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Zhongshi brand Spiral Rigid centralizer has distinguished features:
Spiral Rigid Centralizer is a cast steel solid centralizer that is suitable for use in open hole consolidated formations or cased hole applications.
The outside diameter is generally 5" to 25" smaller then the nominal hole size making it suitable for applications where medium to large annular conditions exist.
Long life span and economic in price
We are always your best choices!
Non-weld casing centralizer
Weld casing centralizer
Spiral Rigid Centralizer is a cast steel solid centralizer that is suitable for use in open hole consolidated formations or cased hole applications.
The outside diameter is generally 5" to 25" smaller then the nominal hole size making it suitable for applications where medium to large annular conditions exist.
Long life span and economic in price
We are always your best choices!
Non-weld casing centralizer
| Model (in) | Hooping In-Dia. (mm) | Hooping thickness (mm) | Hooping Height (mm) | Total Length (mm) | Max. Out-Dia. (mm) | Spring Pieces |
| 5-1/2*8-1/2 | 142-148 | 3-5 | 90-120 | 650±50 | 225±5 | 5 |
| 7*9-5/8 | 181-186 | 3-5 | 90-120 | 650±50 | 255±5 | 6 |
| 7*8-1/2 | 181-186 | 3-5 | 90-120 | 650±50 | 235±5 | 6 |
| 8-5/8*12-1/4 | 223-228 | 3-5 | 90-120 | 650±50 | 330±5 | 8 |
| 9-5/8*12-1/4 | 250-255 | 3-5 | 90-120 | 650±50 | 330±5 | 8 |
| 10-3/4*12-1/4 | 274-276 | 3-5 | 90-120 | 650±50 | 330±5 | 9 |
| 13-3/8*17-1/2 | 342-347 | 3-5 | 90-120 | 650±50 | 450±5 | 11 |
| 18-5/8*24 | 476±1 | 3-5 | 90-120 | 600±50 | 610±5 | 12 |
| 20*26 | 510±1 | 3-5 | 90-120 | 600±50 | 660±5 | 12 |
| Model (in) | Hooping In-Dia. (mm) | Hooping Thickness (mm) | Hooping Height (mm) | Total Length (mm) | Max. Out-Dia. (mm) | Spring Pieces |
| 5-1/2*8-1/2 | 142-148 | 5-7 | 50-60 | 650±50 | 225±5 | 5 |
| 6*8-1/2 | 154-158 | 5-7 | 50-60 | 650±50 | 255±5 | 5 |
| 13-3/8*17-1/2 | 342-349 | 8 | 50-60 | 580 | 450±5 | 6 |
| 20*26 | 510-518 | 8 | 50-60 | 650±50 | 670±5 | 10 |