- Ref: D1415 - Weight: 3Kg - Max Door Width (mm): 850 - 1100 - Max Door weight (kg): 40 - 80 - Closing force EN1154: 2,3,4 - No hold-open deviceAluminium alloy monoblock body. Steel arm. Special high tensile steel spring immersed in high grade oil. Regulating valve with thermostatic device. Over 500 000 opening cycles according to UNI EN 1154 standard requirements. Template and fixing instructions. Fixing screws. Adjustments: Closing Force, Speed of closing and Strength of final slam.