General Catalogue of Door Closer AUTO-HINGE Flag Type
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.
basic information
[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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Applications/Examples of results
For more details, please refer to the PDF catalog or feel free to contact us.
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■Notice of the "2025 Attack Fair in Meiko"!■ 【July 23, 2025 (Wednesday) - July 24, 2025 (Thursday)】
Nitto Kohki will hold the "2025 Attack Fair in Meiko" for two days from July 23 (Wednesday) to July 24 (Thursday), 2025, at the "Kowa Seminar Plaza 2F Training Room NO.12 (inside Kowa Sports Land)." The Attack Fair is an exhibition where you can actually "see, touch, and operate" Nitto Kohki's products. Additionally, there will be wonderful souvenirs for attendees and many fun activities planned. We look forward to welcoming everyone!
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■Notice of the "2024 Attack Fair in Konan"!■ 【October 9, 2024 (Wednesday) to October 10, 2024 (Thursday)】
Nitto Kohki will hold the "2024 Attack Fair in Konan" at the Aoisui Hall for two days from October 9 (Wednesday) to October 10 (Thursday), 2024. The Attack Fair is an exhibition where you can actually "see, touch, and operate" Nitto Kohki's products. Additionally, there will be wonderful souvenirs for attendees and many fun activities prepared. We look forward to welcoming everyone!
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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.