F型箭式柱塞式鉆井浮閥

Drill Pipe (DP) Float valves are available for standard service, H2S – 300°F service (HNBR/HSN) and H2S – 400°F service (Viton.)
Model F, FA:1R, 1F2R, 2F3R, 3F, 3½ IF, 4R, 4F, 5R, 5F6R, and 6F
Model G,GA, GC:1F2R, 2F3R, 3F, 3½ IF, 4R, 4F, 5R and 5F6R