ASSA ABLOY DC135 Door Closer Sliding Rail EN 3 Black for 950mm 60kg Fire Doors

Product Overview

The Assa Abloy DC135 door closer with sliding rail is designed for exterior doors and approved for fire-rated and smoke-control installations. Featuring CE marking and EN 1154 /4/8/3/1/1/4/ classification, it accommodates left- and right-opening doors up to 950 mm wide and 60 kg in weight, with reliable operation across a wide temperature range.

The DC135 stands out for its thermodynamic valve technology, ensuring consistent closing speed and performance even at lower temperatures. This reduces the risk of malfunction in cold climates and ensures compliance in demanding environments. Its black finish and flexibility in installation location make it particularly suitable for commercial projects and bulk procurement where aesthetic coordination and durability are required.

Key Features

• EN 1154 /4/8/3/1/1/4/ classified ? certified for fire-resistant and smoke-control door assemblies


• Thermodynamic valve technology ? maintains stable performance at low temperatures, ideal for exterior applications


• Adjustable closing speed ? customizable from 180° to 15° for project-specific requirements


• Maximum door width 950 mm ? supports standard exterior doors up to 60 kg


• Rack-and-pinion mechanism ? delivers smooth, controlled door movement


• Opening damping above 75° ? protects against sudden impacts


• Flexible mounting ? install on hinge side or opposite, adapting to diverse frame/leaf layouts

Technical Specifications

• Maximum Door Width: 950 mm


• Maximum Door Weight: 60 kg


• Mounting: Hinge side or opposite side


• Maximum Opening Angle: 180°


• Closing Speed Adjustment Range: 180° to 15°


• Latch Action Adjustment Range: 15° to 0°


• Opening Damping Activation: above 75°


• Certification: EN 1154 /4/8/3/1/1/4/


• Certification: CE


• Finish: Black


• Technology: Thermodynamic valves, rack-and-pinion

Applications

Suitable for exterior doors in commercial, institutional, and multi-family residential buildings. Approved for fire-rated and smoke-control doors, supporting both left and right configurations. Commonly used in entrance areas, corridors, and escape routes requiring certified closers. Compatible with projects that require temperature-stable operation and flexible installation options.

Packaging & Shipping

Standard export packaging. Each unit includes the DC135 body in black finish, sliding rail, mounting hardware, and installation manual.