Dongying Kangyu petroleum Engineering Technology Service Co.,Ltd |
Roller kelly bushing technical parameters:
Model | HDS | 27-HDP | 20-HDP | MDS | 20-MDP | 17-MDP | LDS | ||
Type | Heavy | Medium | Light | ||||||
Max.torque | N.m | 32365 | 22555 | 13729 | |||||
ft.lbf | 23871 | 16636 | 10126 | ||||||
Drive Mode | Square | Pin | Square | Pin | Square | ||||
Square | mm | 76.2~152.4 | 63.5~133.35 | 63.5~133.35 | |||||
in | 3~6 | 21/2~51/4 | 21/2~51/4 | ||||||
Hex | mm | 76.2~152.4 | 76.2~107.95 | 76.2~107.95 | |||||
in | 3~6 | 3~41/4 | 3~41/4 | ||||||
Size | mm | 630×630×740 | 630×630×780 | 493×493×696 | 510×510×720 | 458×458×700 | 508×508×700 | ||
in | 24.8×24.8×29.1 | 24.8×24.8×30.7 | 19.4×19.4×27.4 | 20×20×28.3 | 18×18×27.5 | 20×20×27.5 | |||
Weight | Kg | 700 | 730 | 670 | 420 | 460 | 340 | 400 | |
lb | 1540 | 1610 | 1470 | 924 | 1012 | 750 | 808 |