Ozone Door Closer – NSK-680E

Ozone Hydraulic Door Closer Fitting – NSK 680E

Upgrade your door system with the Ozone Hydraulic Door Closer Fitting, model NSK 680E. This overhead closer features a reliable rack‑and‑pinion mechanism and adjustable hydraulic valves. The EN 2–4 adjustable closing force makes it suitable for a wide range of doors.

Crafted from durable materials and EN 1154 test-certified, this closer offers smooth, consistent closing through all stages—main closing and final latch. It supports doors up to 80 kg and up to 1,100 mm width

Key Features:

• Adjustable closing force EN 2–4 via body positioning

• Smooth, silent rack‑and‑pinion hydraulic action

• Supports door weights up to 80 kg and widths to 1,100 mm

• Non-handed, easy installation with track arm

• Tested for 500,000 cycles—built to last

• Fire-rated with Warrington APT UK certification

Why Choose NSK 680E?

First, its adjustable dual hydraulic valves allow you to set both closing and latching speeds precisely. Second, silent, controlled operation improves user safety and protects door components. Third, its EN‑rated durability and fire‑test certification deliver peace of mind—especially in public, commercial, or institutional settings.

Smooth Fit, Easy to Maintain

This fitting kit includes all necessary parts for surface‑mount installation, plus simple instructions for quick setup. As a result, you get reliable, low-maintenance door control with minimal effort.

Upgrade to the Ozone Hydraulic Door Closer Fitting NSK 680E for a smart blend of performance, durability, and professional standards in one package.