Detailed Description Belt Pulley  1) Many kinds of transmission parts can be supplied, such as pulley, sprockets and taper bushes 2) Idlers are tensioning systems for belt drives and return units; different types of idlers suitable for different belts; the steel sheet idler is newly designed and has better performance than traditional, like lighter weight, better quality, longer lifetime and not easy to split  3) The chain sprocket has A type, B type and C type; simplex, duplex, triplex and plate-wheel sprockets are available V-Belt Pulleys  Features:1) European standard: a) V-belt pulleys for taper bushes: SPZ/1, SPZ/2, SPZ/3, SPZ/4, SPZ/5, SPZ/6, SPZ/8, SPA/1, SPA/2, SPA/3, SPA/4, SPA/5, SPA/6, SPB/1, SPB/2, SPB/3, SPB/4, SPB/5, SPB/6, SPB/8, SPB/10, SPC/3, SPC/4, SPC/5, SPC/6, SPC/8, SPC/10 b) V-belt pulleys for solid hub c) Adjustable speed v-belt pulleys d) Flat belt pulleys2) American standard: a) Sheaves for taper bushes: 3V, 5V, 8V b) Taper bushed sheaves: 3V-1, 3V-2, 3V-3, 3V-4, 3V-5, 3V-6, 3V-8, 3V-10, 5V-2, 5V-3, 5V-4, 5V-5, 5V-6, 5V-8, 5V-10, 8V-4, 8V-5, 8V-6, 8V-8, 8V-10, 8V-12 c) Sheaves for QD bushes: 3V, 5V, 8V d) Sheaves for split taper bushes: 3V, 5V, 8V e) Split taper bushed sheaves: 3V-1, 3V-2, 3V-3, 3V-4, 3V-5, 3V-6, 3V-8, 3V-10, 5V-2, 5V-3, 5V-4, 5V-5, 5V-6, 5V-8, 5V-10, 8V-4, 8V-5, 8V-6, 8V-8, 8V-10, 8V-12, 8V-14, 8V-16 f) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK g) Adjustable sheaves Taper plastic flange guide pulley This kind has many different types.