Model GFZ-E Zinc Alloy Centralizer 
Model GFZ-E Zinc Alloy Centralizer
Features /
1.Protects casing from electrochemical corrosion.
2.Low friction factor allows easier casing running and rotation.
3.Maximized flow area.
4.Can be run in vertical, highly-deviated and horizontal wells.
Technical Parameters /

Casing size

Hole size

Max OD

in

in

mm

in

4-1/2

5-7/8

146

5.748

5-1/2

8-1/2

210

8.268

7

8-1/2

210

8.268

7-5/8

9-1/2

233

9.173