The dormakaba BTS 75 V is a highly adaptable floor spring suitable for all standard single, and double action doors with widths up to 1100 mm and 120kg door weight. This floor spring is enhanced by it's adjustable closing force of EN 1-4 individually regulated by means of an adjustment bolt.
The dormakaba BTS 75 V is a highly adaptable floor spring suitable for all standard single, and double action doors with widths up to 1100 mm and 120kg door weight. This floor spring is enhanced by it's adjustable closing force of EN 1-4 individually regulated by means of an adjustment bolt.
The dormakaba BTS 75 V is a highly adaptable floor spring suitable for all standard single, and double action doors with widths up to 1100 mm and 120kg door weight. This floor spring is enhanced by it's adjustable closing force of EN 1-4 individually regulated by means of an adjustment bolt.
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