Hydraulic surface-mounted door closer with slide arm system, designed for standard and fire-rated (FD) doors, suitable for door leaves up to 60 kg and 950 mm width, with a maximum opening angle of 180°. It features a rack-and-pinion mechanism and a thermo-constant valve, ensuring stable and reliable performance under temperature variations.The closer provides a fixed closing force EN 3, with independent regulation of closing speed (180°–15°) and latching action (15°–0°). Designed without hold-open function. Fully compliant with UNE EN 1154 and EN 1634-1 standards for controlled door closing devices and fire door applications. Suitable for easy surface mounting on the door leaf, on the opening side. Available finishes: Silver, Gold, White, and Black.