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Home > Products > Dredger and Shipping Building Parts > Double Wall Pipe > customized high pressure double wall corrugated pipe for dredger (USC6-005)

customized high pressure double wall corrugated pipe for dredger (USC6-005)

Product Description

Specifications double wall corrugated pipe

High accuracy, ensure the angle, chord length, concentricity

With the most reasonable WPS

  Product Description  What is the specifications of our double wall corrugated pipe customized high pressure double wall corrugated pipe for dredger   A. General High accuracy, fully welded, painted construction can be used for trailing suction hopper dredger, Suction Pipe plays an important role. It is approved BV Suction pipe system ensure full control of the drag head on the bottom, transport the dredge mixture to the hopper, then transmit the trailing force from the drag head to the ship and support pipes and cabling.   B. Construction The construction is to be built according to the drawing with rules of good workmanship and to be built the longitudinal frame system. All penetrations of longitudinal through transverse bulkhead are closed with slot plate or stiffeners are interrupted at bulkhead and continuity is realized with brackets, to ensure to avoid any abrupt changes in strength structures.   C. Procedure Welding seam preparation—Pre roll bending of plate tip—Rolling—Longitudinal welding (SAW),inside then outside—Crossing welding (SAW) between part tubes to form the whole pipe—US testing and repairing—Adjusting—Assemble other part   D. Materials All fabricated steelwork used in the construction of the suction pipe will be to manufacturing standard of classification society BV, GL, LR, DNV, especially for neck flange. All steel used to be blasted and shop primed both sides. Using DH36 All materials proposed will be selected to comply with the latest Health and Safety Rules. Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun)   E. Welding All welding will be performed in accordance with drawing and order and UniSite experience and all welding will be continuous and full penetration. Welding seam preparation, welding method, welding material and consequent preheating temperature acc. to UniSite standards and approved by clients.   F. Workmanship The workmanship have good marine practice. Care are taken to ensure fair lines, smooth surfaces and neat welding.   G. Main particulars



High accuracy(ISO2768, ISO5817, ISO13920)


Q345D, DH36 other materials


As per drawing, as large as we can






Sa2.5 blasted and two or three layers painted with highest quality


as per clients' requirements


material, construction, dimension, welding seam, non defective test, paint inspection


We made a whole suction system with length 49.3m for world top dredging company.


Recyclable, in line with environmental requirements and standards, and reliable

  H. Certificates - Material certificates by a classification society EN10204 3.1b - WPS - Inspection protocol - NDT reports - Fixed certificate: ISO9001, BV certificate, CCS certificate   Accessories of our double wall corrugated pipe                         A. Main   cable and hoses   Photos of our double wall corrugated pipe                                          Our Services      Besides above the general specifications, we can also supply some specific pontoons and other similar steel structure as clients' requirements.     Packaging & Shipping bulk package and bulk vessel transportation frame container package and frame container transportation   Company Information Company View                                                                             Long-term cooperation with world top dredging and marine companies for more than 10years, UniSite is specialized in providing comprehensive service and parts of dredging, Land Reclamation, offshore, marine, municipal projects. UniSite is one of the most professional dredging and marine companies in design, manufacture, and construction and related products and services. UniSite group has a perfect managing system and our staff who are professional in technology are committed, passionate, efficient.     Safety & quality are the key factors of UniSite group with good QHSE experience and ISO9001/BV certificate. With professionalism, vitality, innovation, respect, team spirit, UniSite culture (corporate values, corporate philosophy and behavior shaping) is continuously developing, along with our company from its foundation. UniSite group is able to offer our client best possible and most sustainable solutions to their requirement. More detail please refer to our website: /      Our certificates                                                                                     FAQ Q1:What is our advantage?   A1:We are specialized in providing comprehensive service as well as relevant items of dredging, land reclamation, offshore projects, marine engineering, municipal engineering, mechanical engineering, oilfield projects and environmental remediation projects   We have the whole advantaged production equipment.
We have a perfect technology system and quality control system which from initial work, to process control, to final control, forming the whole process traceability with a good command of quality and production schedule, ISO,BV certificate.  
Q2:Why choose us?
A2: We have more than 10 years supplying experience for other international top contractors.Our products and service are involved in many business cases and big projects all over the world.
Advantaged equipment, technology, quality, service with good price.      Q3:How long is the delivery time? A3:We will delivery the cargo on the premise of quality guarantee on time according to your quantity.      Q4:How about our inspection? A4: Different products have different ways of inspection.Our inspections have follow types: Material insepction;NDT(UT,MT,RT,PT);Demension inspection;Procession inspection; Assembling inspection;Appearance inspection; Painting inspection...     How to contact us?                                                                      Send your Inquiry Details in the Below, Click "Send" Now!  

Contact us if you need more details on Double Wall Corrugated Pipe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Double Wall Steel Pipe、Double Wall Stainless Steel Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Dredger and Shipping Building Parts > Double Wall Pipe

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