Ozone Concealed Door Closer – CDC-3800 E

Ozone Door Closer Online – CDC 3800E Concealed Precision for Glass & Slim Doors

The Ozone Door Closer Online, model CDC 3800E, combines refined aesthetics with advanced hydraulic performance. Designed specifically for concealed installation, it fits seamlessly within slim or glass doors—making it ideal for modern interiors where hardware should remain discreet.

Built to EN 3 specifications, this closer supports doors up to 60 kg and a maximum width of 950 mm, while requiring a minimum door thickness of 35–38 mm for secure fitting . The rack & pinion mechanism delivers smooth, silent operation with dual-speed hydraulic control that adjusts both closing and latching phases independently

This closer is non-handed, allowing installation on left or right swinging doors without modification. Moreover, rigorous durability testing ensures reliable performance—with a cycle-tested lifespan of up to 500,000 operations  It also carries Fire‑ and UL‑certification from Warrington APT Labs in the UK, ensuring high safety standards

Key Advantages:

• Sleek concealed installation keeps hardware out of sight

• Hydraulic fine-tuning prevents slamming and ensures safe use

• Durable build resists wear in demanding environments

• Ideal for homes, offices, and entrances requiring clean aesthetics

Installation is straightforward with supplied track arm hardware. No visible springs or bulky arms disrupt the visual flow, so your doors look modern and streamlined. Choose the Ozone CDC 3800E Door Closer to achieve both functional excellence and design elegance in your glass or slim‑door setups.