NHN Concealed Door Closer
Hidden Door Closer for Modern Doors
The NHN Concealed Door Closer is a high‑performance hidden door closer designed for modern architectural spaces that require both functionality and aesthetics. Installed entirely inside the door leaf and frame, this concealed door closer provides a clean, seamless look without visible hardware.
Engineered for durability and precision, the NHN concealed door closer ensures smooth, quiet, and controlled closing action. It features adjustable closing and latching speeds, making it suitable for various door weights and usage levels. Whether used in residential projects, office buildings, hotels, or commercial spaces, this concealed door closer delivers consistent performance even in high‑traffic environments.
Designed for compatibility with wooden doors, aluminum doors, and metal doors, it enhances safety by preventing door slamming while maintaining long‑term reliability.
Key Features:
- Fully concealed door closer system
- Adjustable closing and latching speed
- Adjustable Hold-open at different angels
- Smooth, silent operation
- Suitable for residential and commercial use
- Ideal for modern and minimalist interior designs
- Durable construction for heavy‑duty applications
Available Models:
1600 Series:
- Its ultra-slim 28mm main body allows installation in thin aluminum, standard steel, or wooden doors.
- Available for standard and reverse installation.
- NHN 1600 is a stylish closer which provides smooth closing using a needle bearing, ideal for reception rooms, hotel rooms, libraries etc.
- With closing speed and hold-open angle being easily adjusted.
- Sliver, Dark Brown or Gold. Other finishes available on request
490 Series:
- NHN 490 Series offers sizes EN2-4, spring power adjustable by allen key.
- Back check function with cushion effect in track (Optional).
- Slimline body & Easy installation.
- Easy speed and control adjustments by valve screws on the top of the closer body.
- Non-handed applications.
- DS slide arm available for double swing action.
- RAL9006 finish as standard with others available.
Technical Features:
- Adjustable primary and secondary closing speeds via adjustment screws located at the top of the door
- Reverse (inverted) installation option, allowing mounting inside the frame or within the door leaf depending on design needs
- Hold-open function at multiple angles, including 90 degrees, for enhanced daily usability
- Ultra-slim body suitable for wooden, metal, and framed glass doors
- Non-handed design, compatible with both left-hand and right-hand opening doors
Applications:
- Wooden doors
- Metal doors
- Framed glass doors
Widely used in:
- Luxury residences
- Hotels
- Offices
- Showrooms
- Commercial and administrative buildings
Model Breakdown
| Model | Hold-Open | Max Door Width | Max Weight |
|---|---|---|---|
| 1628 | Yes | 900 mm | 25-45 kg |
| 1638 | Yes | 950 mm | 40-60 kg |
| 490 | Yes (optional) | 1100 mm | 80 kg |
| 495 | Yes (optional) | 1100 mm | 100 kg |
The Perfect Solution for Modern Architecture
The NHN Concealed Door Closer combines smart engineering and architectural elegance, delivering comfort and safety without being seen.
Contact us today for a free consultation and find the most suitable model for your project requirements, or request a customized quotation.
Concealed Door Closer
Technology hidden. Performance upfront.
