Stainless Steel Hinged Casing Centralizer
Interlocking design between the end collar
Made of alloy steel with uniform hardness
Application:For vertical and deviated applications.
Size:4-1 / 2" to 20'', custom size is avaliable.
Features of hinged centraliser
>> bow springs are slightly larger than the wellbore.
>> the highest restoring force and the lowest starting force.
>>the heat treated bows enables these centralizer to provide best centralization as well as help in faster running of casing.
>>the bows are available in a range to accommodate any well profile.
>>the end collars have hinges which makes it in two halves.This enables them to be assembled at site.
Hinged centraliser parameter:| Non welded centralizer specification(mm) |
| Specification | Bow type | Hoop ring internal diameter(d) | Hoop ring wall thickness(t) | Hoop ring height(h) | Total length(l) | Max.O.D.Size | Bow spring(n) |
| 5-1/2"*8-1/2" | Double bow | 142-148 | 3-5 | 90-120 | 650±50 | 225±5 | 5 |
| 7"*9-5/8" | Double bow | 181-186 | 3-5 | 90-120 | 650±50 | 255±5 | 6 |
| 7"*8-1/2" | Single bow | 181-186 | 3-5 | 90-120 | 650±50 | 235±5 | 6 |
| 8-5/8"*12-1/4" | Single bow | 223-228 | 3-5 | 90-120 | 650±50 | 330±5 | 8 |
| 9-5/8"*12-1/4" | Single bow | 250-255 | 3-5 | 90-120 | 650±50 | 330±5 | 8 |
| 10-3/4"*12-1/4" | Single bow | 274-276 | 3-5 | 90-120 | 650±50 | 330±5 | 9 |
| 13-3/8"*17-1/2" | Single bow | 342-347 | 3-5 | 90-120 | 650±50 | 450±5 | 11 |
| 18-5/8"*24" | Single bow | 476±1 | 3-5 | 90-120 | 600±50 | 610±5 | 12 |
| 20"*26" | Single bow | 510±1 | 3-5 | 90-120 | 600±50 | 660±5 | 12 |
| 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 |
![Completion Tool Stainless Steel Hinged Casing Centralizer, Hinged Centraliser]()
![Completion Tool Stainless Steel Hinged Casing Centralizer, Hinged Centraliser]()
