Rack and pinion door closer with scissor action arms to DIN EN 1154 Feataures and advantages: One door closer size for a closing force range of 15 ‚¬â€œ 60 Nm = size 2 ‚¬â€œ 6. Closing force adjustable from the side. Identical borehole pattern across the OTS range. Easy fixing on timber, PVC, tubular frame aluminium or steel doors by using the mounting plate with multi-fixing positions. Colour coded adjustment valves:Closing speed ‚¬â€œ red valveLatching force ‚¬â€œ yellow valveDelayed action ‚¬â€œ blue valveBackcheck ‚¬â€œ green valve All functions as a standard. The valves are adjusted from the front - and also the latching force - without disconnecting the arms. Plastic valves with optimum thermal characteristics provide consistent closing speed also with changes in temperature. Easy adjustment of upper arm. Easy mounting of screw-on plate due to fully detachable arm. Tested and quality surveyed by the research and materials testing instuitute Stuttgart ("FMPA"). Survey mark ÜZ-BWU 03-I 17.1.21. If OTS 530 is used on fire rated doors, EN 1154 for door closers with hydraulic damping must be observed.Application: The OTS 530 type is suitable for side hung timber, PVC, tubular frame steel or aluminium doors. Left or right hand use. Standard mounting on hinge side, transom mounting opposite to hinge side. Technical description: For door leaf widths up to 1400 mm Door opening angle 180°. Controlled closing from any opening angle. Protection against forced operation via security valve. Smartly shaped cover with concealed security fixing in a choice of colours. Needle bearing axle.
