Tesa Assa Abloy DC135 Sliding Guide Door Closer - White
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Product Information
Full details
The Tesa Assa Abloy DC135 is a high-performance sliding guide door closer engineered for professionals and building managers overseeing medium-to-high traffic environments. It offers exceptional control over door movement, ensuring smooth and reliable operation for doors up to 950 mm wide, including certified fire doors. While it provides robust durability tested for 500,000 cycles, users should note that the sliding guide configuration requires precise installation alignment to maintain optimal performance compared to traditional arm-style closers.
All features
| Colour | White |
|---|---|
| Model Part Number | DC135-----D9016 |
| Brand | TESA |
Extended Product Information
FAQs
Can I install this on a fire door?
Yes, the DC135 is fully compliant with UNE-EN1154 and is suitable for fire-rated installations.
What is the maximum door width for this closer?
This unit is designed for doors up to 950 mm wide.
How many cycles is this door closer rated for?
It is tested to withstand up to 500,000 opening and closing cycles.
What does the opening brake valve do?
The opening brake, or backcheck, prevents the door from swinging open too violently and hitting walls or surrounding objects.
Is this model available in different finishes?
Yes, the DC135 series is available in white, silver, and black finishes to suit different interior aesthetics.
Troubleshooting
Door slams at the end of the closing cycle
Adjust the final latching speed valve by turning it clockwise to decrease the closing speed at the end of the stroke.
Door stops moving before it is fully latched
Increase the main closing speed valve by turning it counter-clockwise, or check for physical obstructions in the door frame.
Opening resistance is too high
Check the opening brake valve. If it is turned too far, it will act as a physical buffer, making the door harder to open.
Pros and Cons
Pros
- Certified for fire door installation
- Independent adjustment valves for tailored operation
- Sleek sliding track design
- High-cycle lifespan of 500,000 cycles
- Consistent closing force for doors up to 950 mm wide
Cons
- Requires precise installation for smooth sliding movement
- Not intended for heavy-duty industrial exterior doors
- Sliding track mechanics are less forgiving of door misalignment than hydraulic arms
Setup, Compatibility & Care
Installation requires standard door hardware mounting techniques. Ensure your door width does not exceed 950 mm to maintain EN3 performance standards.
- Mounting: Use the provided template to drill pilot holes for the body and the sliding track.
- Adjustment: Use a flat-head screwdriver to adjust the three valves. Start with the closing speed valve (main valve), then the latching speed (final stroke), and finally the backcheck (opening brake) if necessary.
- Care: Keep the sliding track clear of debris to prevent friction. Periodically check that the mounting screws are tight. Do not use high-pressure lubricants inside the track; a light wipe with a clean, dry cloth is sufficient for maintenance.