The Actreg ASR2100-F16-DS46 is a spring return (single-acting) rack and pinion pneumatic actuator, providing 90° (quarter-turn) rotation.
It has an anodised aluminium housing and is rated for an air supply pressure of 2.5 to 8 bar.
Valve mounting is to the F16-DS46 pattern, with a 46 mm shaft.
It carries a SIL 3 rating for use in safety instrumented systems.