API Standard Single Bow Spring Centralizer for Casings:
1. Introduction to Casing Centralizers
C
Casing Centralizers:
1. Introduction:
Casing centralizers are essential components used to protect the sucker rods and reduce wear in oil and gas industry applications.
2. Materials:
2.1. Super strength spring steel
2.2. ASTM A395 ductile iron or equivalent international series number
2.3. Polyester centralizer
2.4. Aluminum alloy
3. Structures:
3.1. Weldless design with one or double bows
3.2. Rigid type centralizers
3.3. Roller type centralizers
4. Specifications:
We offer a range of casing centralizer sizes to cater to different casing dimensions. Some of the available sizes include:
- 4" x 5-7/8"
- 4-1/2" x 6-1/8"
- 5" x 6-1/2"
- 5-1/2" x 8-1/2"
- 7" x 8-1/2"
- 7-5/8" x 9-1/2"
- 8-5/8" x 10-5/8"
- 9-5/8" x 12-1/4"
- 10-3/4" x 14-3/4"
- 13-3/8" x 17-1/2"
- 16" x 20"
- 20" x 26"
These specifications ensure that the casing centralizers can be properly selected and fitted to accommodate various casing sizes and applications.
Casing sentralizer specifications:
| Model (in) | Hooping In-Dia. (mm) | Hooping thickness (mm) | Total length (mm) | Max.Out-Di (mm) | Amount of spring (mm) |
| 5-1/2" x 8-1/2" | 142-148 | 3-5 | 650±50 | 225±5 | 5 |
| 7" x 9-5/8" | 181-186 | 3-5 | 650±50 | 255±5 | 6 |
| 7" x 8-1/2" | 181-186 | 3-5 | 650±50 | 235±5 | 6 |
| 8-5/8 x 12-1/4" | 223-228 | 3-5 | 650±50 | 330±5 | 8 |
| 9-5/8 x 12-1/4" | 250-255 | 3-5 | 650±50 | 330±5 | 8 |
| 10-3/4 x 12-1/4" | 274-276 | 3-5 | 650±50 | 330±5 | 9 |
| 13-3/8"x17-1/2" | 342-347 | 3-5 | 650±50 | 450±5 | 11 |
| 18-5/8"x24" | 475-477 | 3-5 | 600±50 | 610±5 | 12 |
| 20"x26" | 509-511 | 3-5 | 600±50 | 660±5 | 12 |
Company Information
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
