rotary drilling kelly bar
- 50 Set / Sets per Month
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Product Details
Condition: | New | Efficiency: | high | Piling Speed(m/min): | 30 U / min |
Place of Origin: | Beijing, China | Brand Name: | JT Kelly bar | Model Number: | JT Interlocking kelly bar |
Weight: | 10 Ton | Dimension(L*W*H): | 15*0.3*0.3M | Certification: | ISO9001 |
After-sales Service Provided: | Engineers available to service machinery overseas |
Product Description
Drilling Rig use Interlocking Kelly bar / Friction Kelly bar
Kelly bar is a very important part for rotary drilling rig, because its quality directly affects the work efficiency by transferring up pressure to the down drilling tool. Our patent product(No.ZL2012 2 0161611L0) is a mix type of interlocking Kelly bar and full interlocking Kelly bar and can be variety kinds of match style, Which can be perfectly adapted to complicated geological conditions.
a) Interlocking kelly bar
Interlocking Kelly bar contains two type pressure modes: one type is 3 or 6 external keys with 3 or more concave pressure parts, the other is 3 external pressure strips with full pressure parts on it, which mostly matched IMT drilling rig.
Interlocking kelly bar | ||||
Type | O.D(MM) | Section | Depth(m) | Torque(KN.M) |
JT12 340-3x13 | 340 | 3 | 36 | 120 |
JT12 356-3x13 | 356 | 3 | 36 | 120 |
JT15 377-4x14 | 377 | 4 | 52 | 150 |
JT20 406-4x14 | 406 | 4 | 52 | 200 |
JT22 406-4x14 | 406 | 4 | 52 | 220 |
JT25 445-4x15 | 445 | 4 | 56 | 250 |
JT25 445-3x15 | 445 | 3 | 42 | 250 |
JT25 470-4x15 | 470 | 4 | 56 | 250 |
JT25 508-4x15 | 508 | 4 | 56 | 250 |
JT28 508-5x15 | 508 | 5 | 70 | 280 |
Note: Paragram is only as reference, adjusted can be according to actural demand.
b) Friction kelly bar
Friction Kelly bar is composed 3 or 6 wear-resistant seamless alloy strips by working through friction produced by rotary passing down the pressure force without concave pressure point. This type is suitable for both soft layer and silt layer.
Friction kelly bar | ||||
Type | O.D(MM) | Section | Depth(m) | Torque(KN.M) |
JT12 340-4x13 | 340 | 4 | 49 | 120 |
JT12 356-3x13 | 356 | 3 | 49 | 120 |
JT15 377-4x14 | 377 | 4 | 52 | 150 |
JT20 394-4x13 | 406 | 5 | 36 | 200 |
JT22 406-5x14 | 406 | 4 | 64 | 220 |
JT25 419-5x15 | 419 | 5 | 70 | 250 |
JT25 440-5x15 | 440 | 5 | 70 | 250 |
JT25 470-6x16 | 470 | 6 | 83 | 250 |
JT28 508-6x16 | 508 | 6 | 89 | 280 |
JT30 530-6x18.7 | 530 | 6 | 110 | 300 |
JT40 580-6x18.7 | 580 | 6 | 110 | 400 |
Note: Paragram is only as reference, adjusted can be according to actural demand.
Beijing JieTai Machinery Technology Co., Ltd. has been supply one-stop service for drilling rigs from 2004 year, which specialize in producing Kelly Bar & Accessories for rotary drilling rig, As well as Selling and Maintenance of used drilling rigs.
AS a leading pioneer of China construction machinery industry association for years, JIETAI has been granted dozens of utility model patent by China State Intellectual Property Bureau, which plays an important part in the field of foundation engineering for the research and development. For example, one of our patents (No.ZL2012 2 0161611L0) is a mix type of interlocking Kelly bar & full interlocking Kelly bar and can be variety kinds of match style, Which adapt to complicated geological condition requirement and has been widely used in the actual construction process and support the Bauer, IMT, Soilmec, Mait, LIEBHERR, XCMG, SANY, Lovol, Yutong , CSR,Sunward etc.
We take the pursuit of excellence as our enterprise concept and do intention and work hard as our cultural, constantly devote to supply high quality and good service to all customers from 2004 year. JIETAI sincerely hope to have cooperation with your esteemed company and welcome any agency in your local market!
1. Q: what do you do?
A: Kelly bars & Accessories for rotary drilling rig; Maintenance & Repair drilling rig; Sell used drilling rig.
2. Q: Where is your factory?
A: The capital of China---Beijing, welcome your visit to our factory.
3. Q: What should I tell you in order to get efficient reply of Kelly bar?
A: The model of drilling rig, the depth you need, the out diameter of Kelly bar.
4. Q: How long does the delivery date?
A: About 7-10 days.
Contact Us
- Beijing JieTai Machinery Technology Co., Ltd.
- Contact nameAmy Wu
- Phone86-010-18210143398
- AddressRoom 1717, Floor 14, Bldg. 3, Yard 134, Chengshousi Road
Drilling Buckets & Augers | Drilling Rig Accessories | Kelly Bar | Kelly Bar Accessories |
Maintenance & Repair | New Products | Used Drilling Rigs |
- Casing pipe
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