| After-sales Service: | Support |
|---|---|
| Warranty: | Support |
| Certification: | API |
| Surface Treatment: | Without Processing |
| Centralizer Type: | Elastic |
| Structure: | Roller |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Simple construction:
1)strict API standard
2)First-class reputation from registered customers
3)Delivery on time
4)Standard seaworthy packing
The bow springs of this centralizer have two types as follow: Non-welded single bow spring centralizer and non-welded double bow spring centralizer. The centralizer are attached to the end rings without welding. The bow spring casing centralizer bow end is connected to the end rings with a locking tab that bears the load force on the centralizer.
The centralizers are supplied in hinged segments joined by hinge pins in each segment. All non-welded centralizers meet or exceed the requirements of API Specification 10D, which dictates the minimum restoring and maximum starting forces for centralizers for various casing/hole size combinations.
Advantages:
1) Designed for high restoring force and low running force.
2) End collars are designed with self-locking action, which are easy to assemble.
3) Undergo special coating process to prevent from rust.
4) Can be shipped in half assembled condition for economy in shipping and storage costs.
| NO. | Size (in) | ID(mm) | Height | OD |
| (mm) | (mm) | |||
| 1 | 5-1/2"*7" | 142-148 | 305 | 215 |
| 2 | 5-1/2"*8-1/2" | 142-148 | 305 | 225 |
| 3 | 6"*8-1/2" | 156-158 | 305 | 235 |
| 4 | 7"*8-1/2" | 181-186 | 400 | 235 |
| 5 | 7"*9-5/8" | 181-186 | 400 | 255 |
| 6 | 7-5/8"*9-5/8" | 197-201 | 400 | 275 |
| 7 | 9-5/8"*12-1/4" | 250-255 | 650 | 330 |
| 8 | 13-3/8"*17-1/2" | 342-347 | 650 | 450 |
We shandong yacheng petroleum technology are established in 2003 year, located in Dongying city, shengli oilfield, which is the second largest oilfield of China.
Our business scope includes oilfield equipment supply, such as, drilling equipment and spares, wellhead equipment ,oil recovery equipment. We have been served Sinopec -Shengli oilfield in the last 19 years, established a solid partnership and network with quality OEM factories. Based on our responsive and responsible engineering & commercial team, we can provide one-stop shop service to our customer, and package plan of procurement which brings added value in terms of delivery time, fair prices, inventory in stock.
We are Looking forward to build up partnership with your company and provide our attentive service to you.
1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.
Suppliers with verified business licenses
Audited Supplier 
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