500 series surface mounted door closers, manufactured with Germany advanced technology, are one of the most common types of door closers. They are specially made with fashion design, high quality imported hydraulic fluid and low freezing-point, which enable the door closers to operate smoothly at the temperature ranges from subzero 40℃ to 60℃. Surface mounted door closers are widely used for office buildings, shopping centers and other commercial buildings.
Our 500 series surface mounted door closers are identified by UL, CUL and CE authentications, which promise a 5-year-warranty. They are manufactured in accordance with the quality standards of European BSEN1154 and American ANSI/BHMA156.4. Thanks to their dual valves for closing and latching, the surface mounted door closers are easy to adjust and enable the door maintaining a smooth closing speed. This series of door closers are optimized for use with Oubao panic exit devices.
1.All surface mounted door closers are available in “non-hold” and “hold open” optional installation. Door closer fitted with a hold open arm will remain the door opening at a preset angle until it is closed manually. Optional built-in “hold open” types are 501D, 502D and 503D door closers;
2.Surface mounted door closers are available with "standard arm", "parallel arm" or "track arm" for your preference;
3.Full or slim plastic cover is optional for 500 series surface mounted door closers;
4.Door closers in types of 503BC, 523BC, 504BC and 505BC have the optional back check function;
5.Surface mounted door closers are optional with steel cover plates in colors of alum, golden, white, black and sliver.
Standard Packing Configurations:
1.500 series surface mounted door closers;
2.Hold open arm, parallel arm bracket, track arm, drop plate;
5.Installation master plate.
1.Tighten the screws two months after the economical door closers being installed;
2.Better not to install the door closer in the open air, or it well easily get rusty;
3.Be aware of the surface mounted door closers whether or not allowed to install by Fire Officers on specific doors within a building.
Parameters of 500 Series Surface Mounted Door Closers:
|Type||Dimension (mm/inch)||Door Weight (kg)|
Packaging and Transportation:
1.One piece in an inner box, ten inner boxes in one carton;
2.Transport by sea or by air.