Double acting or single acting (spring return) models available

Scotch yoke construction and two pistons in double split cylinder provide a high output torque stably

Ideal for the on-off switch or adjustment of large sized ball valves and butterfly valves, and other occasions when 90° rotation is needed

Heavily chrome plated cylinder wall and piston shaft for good abrasion resistance

All sliding components supplied with lubrication-free bearings and guide rings, ensuring durable, smooth operation.