Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This cushion is especially crucial on part

Door closer are common household appliances. Most families use door closer when decorating. We also know the role of door closer. Naturally, we need to check carefully when selecting them. So, which kind of door closer is easy to use, and how to choose a door closer?The use requirements and selectio

Main FeaturesQuick Install Hole-free 3M glue installation, firmness does not damage the wall, easy installation, high-temperature resistance. 50,000 Tests The high-quality P12 steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force. 800G Pull Suitable for

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Degol : what is the purpose of a door closer?

what is the purpose of a door closer?Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This