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Place of Origin: | China |
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Brand Name: | BJTUFF |
Certification: | ISO9001 |
Model Number: | 500-3000mm or as required |
Minimum Order Quantity: | 1 Piece |
Price: | Negotiated |
Packaging Details: | Wood case outside, plastic cases inside. |
Delivery Time: | 7 days after payment |
Payment Terms: | L/C, D/A, D/P, T/T |
Supply Ability: | 200 Unit/Units per Month |
Name: | Casing With High Machining Accuracy | Drilling DIA.: | 500-3000mm |
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Color: | Black Or Per Your Request | OEM: | Available |
Usage: | Bored Machine /oscilliator/ | Teeth Type: | WS 39 Or Equired |
Material: | 16Mn/25CrMo/35CrMo | Joint Thickness: | 40/50/60mm Or Required |
Highlight: | 35CrMo Double Wall Casing,Double Wall Casing WS39 Teeth,High Accuracy Double Wall Casing |
All Models Double Wall Casing With High Machining Accuracy For Working Efficiently
Application:
1. Casing is used to minimize loosening of the soil structure around the pile during the drilling process.Under the cutting of the casing shoe,the bore hole of loosening groud struction is supported temporarily.
2. BJTUFF casing tubes have two types :single wall casing and double wall casing.
Double-walled casings can be used universally, as they are designed especially for transmitting high torque as created by the rotary drives and oscillators.
Single-walled casings can be used for applications where weight reduction is important.
Feature
1. BJTUFF casing joints with high machining accuracy and heat treatment guarantee a fast replacement and bolting of the casings as well as the best force transmission effect.
2. 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.
3. 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.
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 and the casing screw 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.
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-Q345B.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.