Product Details
Place of Origin: China,Henan
Brand Name: ZS
Certification: API 11AX
Model Number: 5-1/2"X8-1/2"to20"X26"
Payment & Shipping Terms
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: Metal or wooden case
Delivery Time: 15 work days
Payment Terms: T/T
Supply Ability: 1000sets/month
Type: |
Bow Type Spring Centralizer |
Material: |
Stainless Steel |
Central Multimedia: |
Central Machinery Parts |
Central Hydraulics Scissor Lift: |
Toyota Central Locking System |
Weight (KG): |
10 |
Use: |
Well Drilling |
Color: |
Customized |
Type: |
Bow Type Spring Centralizer |
Material: |
Stainless Steel |
Central Multimedia: |
Central Machinery Parts |
Central Hydraulics Scissor Lift: |
Toyota Central Locking System |
Weight (KG): |
10 |
Use: |
Well Drilling |
Color: |
Customized |
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″
| Technical Parameter | ||||||
| Spring Casing Centralizer | Size(In) | OD(mm) | IN(mm) | Height(mm) | Max Start-up Force(N) | Min Reset Force(N) |
| 20" | 680 | 512 | 575 | ≤16725 | ≥8363 | |
| 13-3/8" | 455 | 342 | 560 | ≤10853 | ≥5427 | |
| 9-5/8"*12-1/4" | 335 | 248 | 560 | ≤7117 | ≥7117 | |
| 7" | 235 | 181 | 560 | ≤4626 | ≥4626 | |
| 6-5/8"*8-3/4" | 238 | 171 | 560 | ≤4270 | ≥4270 | |
| 5-1/2”*8-1/2” | 235 | 142 | 560 | ≤2758 | ≥2758 | |
| Rigid Centralizer | 13-3/8" | 437 | 344 | 180 |
| 9-5/8"*12-1/4" | 305 | 248 | 120 | |
| 7" | 210 | 182 | 120 | |
| 6-5/8"*8-3/4" | 215 | 171 | 120 | |
| 5-1/2"*8-1/2" | 210 | 142 | 120 |
| Semi-rigid Centralizer | Single Bow Spring Centralizer | Double-bow Spring Centralizer |
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| Integral Centralizer | Rigid Centralizer | Rigid Roller Centralizer |
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