The Hirotaka Seiki PB-100--28 Pneumatic Air Oil Booster Cylinder is an industrial booster unit that uses compressed air to actuate hydraulic oil pressure, enabling higher force in compatible systems. Designed for automation and tooling setups, it boosts hydraulic output from a low-pressure air source. Operating pressure is 0.3–0.7 MPa, and the model is PB-100--28.
