VS20W900 DUN Dunlop Variable Speed V-Belt Section_W25 (25mm Pitch) This is followed by a

This is followed by a number e

50) which represents the belts length in inches

4L 500 / 1270 La Garden Belt

4L 180 / 457 La Garden Belt

3L 410 / 1041 La Garden Belt

VS20W900 DUN Dunlop Variable Speed V-Belt Section_W25 (25mm Pitch) This is followed by aOur range of Variable Speed V Belts includes belts conforming to ISO R 1604, they are designated by e. g. the letter W followed by a number e. g. 16 which is the belts width in mm. This is followed by a number e. g. 500 which corresponds to the pitch length Lp in mm. Belts not covered by the ISO standards are designated by a code consisting of a set of 3 numbers e. g. 22 which denotes the belts top width followed by e. g. 8 which denotes the belts