | 16 |
| 2000/1880 | 2450 | 4280 | 6110 | 7940 | 9770 | 11600 | 20 | 15 | 60 | 12 |
| 2200/2080 | 2700 | 4720 | 6740 | 8760 | 10780 | 12800 | 20 | 15 | 60 | 12 |
| 2500/2380 | 2960 | 5240 | 7520 | 9800 | 12080 | 14360 | 20 | 15 | 60 | 16 |
