SEMPERTRANS® standard RANGE, Cover of grade D (superior quality anti-abrasive), X, Y or Z (as per DIN 22102) The range indicated in this table is our standard range. On order, manufacturing is possible: - in specific cover thicknesses of 3+1.5 to 15+10 - in belts with moulded edges or cut edges - in all the cover grades specified on pages 66 ...