Casing systems / HEC
Eccentric Casing System
Drill and advance casing together
A casing-system family for drilling through overburden or unstable ground. Share casing outside and inside diameter, wall thickness, required hole diameter and hammer type to confirm a compatible assembly.
- Model / family
- HEC
- System type
- Eccentric casing system
Technical data is listed below. The complete catalog is available when discussing your requirements.
Inquire about this product ↗PRODUCT DATA
Request the complete catalog ↗Technical specifications
Extracted from the supplier catalog · PDF page 13
| System type | Eccentric casing system |
|---|
Recommended model specifications
| Product code | Casing OD (mm) | Casing ID (mm) | Max. wall (mm) | Reamed diameter (mm) | Casing shoe ID (mm) | Max. pass-through bit (mm) | Compatible hammer |
|---|---|---|---|---|---|---|---|
| HEC108-HD35-85 | 108 | 96 | 6 | 118 | 86 | 85 | HD35 / DHD3.5 / QL30 |
| HEC114-HD35-90 | 114 | 101 | 6.5 | 123 | 93 | 90 | HD35 / DHD3.5 / QL30 |
| HEC127-HD35-98 | 127 | 109 | 9 | 138 | 100 | 98 | HD35 / DHD3.5 / QL30 |
| HEC140-HD45-115 | 140 | 128 | 6 | 152 | 117 | 115 | HD45 / DHD340A / QL40 |
| HEC168-HD55-140 | 168 | 154 | 7 | 178 | 142 | 140 | HD55 / DHD350R / QL50 |
| HEC178-HD55-146 | 178 | 158 | 10 | 194 | 148 | 146 | HD55 / DHD350R / QL50 |
| HEC194-HD65-165 | 194 | 181 | 6.5 | 208 | 167 | 165 | HD65 / DHD360 / QL60 |
| HEC219-HD65-190 | 219 | 205 | 7 | 235 | 192 | 190 | HD65 / DHD360 / QL60 |
| HEC245-HD85-208 | 245 | 225 | 10 | 264 | 210 | 208 | HD85 / DHD380 / QL80 |
| HEC273-HD85-240 | 273 | 259 | 7 | 312 | 242 | 240 | HD85 / DHD380 / QL80 |
| HEC323-HN100-280 | 323 | 303 | 10 | 352 | 282 | 280 | HN100A / NUMA100 / SD10 |
| HEC377-N125A-325 | 377 | 361 | 8 | 415 | 328 | 325 | HN125A / NUMA125 / SD12 |
Catalog data is for selection reference. Confirm current specifications, connection, air supply and ground conditions with the supplier before ordering.
