Hydraulic concealed door closer, designed for standard and fire-rated (FD) doors, suitable for door leaves up to 120 kg and 1400 mm width, with a maximum opening angle of 120°. 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 3–6, with independent regulation of closing speed (120°–10°) and latching action (10°–0°). Designed without hold-open function. Fully compliant with UNE EN 1154, EN 1634-1, EN 1155, and BS 8300 standards, ensuring suitability for fire-rated doors and accessibility requirements. Suitable for concealed installation within the door leaf, on the opening side, requiring a minimum door thickness of 50 mm, and installed with a 31 mm guide rail system. Available finish: Silver.