Features: • Adjustable power EN 3-5 with regular or hold open arm. • Conformity EN 1154 and recommended for fi re doors. • Body in high duty silicon aluminium alloy. • Two independently adjustable speed valves and latching action. • Insensitive to temperature changes. • Overpressure relief valve. • Opening to 180°. • High effi ciency. • Easily adjustable arm height (14 mm). • Mounting with sliding rail. • Stock fi nishes: silver, matt black. Other fi nishes on request. Specifi cation text: Adjustable power EN 3-5 door closers certifi ed two indipendent speed valves, overpressure relief valve, heavy duty for high frequency doors subject to abuse, MAB 635.