Model GFZ-D Polymer Centralizer 
Model GFZ-D Polymer Centralizer
Features /
1.Good resistance to wear.
2.Light weight and low friction factor allow easier casing running and rotation.
3.Can be run in vertical, highly-deviated and horizontal wells.
Technical Parameters /

Casing size

Hole size

Max OD

in

in

mm

in

5-1/2

8-1/2

210

8.268

7

8-3/8

207

8.149

7

8-1/2

210

8.268

7-5/8

9-1/4

227

8.937

7-5/8

9-1/2

233

9.173

7-5/8

9-7/8

242

9.527

9-5/8

12-1/4

303

11.929

13-3/8

16-1/2

402

15.827