| Model: | BX27/8"-61/4" |
|---|---|
| Brand: | MDX |
| Origin: | Made In China |
| Category: | Industrial Supplies / Other Industrial Supplies |
| Label: | Roller Kelly Bushing , Roller Kelly Bushing , Roller Kelly Bushing |
| Price: |
US $1950
/ pc
|
| Min. Order: | 1 pc |
| Live Chat: | Last Online:26 Mar, 2014 |
Description:
Roller Kelly Bushing is an essential petroleum drilling tool, and can be equipped with rotary slips, so as to drive Kelly bar. The product reduces its friction with Kelly bar by the rolling of four rollers in order to prolong its life. The product can also fit to foursided or sixsided Kelly bar by charging roller, and then connect it with various rotary tables, with two drive methods, namely, square drive and pin shaft drive. This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on shore drilling operations.
The Roller Kelly Bushing is simple in operation, convenient in installation and perfect in safety performance. It can be applied to rotary table from 17 1/2” to 49 1/2”, and handle kelly sizes from 3” to 6” square or hexagonal.
Specification of Roller Kelly Bushing
|
Kelly Size(hex/sq) |
(mm)Elevation |
(mm)Bedplate Size |
Tapering |
|||
|
in |
mm |
Top |
Lower |
Opposite Side |
Large End |
|
|
3 |
76.2 |
406 |
356 |
332 |
φ332 |
1：3 |
|
3 1/2 |
88.9 |
|||||
|
4 1/4 |
107.95 |
|||||
|
5 1/4 |
133.35 |
|||||
|
6 |
152.4 |
|||||
