Drillmax® Model GS
Full Flow Flapper Type
The Model GS is designed and sized for use in drilling motors and performs well in erosive high flow, and corrosive H2S sour gas conditions. The GS float valve design reduces wear on the hinge pin and spring assembly and allows double stacking of GS float valves.
| 1F2R | 4F |
| 2F3R | 4FGS* |
| 3F | 5R |
| 3 1/2 IF | 5F6R |
| 4R |
