Power Size EN2 to EN5 Overhead Door Closer for Fire Door EN1634 Fire Tested EN1154 and CE Mark

Power Size EN2 to EN5 Overhead Door Closer for Fire Door EN1634 Fire Tested EN1125 and CE Mark

Material

Aluminum Alloy Pressure Die-Cast

Application

UNITY DC4025 is a mainstream overhead door closer suitable for both interior and exterior door type.

Standards and Certification

EN1154 Clssification

Finishes

- Silver

- White

- Gold

- Other finishes available on request

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

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

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

Hold-Open arm allows the door to be held open at a preset

angel for special occasion

- Slide-track Arm Mounting

Slide-track arm mounting allows minimum overall projection

of closer from door, which provides greater safety, smoother

operation and more appealing aesthetics

DC4025 Item List