NHN 510 Series Overhead Door Closer

NHN 510 Series Overhead Door Closer

The NHN 510 Series is a slimline overhead hydraulic door closer developed for applications where reliable door control is required while installation space is limited. Its compact body is particularly suitable for metal-frame doors with restricted fixing space.

Key technical specifications

• Product series: NHN 510
• Type: Overhead hydraulic door closer
• Power range: EN 2–4
• Maximum door width: 850 mm at EN 2, 950 mm at EN 3, and 1100 mm at EN 4
• Maximum door weight: 40 kg at EN 2, 60 kg at EN 3, and 80 kg at EN 4
• Closing control: Two-speed adjustment with separate regulation screws
• Installation: Non-handed; suitable for left- and right-handed doors
• Power shoe arm bracket: Reversible and capable of increasing final closing power by approximately 25%
• Hold-open: Available as part of the 510 Series configuration
• Standard finishes: Silver, White, Brown, Black and Gold

Design for restricted fixing space

The NHN 510 uses a slim body and a single-body approach for template fixing. This makes the series useful for metal-frame doors and other installations where the available mounting area is limited.

Controlled closing

The closer provides two separate speed controls: one for the main door-closing movement and another for the controlled final stage. Each function is adjusted through its own regulation screw, allowing the installer to tune the door movement for the application.

Power shoe arm bracket

The power shoe arm bracket can be reversed to increase final closing power by approximately 25%. This gives installers additional control when the application requires stronger final closing action.

Finishes

Standard finishes listed by the manufacturer are Silver, White, Brown, Black and Gold. Other finishes may be available on request.

SEO article – NHN 510 Series Door Closer

The NHN 510 Series door closer is a slimline hydraulic overhead door closer designed for commercial and architectural doors where controlled self-closing and compact installation are important. The series provides adjustable EN 2–4 closing force and supports doors up to 1100 mm wide and 80 kg, depending on the selected power setting.

One of the main advantages of the NHN 510 overhead door closer is its compact body, which is suitable for metal-frame doors and locations where fixing space is restricted. The closer uses separate adjustment screws for the main closing speed and controlled final speed, allowing the installer to fine-tune the closing movement.

The NHN 510 is non-handed, making it suitable for both left- and right-handed door installations. Its power shoe arm bracket can also be reversed to increase final closing power by approximately 25%. Depending on the required configuration, the series is available with a hold-open function and in standard Silver, White, Brown, Black and Gold finishes.

With its compact design, adjustable closing force and flexible installation, the NHN 510 Series is a practical solution for doors in commercial buildings, offices and other projects where dependable hydraulic door control is required.