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  • OUBAO SECURITY TECHNOLOGY CO.,LTD
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    Home » Products » Door Closers » OB Series Cast Iron Door Closers

    OB Series Cast Iron Door Closers

    OB Series 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 OB Series 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.
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