3C, 4C, 6C, 8C 10C Triple Tube Core Barrel
3C, 4C, 6C, 8C 10C Triple Tube Core Barrel
TRIPLE TUBE CONVENTIONAL CORE BARRELS
Roschen manufactures and stocks a wide range of drilling equipment including Core Barrels from TT56 through to 8C. These include the most common sizes N, NMLC & H, 3C 6C 8C 10C and come with all replacement and spare parts included.
The Roschen Triple Tube Conventional Core Barrel is designed to maximize core recovery in site investigation and core exploratory drilling programs, making it possible to obtain near 100% volumetric core recovery in the most undisturbed condition possible using rotary core drilling equipment. They have been used for exploration of dam, bridge and building sites as well as the development of mineral resources.
Triple Tube Core Barrels are normally supplied with stainless steel split inner tubes. Clear plastic tubing is available in NMLC size.
| TRIPLE TUBE CONVENTIONAL CORE BARREL SPECIFICATIONS | ||||||
| TYPE | SET BIT (O.D.) | HOLE SIZE (O.D.) | CORE SIZE (O.D.) | |||
| Imperial | Metric | Imperial | Metric | Imperial | Metric | |
| BMLC | 2.330" | 59.18MM | 2.360" | 59.94MM | 1.386" | 35.20MM |
| NMLC | 2.945" | 74.80MM | 2.980" | 75.69MM | 2.045" | 51.94MM |
| HMLC | 3.875" | 98.42MM | 3.906" | 99.21MM | 2.500" | 63.50MM |
| 3C | 4.343" | 110.31MM | 4.375" | 111.12MM | 3.000" | 76.20MM |
| 4C | 5.468" | 138.89MM | 5.500" | 139.70MM | 4.000" | 101.60MM |
| 6C | 7.730" | 196.04MM | 7.750" | 196.85MM | 5.750" | 146.04MM |
| 8C | 10.200" | 259.10MM | 10.250" | 260.35MM | 7.980" | 202.70MM |
Remark
Thread on core barrel head assembly will be manufactured as per requested.
Core bit and reaming shell are not supplied with core barrel，and shall be ordered seperately.
1.5m and 3.0m length core barrel are in available.
