Equipped with servo-driven cap elevator-feeder, which features adjustable cleats and indexes on demand, beltorque® caps up to 300 bottles/min. Two-station system uses 2 pairs of belts to gently rotate and tighten caps. One drive synchronizes linear displacement speed of container with rotating speed of closure, eliminating damage. System handles round, oval, square, and rectangular bottles made of plastic or glass from 2–12 in. in height and from 0.5–7 in. in dia with caps up to 4.75 in. in dia.