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Bauer Kelly bar
- Product No.:201494104125
BAUER KELLY BAR
Bauer kelly bar is one of a most import parts used in Bauer rotary drilling rig, when you start a bored pile work or drill shaft, pillar, cassion work, you need
to choose the correct type kelly bar as per the land layer, if it hard layer shaft/ pillar work,you need to choose a interlocking kelly bar,
if it is a shoft layer bored pile work, you should choose a friction kelly bar.
crowd system concurrently to the drilling tool. A kelly bar consists of 2 – 5 telescopic
tubular sections with a system of drive keys and lock recesses, welded onto their
outer surfaces. Standard kelly bars are fabricated with a total of 6 drive keys on each
section. The tubular kelly sections are manufactured from high-tensile seamless steel
tube to ensure minimum weight at adequate strength.
Locking system
Standard kelly bars are delivered as fully lockable system with a mechanical locking mechanism
between each element and between outer bar and rotary drive, 4-element kelly bars can be supplied as non-lockable friction kellies as option.
Our Kelly bars can be suitable for variety of hydraulic rotary drilling rigs such as BAUER, IMT ,
SOILMEC etc., the high quality steels and components together with quality system ISO 9001 make
our Kelly bars have the highest reliability.
Main features of Kelly bars:
● 2 to 6 elements telescopic Kelly bars for Piling
● The depth range is from 10m to 110m
● Torque transfers capacity from 80kNm to 500kNm
● Interlocking Kelly bar
● Friction Kelly bar
● High quality seamless steel pipes
● 6 cams and drive ribs made of special steel materials
● Top flange for connecting Kelly bar to Kelly swivel
● Upper or lower spring shock absorber
● Drive pipe that transfers torque and crowd force to the Kelly bar
● Standard or customized square Kelly box for connecting all types of drilling tools
Mechanical interlocking Kelly bar Outer Diameter (mm) Elements Maximum drilling depth (m) Retracted length (m) 254 2 or 3 10 to 30 6.45 to 11.45 292 2 or 3 15 to 42 9.35 to 18.20 298 3 15 to 33 7.35 to 13.35 305 3 or 4 12 to 36 5.75 to 10.50 343 3 or 4 15 to 48 7.30 to 14.15 355 4 18 to 43 6.00 to 13.00 368 3 or 4 18 to 52 8.40 to 15.40 377 4 40 to 48 11.00 to 15.00 394 3 or 4 21 to 64 9.70 to 18.70 406 4 29 to 62 8.50 to 16.50 419 3 or 4 24 to 68 10.70 to 19.70 440 2 or 4 18 to 65 13.00 to 15.00 470 3 or 4 24 to 64 10.70 to 19.25 482 4 31 to 67 10.50 to 16.50 508 4 25 to 53 7.50 to 14.50 559 3 ro 4 30 to 72 13.75 to 21.75
Products Category
- Casing Oscillator
- Cluster Drills
- Casing
- Kelly Bar
- Micro pile drilling system
- CFA Auger
- Drilling Bucket
- Core Barrel
- Belling Bucket
- Full Displacement Tools
- Desander
- CMP Rolling Machine
- Roller bit
- RCD Drilling System
- Hammer Grab
- Diaphragm Wall Grab
- Tremie Pipes
- Vibroflotation Equipment
- RC Drilling rod
- Drilling Auger
- Multi-Shaft Auger Machine
- Cutter pick
- Pile Breaker
- Hydraulic vibratory hammer
Contact Us
Tel: +86 10 57133886
Fax: +86 10 82893390
E-mail: [email protected]
Add: No.3-1-1904, Zhujiangmoer International Building, Beiqinglu road, Changping distict, Beijing, PRC