Customized Piling Double Wall Casing With Tempered Steel Joint

Customized Double Wall Casing With Tempered Steel Joint For Piling

 

Application:

1. Casing is used to minimize loosening of the soil structure around the pile during the drilling process.

2. Casing tubes must run ahead of the drilling process,to forestall loosening of the soil structure below the bore hole bottom.and the drilling bucket needs to be chiseled in advance when pile casing drives the increased torque to difficult.

3. Casing tubes have the function of cutting the soil structure with a casing shoe,to support the bore hole temporarily,and by preceding the excavation,to forestall loosening of the ground structure.

 

Description:

BJTUFF casing tubes are available in single or double -walled options .the great wall thickness of the tube ensures high rigidity.

Double-walled casings can be used universally, as they are designed especially for transmitting high rotational and vertical forces as created by the rotary drives and oscillators. The use of double-walled casings ensures a flush drilling string.

Single-walled casings can be used for applications where weight reduction is important.

 

Feature

 

1. The technical parameters and processes of the products are in line with the Bauer standard;

2. Deformation and accuracy is strictly controlled through heat treatment,each casing is interchangeable;

3. BJTUFF casing joints are manufactured from tempered steel.The casing joints with high machining accuracy guarantee a fast replacement and bolting of the casings as well as the best force transmission effect.

4. Keys make for simple and fast centric aligment of the two sections ,and conical casing screws guarantee a positive ,tight fitting connection -without the screws,the joint is not capable of the transferring the high torques.

5. The development of a casing shoe fitted with pin-on teeth is the result of years of experience of drilling casing boreholes in difficult soil formations. The casing shoe is particularly suitable for formation of rock sockets and the construction of bored pile walls.

6. BJTUFF casing shoes cut the soil structure and ease penetration for the casing tube ,these casing shoes meet the most exacting demands for all types of soil ,from soft clay to dense gravel ,and for primary piles secant type pile walls.

 

Model List:

 

 

Casing Dia.	Inner Shell THK.	Outer Shell THK.	Casing THK.	Bolts No.	Weight(3 meter)
680-600	8	12	40	8	1090
880-800	8	12	40	10	1335
1080-1000	10	16	40	10	2180
1280-1200	10	16	40	12	2480
1600-1500	12	20	50	16	3910
1800-1700	12	20	50	16	4435
2000-1880	16	25	60	18	5900
2500-2380	16	25	60	18	7310
Remark : All measurements are in millimeters, weight in kilograms.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tips of casing and tubing for piling project

1. The pipe casing should avoid to the collision, especially of casing joints knock against when install the casing bolts, it must be clean, otherwise it will cause the difficult installation.

2. The drilling bucket needs to be checked position and verticality of hole, to avoid opening the door at the hole bottom when lift the drilling open and closed again against to casing shoes.

3. You must be tested all movements of pulling machine normally before concreting. Pull up pipe casing immediately to prevent steel trunk floating after the end of grouting.

 

Product advantage:

1- We purchase top quality raw materials from leading raw-steel factory.

2- Our drilling tools can be customized depending on kinds of rigs and site conditions.

3- We require high quality of welding, therefore we employ at least 8 years experienced welders.

4- Understand what customers need and provide what customers want, We provide one-stop solution for the world’s foundation construction users. 

 

FAQ:

Q1. What does your company produce?

The main products of our company include drilling tools,drilling teeth,casing series,kelly bar accessories and ect.

 

Q2. How do you control the quality of your products?

First,we use good steel GB-Q355B.Our welding stick is flux-cored wire that applied to ship engineering.

Second, We strictly control the process,so If the quality of the product itself has the problem of open welding, we will give compensation;

Third, Customers could contact our sales managers on line/by email/by phone if there are any question during installation or construction, solutions will be given within 12 hours.