559mm Diameter 20.4m Length Rotary Drilling Rig Kelly Bar Swivel
Kelly bars can be divided into friction and interlocking Kelly bars by methods of applying pressure and structural features. Friction Kelly bars(also called as friction bars) are generally suitable for soft soils conditions, such as soils, sands, etc., while interlocking Kelly bars (also called as interlocking bars) are generally suitable for hard soils conditions, such as cobbles, rocks, etc. We are now capable of manufacturing 3-element, 4-element and 5-element interlocking Kelly bars, as well as 4-element, 5-element and 6-element friction Kelly bars.
Technical Parameters
| Model | Out diameter (mm) | Length(m) | No.of sections | Nominal Torque(KN.m) | Matched with |
| SW-JS394-3*16.2 | 394 | 16.2 | 3 | 360 | BAUER BG25 |
| SW-JS394-4*16.2 | 394 | 16.2 | 4 | 280 | BAUER BG25 |
| SW-JS406-4*15.5 | 406 | 15.5 | 4 | 300 | SLILMEC SR70 |
| SW-MZ406-5*16.2 | 406 | 16.2 | 5 | 280 | BAUER BG25 |
| SW-JS470-4*25 | 470 | 25 | 4 | 400 | BAUER BG40 |
| SW-JS559-5*20.4 | 559 | 20.4 | 5 | 480 | BAUER BG48 |
Main Features
1. After-sale and your any inquiried will be dealed within within 24 hours.
2. Desigened according to advanced Modular-element principle with six ribs laid on tubes.
3. The advantages of our Kelly bar, such as low weight, high strength, high abrasion-resistance, high-reliability are safeguarded.
4. Take use of alloy seamless tube imported from Germany Mannesmann or locally-made. Special hot-treatment enhances the material's strength more than 800Mpa.
5. Ribs made of alloy hot-treated specially enjoy both high hardness and perfect welding performance, high abrasion-resistance leads to high-reliability.
6. Square-stub through forging and heat treating have excellent mechanical properties.
7. Small clearance and high-precision mating of the drill pipe ensure its good working order and service performance.
8. Steel pipes through shot blasting have high surface quality and fatigue strength.
9. Automatic welding equipment can reduce welding defects and promote the reliability of weld seam.
10. Fulfill the rotary drilling rig full torque operation.
Any further information about the specification, after sale service, price,etc, please feel free to contact with us.
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559mm Diameter 20.4m Length Sinovo Kelly Bar Swivel Images
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