ROTORK > PRODUCT > ROTORK Description Introducing the GT Range GT Range single- and double-acting pneumatic piston actuators. Design Single- and double-acting pneumatic piston actuators (rack and pinion) Action Standard 90°, optional 120°, 180° , 240° or custom angles Stroke adjustment -5° to +5° from 90° position Single and double end stop options Torques 2.4 to 15,300 Nm (135,400 lbf.in) Air pressure 2 to 10 bar Supply Filtered air PNEUROP/ISO class 4, other fluids on request Materials Extruded aluminium body with cast aluminium end caps ? optional surface treatment available Corrosion resistant cylinders and nickel-plated pinion Catalog Download