The foundation of the warping roller shall be determined by the manufacturer in accordance with the standard of ISO13755. The roller fairlead is made from steel casting having a yield point of not less than 205N/mm2 or steel plates having a yield point of not less than 235 N/mm2 and the Axl is made from weldable steel casting having a yield point of not less than 350N/mm2 or equivalent. The warping roller has three types including type A which is made of steel casting without upper dust cover, type B which is made of steel casting with upper dust cover and type C which is made of steel plate with dust cover depending on the construction.
● Flexible bearing or axle;
● Smooth surface coated externally with an anti-corrosion protective finish;
● Anti-seawater material.