Traditional V-Belts are manufactured with cross-sections Z, A, B, C and D where the letter designates its cross-section and the number corresponds to a nominal internal length in inches and to DIN standard e.g. 13x1320Li, where the first number denotes the width in mm, and the second number is the internal length in mm. Dunlop V-belts have specially treated jackets to give superior anti-static, heat and oil-resistant properties and are static conductive to ISO1813.
B Section