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 |