group nameDrilling Rig Accessories
Min Order1 piece
modelHDS, 27-HDP, 20-HDP, MDS, 20-MDP, 17-MDP, LDS
update timeMon, 08 Apr 2013 00:04:49 GMT
Processing Type Forging
certification API
After-sales Service Provided Engineers available to service machinery overseas
application oilfield solid control
Warranty free for one year
Operation simple and easy
Min Order1 piece
Roller kelly bushing
1.Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe.
2. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life.
3. Change different rollers to match with different squares and hexagona l kelly pipes and connect with different rotary tables.
4. Two transmission styles (square and pinconnect) are available. The product is designed and manufactured according to API Spec 7K “Specification for Drill Equipment”
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 |
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