Door closers usage requirements and selection

Home closers installed, you should know how to use, Levin Lock City with years of experience in selling hardware to introduce the next door closers of requirements and options. 1) whether the need to open the door after door automatic stop function; 2) damping and function - Quick opening damping buffer to a certain position, and the damping force and scope buffer can adjust itself according to requirements; This function is used to prevent too fast prevent weight loss when people open the door and lean forward quickly fell to the ground when the door or the door lock collision walls, or emergency escape. 3) Slow delay closing - opening the door from the maximum position to start slow uniform off and can be infinitely adjusted according to requirements. Suitable for use in and out frequently and crowded places, especially hospitals, the elderly, children and people with disabilities out of the gate and channel use. 4) closing force can be adjusted - can be used on a wide range of door weight and door installation door is very different, as well as for environmental reasons closed places greater resistance. Random stepless adjustment can be satisfied with the closing force, especially in the coastal city is, travel and other wind impact resistance closed (the door by force) constantly changing place. 5) The reset function temporarily closed damping properties (vertical door closers) - in the open at any angle, close control valve should be able to temporarily suspend damping reset function. 6) Secure fast super damping shutdown performance (vertical door closers) - the process of closing any angle sudden external force is applied, should be able to safely and quickly closed. 7) Environment: fire protection requirements and in winter at minus 35 ° antifreeze site requirements. Levin lock into the city's official website: www.lwlocks.com to learn more. Address: Furong District, Changsha Sanxiang Nanhu big market 12 If you have questions about your home security locks, please call the National Hotline: 4000-988-988 Changsha City Levin lock service hotline: 0731-88880000 Lee Lock City - you are full security locks intimate advisers.