OUBAO SECURITY TECHNOLOGY CO.,LTD
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Cast Iron Door Closers

Cast Iron Door Closers

Description:
OB series cast iron door closers are multi-size non-handed cast iron door closers designed for all standard installations. They are widely used in facilities such like schools, office buildings, health care facilities and retail complexes. With modern appearance, high quality hydraulic fluid, low freezing-point, this series of cast iron door closers operate smoothly at temperature ranges from subzero 30℃ to 60℃. Thanks to the two separate regulating valves, the closing and latching speed of cast iron door closers maintain smoothly.

Personalized Options:
We offer cast iron door closers with functions of ‘back check’ and ‘delay action’ for your option:
1.OB03BC (size 1-6) are with back check function;
2.OB03DA (size 1-6) are with delay action function.

Standard Packing Configurations: 
1.OB series iron cast door closers;
2.Cush arm, hold-open arm, fusible link hold open arm;
3.Screws;
4.Installation manual;
5.Installation master plate.

Notice:           
1.Tighten the screws two months after the cast iron door closers being installed;
2.Better not to install the door closers in the open air, or it well easily get rusty.

Parameters of Cast Iron Door Closers:

Type Width of door(mm) Weigh of door
(kg) (pound)
OBO3BC 750-1400 (29 17/32”-55 1/8”) 15-150 44-265
OBO3DA 750-1400 (29 17/32”-55 1/8”) 15-150 44-265

Packaging and Transportation:
1.One piece in an inner box, ten inner boxes in one carton;
2.Transport by sea or by air.

Founded in 1987, Oubao Security Technology Co., Ltd. is the first joint-stock company and one of the largest professional manufacturers and supplier of cast iron door closers in China. With registered capital of 55.8 million RMB, we offer a broad line of security protection products, including door closer, fingerprint-lock, panic exit device, intelligent lock, etc. We can reach annual output of 6 million door closers and 500 thousand locks. Till now, we are able to provide 80% of our cast iron door closers to customers from the entire American continent, Europe, Southeast Asia, Middle-East, Africa and Oceania, including more than 80 foreign countries and regions.

Intelligent Door Closers

Intelligent Door Closers

Intelligent door closers have good complements to automatic swing door and competitive advantages in cost and application range. They can be well suited for commercial and residential uses, including hotel, super-market, office, bank, apartment, classroom, dormitory, etc. As a low energy power operator, intelligent door closers could also be ideal for touch free applications like public restrooms, labs and examination rooms.

As non-fire rated doors for ADA compliance, intelligent door closers are easy to operate and provide a simple way to achieve touchless environments in public restrooms. Furnished with a track assembly and non-handed pull side mounting as standard configuration, intelligent door closers electrically controlled back-check sweeping and latching speed quietly and smoothly.

Personalized Options:
1.We provide intelligent door closers with various activation options, such as wall switches, radio frequency devices, camera, monitoring, door control system, etc;
2.We offer intelligent door closers with manual control, remote-control, sensing-control, intelligent card reader, smoke sensor and fingerprint identification for optional;
3.The ‘hold open function’ is optional for this kind of intelligent door closers;
4.Power supply, electric hardware and access control interface are provided as accessories for your preference;
5.‘Push and go’ option: The operator senses when the door is manually opened to the full-open position;
6.‘Obstruction detection’ option: Motor stops if the door is obstructed during opening;
7.‘Motor start delay’ option: With 0 to 2 second delay to allow locking hardware to release. Operators should prevent motor and inverter from damage;

Standard Packing Configurations: 
1.Intelligent door closers;
2.Motor, gear, control board, cover, arm, transformer;
3.Screws;
4.Installation manual;
5.Installation master plate.

Notice:           
1.Tighten the screws two months after the intelligent door closers being installed;
2.Better not to install the door closers in the open air, or it well easily get rusty.

Parameters of Intelligent Door Closers:

Max.Door Width 1000mm Power supply DC 12/5A
Max.Door Weight 65kg Standby Current ＜100mA
Max Opening Angle 120 degree Noise ＜60db
Temporary stop time 1s/3s/7s/15s Temperature -20 --+60 centigrade
Opening/Closing speed High/Medium/Low Closing Force  Size 3
Opening Delay 0s/1s/2s/3s Safety Protection Overheat, over current, anti-collsiion protection
Protection Class Ip44 Dimension of product 400*88*75mm

Packaging and Transportation:
1.One piece in an inner box, ten inner boxes in one carton;
2.Transport by sea or by air.

Oubao Security Technology Co., Ltd. is the first joint-stock company and one of the largest professional manufacturer and supplier of intelligent door closers in China. We offer a broad line of security protection products, including door closers, fingerprint lock, panic exit device, intelligent lock and so on. We can reach annual output of 6 million door closers and 500 thousand locks. We also resort to strict outsourcing supervision to guarantee the superior quality of our intelligent door closers. Thanks to the help of high-velocity electron devices, Oubao SMT workshop outputs clean, non-static zinc and stainless steel products with professional design and modern appearance.
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