Maxtech Commercial heavy Duty Door Closer is a ADA Compliant Adjustable Spring Sizes 1-6 Institutional Door Closer with Full Cover Norton great Cheap alternative for Hi traffic heavy doors It is commonly used on projects that specify multiple Exterior door closers to address job conditions and budget concerns. Commercial grade door closers mechanically return a door to closure for security, conservation of heating and cooling, and fire safety. A hydraulic cylinder attached to an arm regulates the speed of closure with separate adjustments for the door's sweep and latch (the final 10 degrees) phases of movement, and backcheck for opening resistance to protect walls and guard against wind gusts. installed on either side of a door, while double lever arms provide greater mechanical efficiency. In either a regular mount (on the hinge, or pull, side of the door) or a top jamb mount (on the reverse, or push side), the double lever arm projects perpendicular to the door. A parallel arm mount must be installed on the push side, for the double lever arm to occupy the recess of the door frame when at rest for a low profile.This door closer is an excellent choice for main Entrances, Stores ,Shops, Apartment complex and for anyone looking for a long lasting door closer. . Can be mounted regular arm or Parallel arm. Parallel arm bracket included. . Maxtech is a manufacturer of fine door hardware products.
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