Steel Pipe Ends Expander
Specification range of steel pipe
1. Pipe diameter range: φ457~φ1422 mm
2. Wall thickness: 6~22mm
3. Max.steel grade: X80
4. Pipe length:6000~12500mm
5. Efficient length expanded: flat and straight section: max 150mm(100~150mm adjustable);
transiting section: 100mm
6. Expanding rate(max): 1.5%Diameter;
7. Producing speed: less than φ711mm, 1pcs/3 min
More than φ711mm, 1pcs/ 4 min
8. After expansion the steel pipe will meet the following standard:
Ovality: 0.6%D( ensure the expanding rate no less than 0.5%)
Diameter (by measuring to the perimeter) D -0.5 +1.6
9. The requirement to the rough of steel pipe:
Confirm with the requirement to the pipe precision of APIspec5L standard (the 42th edition), and
the welding seam within 250mm from ends of the pipe has been grinded, and
the surplus height no more than 0.5mm.
- Meeting the requirement of the APIspec5L standard (the 42th edition)
- Parallelly arranged two expanders as one group, and whose the expanding heads are staggered
each other, and the center distance is decided by the buyer.
- Water cooler for the hydraulic system.
- 0--500mm axially moving stroke for expanding head.
- With defend-bump device surrounding expanding disk.
- Adjustable expanding head center.
- Expanding head center can align the expanding axial line.
- Free-popullution for inner wall of steel pipe when lubricating expanding head
- Dustproof and protecting device designing for the pyramid of the expanding head.
- Fast brake designing for roller road when axially moving steel pipe
- PLC controller
1. The Seller has passed ISO9001 quality system certification since 1997, and always execute strictly this quality
management system in our company and on our products.
All products before ex-works have been strictly tested and are in conformity with technical agreement and
2. Warranty is one year since the date of B/L, or final acceptance date of heavy duty machinery. Longer warranty
could be purchased by the user.
3. Commissioning: For heavy-duty machinery, the Seller sends technicians (electrical hydraulic & mechanical)
to guide the installation, testing and training the operators from 7 days to 45 days after the machine
reaches the factory of user. But the round-trip air tickets, local accommodation and allowance
(USD100/person·day) in the User's country will be burdened by the Buyer. The above charges do not be
included in the offer. This clauses will be shown in the contract.
3. For middle and small standard machinery, it is easy to operate according to operating manual. The User is
firstly suggested to carefully read operating manual, then start the machine. Any unclear issues, please feel
free to contact the Seller.
If the User insists on supplying the technical service at use's factory, please refer to No.2 clauses of after-sale-
4. All products of the Seller can be tracked by Ex-works number. Spare parts can be supplied same as the former,
which is helpful for customers' special designing requirements.
5. Consumable parts can be supplied free of charge to customer within one year warranty from B/L date, and the
long term technical consultant service is available.
6. Common failure could be solved by E-mail, Phone and long distance video diagnose. The User must supply full
failure description, clear pictures and videos, if possible.
Once the serious quality problem is appeared due to the Seller's manufacturing reason within one year since
B/L date or final acceptance date of heavy duty machinery. The Seller will send their technician to repair it .
7. After one year warranty, the Seller will provide free technical consultation and spare parts and technician
service at lowest cost.