• Safety valve design, protect body not damage by outside forces or stronge winds.
• 180°-15°, 15°-0° two speeds control make door close smoothly.
• Random hold open from 140°-180° ptional hold-open 90° or non-holdopen.
• Suitable for all kind of door, single action and double open also available.
• Max door weight 300kg, Max door width 1400mm.
• Max opening angle in cach direction: 180°,speed 1 from 180°-15°, speed 2 from 15°-0°.
• Easy installation of universal design,suitable for left and opening & single-door and double-door two direction opening.
• Easy to adapt to individual requirements with dual valve, according to different requirment to adjust closing speed and latching force, also available with different door closer for special requirement.