Product Detail

UNITY DC4025 heavy duty door closer is a mainstream overhead door closer suitable for both interior and exterior door type. For the material, it is aluminum alloy pressure die-cast.

DC4025 Heavy Duty Door Closer Item List

Specification and Features

– Full Rack and Pinion Construction
Heat-treated rack and pinion immersed in high-grade oil to give a smooth action and minimum wear and tear
– Adjustable Power Size (EN2 – EN5)
Power Size can be adjustable by spring valve according to door width and weight variation.

– Non-Handed
DC4025 can be universally fitted on both left and right-handed swing door
– Flexible Mounting Position
DC4025 can be installed on both pull and push side of the door and can be fitted and both door and frame.
– Adjustable Latch and Closing Speed
DC4025 is supplied with hydraulic controlled valves to adjust latch and closing speed.
– Adjustable Backcheck
Backcheck feature set and adjusted by an independent valve to protect doorset from violent opening.

Optional Features

– Delayed Action
An additional adjustable valve can be included to allow additional time before closing.

– Closer Cover: DCCV40
Metal cover available to cover mounting screw holes and create a clean appearance

– Door Hold-Open
The hold-Open arm allows the door to be held open at a preset angle for a special occasion
– Slide-track Arm Mounting
Slide-track arm mounting allows the minimum overall projection of closer from the door, which provides greater safety, smoother operation, and more appealing aesthetics

EN1154 Classification

Finishes

– Silver
– White
– Black
– Gold
– Other finishes available on request