Full definition
Linear actuator converting hydraulic pressure into force and linear motion. Extension force = P × bore area; retraction force = P × (bore area − rod area). Types: single-acting, double-acting (most common), telescopic, differential. Standard strokes: 25-6,000 mm. Design standards: ISO 6020/1, ISO 6022. Internal finish: ground Ra 0.4 µm. Brands: Parker, Bosch Rexroth, Sheffer, Yuken, Hänchen.