... , SPC; A, B, C, Z, wrapped V-belts, raw-edge V-belts, cogged V-beltsV-belt pulley specifications: 1) European standard: ... , SPC; up to 10 grooves b) Adjustable speed V-belt pulleys and variable speed pulleys c) Flat belt ... BKH, 2BK, 2BKH, 3BK e) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M3) ... , duplex, triplex and plate-wheel sprockets are available V-Belt Pulleys SPZ/8, SPA/1, SPA/2, ...