CASING CENTRALIZER, HINED WELDED BOW SPRING CENTRALIZER ,OILFIELD TOOLS, CASING ACCESSORIES
ADVANTAGES AND MAIN FEATURES
It has more restoring force than non-welded centralizers.
› The bow springs are strongly welded to the end collar under required temperature and condition with
extra low hydrogen coated electrodes.
› Hinged design is easy to transport, store and installation.
› End collars are designed with a reinforcing rib stamped into the end collar to give maximum
structural toughness.
› Bow spring heights can be adjustable.
›Available in sizes 4-1/2" to 20" and special sizes are also available.
| hopping 1.D. (mm) | hooping thickness(mm) | total length(mm) | max od | amounts of spring(mm) |
| 142-148 | 3-5 | 650±50 | 225±5 | 5 |
| 181-186 | 3-5 | 650±50 | 255±5 | 6 |
| 181-186 | 3-5 | 650±50 | 235±5 | 7 |
| 223-228 | 3-5 | 650±50 | 330±5 | 8 |
| 250-255 | 3-5 | 650±50 | 330±5 | 8 |
| 274-276 | 3-5 | 650±50 | 330±5 | 9 |
| 342-347 | 3-5 | 650±50 | 450±5 | 11 |
| 475-477 | 3-5 | 600±50 | 610±5 | 12 |
| 509-511 | 3-5 | 600±50 | 660±5 | 12 |