Tesa Assa Abloy DC135 Door Closer with Sliding Guide - Black
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Product Information
Full details
The Tesa Assa Abloy DC135 is a high-performance door closer engineered for residential and commercial environments with medium-to-high foot traffic. It provides a reliable, smooth closing motion for doors up to 950 mm wide, offering both safety and accessibility through precise speed control and fire door certification; however, professional installation is recommended to ensure the sliding guide mechanism is correctly aligned for optimal performance.
All features
| Colour | Black |
|---|---|
| Model Part Number | DC135-----D9005 |
| Brand | TESA |
Extended Product Information
FAQs
Is this closer suitable for exterior doors?
While durable, it is primarily intended for medium-to-high traffic interior use. Exposure to extreme weather may affect hydraulic performance.
Can I install this on a door wider than 950 mm?
No, the internal spring mechanism is calibrated for doors up to 950 mm. A larger door would exceed the rated capacity.
Does it work on fire doors?
Yes, the DC135 is certified according to EN1154 standards for fire door applications.
How often should I lubricate the sliding guide?
It is recommended to inspect and lightly clean the track every 6 months to ensure smooth movement.
What is the function of the opening brake?
The opening brake provides resistance at the end of the opening cycle to prevent the door from hitting walls or objects.
Troubleshooting
Door slams at the end of the closing cycle
Adjust the final latching speed valve by turning it clockwise to slow down the closing motion near the frame.
Door does not fully close or latch
Check that the door is not binding against the frame or floor, then slightly increase the closing speed valve counter-clockwise.
Visible oil leakage around the spindle
This indicates a seal failure; the unit is a sealed hydraulic system and should be replaced if leaking.
Pros and Cons
Pros
- Certified for use on fire doors
- High durability tested to 500,000 cycles
- Three distinct speed control valves for fine-tuned operation
- Sleek design fits modern commercial interiors
- Controlled 180-degree opening and closing range
Cons
- Limited to doors up to 950 mm wide
- Requires precise adjustment for optimal functionality
- Not suitable for heavy-duty industrial exterior gates
Setup, Compatibility & Care
Installation of the Tesa DC135 requires standard mounting tools and adherence to the included drilling template to ensure the sliding guide rail is perfectly parallel to the door top. Before finalizing the install, ensure the door hinges are well-lubricated to prevent friction from affecting the closer's performance. For maintenance, check the speed valves periodically; if the closing speed changes due to seasonal temperature shifts affecting the hydraulic fluid, simply turn the valve screw slightly to compensate. Keep the sliding guide rail free of debris and lightly lubricated with a silicone-based spray to maintain silent, smooth operation.