Built-in door closer function in the hinge! Quiet and smooth movement realized by hydraulic mechanism and advanced spring technology.
The door closer is a product that allows doors to close quietly and safely. It is used in various types of doors around the world, including those in medical facilities, offices, and transportation systems. Utilizing spring or hydraulic mechanisms, it automatically closes doors without the need for external arms, resulting in a neat look. This catalog features the AUTO-HINGE Flag type, a hinge with a built-in door closer function. It offers an aesthetic appearance while being suitable for various swing doors. Features: - Wide range of applications (usable on arched doors or doors without upper frames) - Built-in stop mechanism to hold the door open (available only in models with “S” in their model number) - Easy adjustment of closing speed with a screwdriver - Simple installation (same method as standard hinges) For more details, please refer to the PDF catalog or feel free to contact us.
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[Example of specifications] Model: 311S Applicable Door Size (mm) W: 800(Max) H: 2000(Max) D: 30(Min) Applicable Door Weight (kg): 30(Max) Stop Angle: 85° to 180° Max. Opening Angle: 180˚ right or left one-side opening
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For more details, please refer to the PDF catalog or feel free to contact us.
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The NITTO KOHKI Group supports comfortable living and a prosperous future across a wide range of fields—from construction sites to the aerospace industry and global environmental maintenance projects. We respond to increasingly diverse needs with outstanding engineering that promotes efficiency and labor-saving. Our unique technologies are developed from the user’s perspective, creating convenient and innovative tools that serve as bridges to the next generation.
