Hinged Welded Bow Casing Centralizer
API 10d specification
Uniform annular clearance
Application: For vertical and slightly deviated applications
Minimizes differential sticking
Can be rotated or reciprocated with the casing
Sizes range from 4-1/2" to 20", custom size is avaliable.
Features of hinged welded bow centralizer
1, welded centralizer has more restoring force than non welded centralizer.
2, integral hinge folded on the inside stay intact even under extreme stress.
3, the end collars are designed with a reinforcing rib stamped into the end collar to give maximum structural toughness.
4, shipped in half assembled condition for economy in shipping and storage cost.
5, with special iron phosphate coating process to prevent from rust
6, coated with special polyester powder.
Bow centrlizers parameter:
| Welded centralizer specification(mm) |
| 5-1/2"*8-1/2" |
Single bow |
142-148 |
5-7 |
50-60 |
650±50 |
225±5 |
5 |
| 5-1/2"*8-1/2" |
Double bow |
142-148 |
5-7 |
50-60 |
650±50 |
225±5 |
5 |
| 5-1/2"*8-1/2" |
Cyclone single bow |
142-148 |
5-7 |
50-60 |
650±50 |
225±5 |
6 |
| 6"*8-1/2" |
Double bow |
154-118 |
5-7 |
50-60 |
650±50 |
225±5 |
5 |
| 13-3/8"*17-1/2" |
Single bow |
342-349 |
8 |
50-60 |
580 |
450±5 |
6 |
| 20"*26" |
Single bow |
510-518 |
8 |
50-60 |
650±50 |
670±5 |
10 |
Audited Supplier 
){kind=link}
){kind=link}