Twelve different models range in size from 1 to 20 tons using 30 to 100-psi air pressure with a single pneumatic directional-control valve for operation, and stroke lengths of 0.250 and 0.50 in. The cylinder is capable of 300-cpm operation, depending on size and stroke length.

Aries Engineering Co. Inc., HyperCyl,
130 Aries Dr., Dundee, MI 48131,
(734) 529-8855,