Characteristic:

1. Welded bow spring centralizer with hinged pin design is available and widely applied in the well and easily installed over stop collars or couplings on all standard casing grades.
2. The bow spring centralize can improve the cement flow in the shortest time.
3. Various height of welded bow spring centralizer can be available to offer excellent restoring forces.
4. This bow centralizer increases the holding force by adding evenly spaced integral set screws to assist the welded straight bow springs, a stop collar or coupling is not required with this centralizer.
5. The bow of welded bow centralizer is made of high grade spring steel which is heat treated,can provide maximum standoff during cemention and any bow height is available to provide excellent restoring forces.
6. The rigid end collar is hinged type,it provide solid support for end bands,it is aslo easy installation.
7. All the welded bow spring centralizers are tested and meet or exceed API specification 10D for reliability and durability during operations.