The Valbia SR52S.05 is a high-quality, compact spring return pneumatic actuator designed for reliable automation of quarter-turn valves, such as ball and butterfly valves. Its robust construction features a hard-anodized extruded aluminum body for excellent corrosion and wear resistance. The dual piston rack and pinion design ensures a constant and smooth torque output throughout the stroke. Compliant with international standards like ISO 5211 and NAMUR, the SR52S.05 allows for easy and direct mounting of valves and control accessories, making it a versatile solution for a wide range of industrial applications.