Semi-rotary drive DAPS-0053-090-RS1-F0507 Single-acting, air connection as per VDI/VDE 3845, Namur valves can be directly flange-mounted Size of actuator=0053, Flange hole pattern=(* F05, * F07), Swivel angle=90 deg, End-position adjustment range at 0?=-1 - 9 deg, End-position adjustment range at 90?=81 - 91 deg