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To allow cables to be used for moving applications on ships and offshore applications without the need for time-consuming and cost-intensive special approvals, igus® GmbH and the DNV-GL classification company developed a new test procedure with the result that a total of 387 chainflex® cables from igus® have now received type approval for permanent movement in e-chains®. Therefore, these are the world's first cables that are specifically for use in energy chains and have received this certificate.
In order to supply safe and suitable products for these applications, igus® GmbH from Cologne worked with the DNV-GL classification company to develop a new testing procedure and to have their chainflex® cables certified.
Development of new test procedures necessaryClassification companies such as DNV-GL typically issue approvals that are in line with international standards. In many cases, especially in terms of the materials, these standards refer to many properties in respect of fire behaviour or other requirements.
Over a long certification time of more than three years with very different areas of investigation, the special knowledge of the two companies led to a situation where cables were designated for use in energy chains on ships and in offshore applications for the very first time.
What challenges, what advantages do automation and digitalisation bring to the maritime industry? How can companies meet the strict test criteria to have components certified by competent institutions such as DNV GL? What opportunities arise for suppliers, plant constructors and operators of drilling platforms and ships through the use of certified components such as cables?
Control cables
chainflex cables CF9.UL and CF10.UL (PDF), CF77.UL.D and CF78.UL (PDF)
Bus cables
chainflex cables CFBUS.PUR(PDF), CFBUS (PDF), CFBUS Ethernet (PDF), CFBUS.PUR Ethernet (PDF)
Fibre optic cables (FOC)
chainflex® CFLG.LB cables. PUR (PDF)
Measuring system cables and data cables
chainflex cables CF111.D and CF113.D (PDF)
CF112 and CF211.PUR (PDF) CF240.PUR (PDF)
Motor cables and servo cables
chainflex cables CF300.UL.D, CF310.UL and CFPE (PDF), CF27.D (PDF) CF34.UL.D and CF35.UL (PDF)
NEK 606 is a Norwegian standard for all cables used in offshore applications. 301 chainflex® cables from igus® are complied with the requirements of the NEK 606 standard.
The roller energy chain has been the tried-and-tested energy supply for long travels for about 20 years. The successful design that characterises all our linear energy chain systems is supplemented by rollers made of stainless steel, which upgrade the energy chain to an energy supply for heavy-duty applications. As the energy chain rolls and does not glide, it runs silently and with low vibration. The wear is significantly lower than with a design without rollers, and the power needed for the movement is also about 57% lower.
Some 700 tests are being run in parallel at the test laboratory covering 2,750 m2, the largest of its kind for testing flexible cables.
