Hydraulic surface-mounted door closer with slide arm system, designed for standard and fire-rated (FD) doors, suitable for door leaves up to 80 kg and 1100 mm width, with a maximum opening angle of 180°. It features a cam action mechanism and a thermo-constant valve, ensuring smooth operation and consistent performance under temperature variations.The closer provides adjustable closing force EN 2–4, with independent regulation of closing speed (180°–10°) and latching action (10°–0°). Designed without hold-open function. Fully compliant with UNE EN 1154, EN 1634-1, EN 1155, EN 1158, and BS 8300 standards, ensuring suitability for fire-rated doors and accessibility requirements. Suitable for easy surface mounting on the door leaf, on the opening side. Available finishes: Silver, Gold, White, and Black.