F型箭式柱塞式钻井浮阀

f型箭式柱塞式钻井浮阀
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