Dimensions: 306 / 108 / 40 mm
. Closing force: 3 (BTS FH 843) or 4 (BTS FH 844), not adjustable
. Back-check: optional, adjustable
. Closing speed: adjustable
. Latching speed: adjustable
. Opening angle: 130°
. Hold-open as option, 90° or 105° (Mechanical hold open not allowed with fire- and smoke
control doors!)