The wear coating gives the ring high long-time stability and makes it particularly suitable for operation mainly in diesel engines. The profile grinding of the lands allows close tolerances to be achieved on these critical working surfaces....
A bevelled edge ring made from high-chromium profile steel. Wear protection is provided by nitriding the ring all over. Like the chromed bevelled edge ring, this ring is chiefly used in diesel engines. Oil drainage is provided by means of punched...
A slotted oil control ring with two outer lands, the sides of which are parallel to one another. As the width of the lands is smaller than the overall width a higher unit pressure can be obtained than with a rectangular ring....
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