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beyond anything www.kiswire.com Riser tensioners being installed on a drilling platform. By changing the distance between sheaves, the tensioners compensate for wave-induced movement of the platform to maintain constant tension on the cables supporting the riser that extends from the platform to the seabed. Criteria The most applied Riser Tensioner ropes are in the constructions 6x41WS+IWRC in Lang lay version. A Lang lay rope performs better on fatigue than a regular type. Nowadays, these ropes are often coming with a plastic infill between the IWRC and the outer strands. This infill avoids internal wear of the rope substantially. Since tensioner lines come to the end of their service life due to fatigue, a better alternative would be the 8x31WS+IWRC construction. This 8 strand type of rope, including a plastic infill would bring the highest resistance to fatigue. If laid out in Lang lay as well, this type of rope justifies high hopes and expectations on performance and life time. Compacted Riser Tensioner ropes would bring advantages as to surface pressure performance. On the other hand, compacted ropes are less flexible than regular round strand ropes. See our data sheets for more detailed information. Paragraph Surface Pressure. Riser Tensioner Lines Kiswire is the largest wire rope producer in the world. Annually, about 140.000 tons of wire rope is delivered, worldwide. For decades, Kiswire is specializing in the development and production of wire rope. Meanwhile, the company has acquired a reputable and leading position in a great variety of markets, in literally all corners of the world. The offshore industry is one is a main market for Kiswire since 25 years, meanwhile.