Unisite Group Ltd.
Model No.: USA-249
Certificate: BV CCS
Dimension: As Per Drawing/order
Inspection: Material, Construction, Dimension, Welding Seam, N
Standard: AISI, ASTM, BS, DIN, GB, JIS
Surface Treatment: Painted
Type: Butt Welded
Tolerance: High Accuracy(ISO2768, ISO5817), Within 1mm
Outer Diameter: 500 - 2000 Mm
Material: Outer Casing Steel(S335J2G3,DH36,S690Q)+casting Li
Double Wall Pipe: Double Wall Steel Pipes Design
Packaging: bulk package and bulk vessel transportation
Place of Origin: china mainland(zhejiang)
Double Wall Pipe is used in Trailing Suction Hopper Dredger, Effective resistance to the wear and tear of pipe fittings during transportation of sediment and other material. Outside steel carbon pipe, inside casting liner, between them there is unshrinkable concrete.
Provide service and relevant parts for dredgers, including Dredger construction, repairing and maintenance.
Provide items for dredging, land reclamation, offshore, marine engineering, piling works,municipal engineering, mechanical,engineering, oilfield projects and environmental remediation projects.
Our products all over the world:
1. 2005 Palm island construction in Dubai: the large quantities of dredging pipeline including sink pipes, shore pipes with flanges and pontoons
2. 2005 Waterways dredging projects : the large quantities of pipeline, connected pontoons.
3. 2006 Waterways dredging projects: the large quantities of pipeline, connected pontoons.
4. 2007 Waterways dredging projects: the large quantities of pipeline, including sink pipes, shore pipes with flanges and pontoons.
5. 2008 Waterways dredging projects: the large quantities of pipeline, connected pontoons, floating pipelines and bends.
6. 2008 Capital dredging for a third berth at Anderson point in port Hedland in Australian: the large quantities of lsaw pipes
7. 2009 Waterways dredging projects: the large quantities of pipeline, connected pontoons and bends.
8. 2010 Environmental works:pontoon for work platform and pipes
and till now, above just a little projects we involved in.
Besides above the general specifications, we can also supply some specific pontoons and other similar steel structure as clients' requirements.
Package and shipping
bulk package and bulk vessel transportation
frame container package and frame container transportation
- Material certificates EN10204 3.1
- Inspection protocol
- NDT reports
- Fixed certificate: ISO9001, BV certificate, CCS certificate
Our office/plant/equipment as follows:
Photos of our Double wall steel pipes design
How to contact us?
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