The DRRD series of pneumatic twin-piston semi-rotary drives is designed for handling and assembly operations. The series offers high load capacity at torques from 0.2 to 112 nm. The optimized housing and piston drive design accommodate harsh industrial conditions. Series sizes 16 and above can be equipped with an end-position lock for mechanical locking in the end- or mid-position. Also available are a fully sealed variant for wet or dusty environments and an external position-sensing version with sensor mounting.