| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1 Year |
|
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Roller kelly bushing is a necessary tool for drilling, by matching with rotary
square to drive kelly pipe. Through the rotation of four rolls, the friction between
rolls and kelly pipes is reduced to extend service life. Change different rollers to
match with different squares and hexagonal kelly pipes and connect with
different rotary tables. Two transmission styles (square and pinconnect) are
available. The product is designed and manufactured according to API Spec
7K "Specification for Drill Equipment".
Applicable Industries: Energy & Mining
Use::Well Drilling
Place of Origin: Shandong, China
Brand Name: Zhao Xin
Material: Alloy
Type:HDS,27-HDP,20-HDP,MDS,20-MDP, 17-MDP,LDS
| 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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