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| Categories | Bow Spring Centralizer |
|---|---|
| Brand Name: | ZS |
| Model Number: | 5-1/2"X8-1/2"to20"X26" |
| Certification: | API 11AX |
| Place of Origin: | China,Henan |
| MOQ: | 1 |
| Price: | Negotiable |
| Payment Terms: | T/T |
| Supply Ability: | 1000sets/month |
| Delivery Time: | 15 work days |
| Packaging Details: | Metal or wooden case |
| Type: | Bow Type Spring Centralizer |
| Material: | Carbon Steel |
| central multimedia: | central machinery parts |
| central hydraulics scissor lift: | toyota central locking system |
| Weight (KG): | 10 |
| Use: | Well Drilling |
| Color: | Customized |
| Coating: | Galvanized |
| Weight: | Varies |
| End Collar Type: | Plain, Threaded, Flush |
| Mandrel Thickness: | 3/8'' to 1/2'' |
| Size: | 3-1/2'' to 20'' |
| Company Info. |
| Puyang Zhongshi Group Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
API Standard Single Bow Spring Centralizer for Casings:
Casing centralizer
1. Introduction of casing centralizer
The casing centralizers are used to protect sucker rod to reduce
wearing.
2. Material
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. Structure
3.1. One or double bow without welding
3.2. Rigid type
3.3. Roller type
4. Specification
4″×5-7/8″, 4-1/2″×6-1/8″, 5″×61/2″, 5-1/2″×8-1/2″, 7″×8-1/2″,
7-5/8″×9-1/2″ , 8-5/8″×10-5/8″, 9-5/8″×12-1/4″, 10-3/4″×14-3/4″,
13-3/8″×17-1/2″, 16″×20″, 20″×26″
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 |
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.
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