| Certification | CE Marked |
| Spring Power | FixedEN3 |
| Durability | 100,000 cycles above |
| Function | Adjustable Closing speed Adjustable Latching speed |
| Installation type | Concealedwith sliding trackarm |
| Type | Embedded |
| Max. Opening | 120 ° |
| Pressure relief valve | Yes |
| Mechanism | Rack&Pinion |
| Hand of door | Non handed |
| Materials of Body | Die-Cast Aluminum |
| Materials of guiderailand Main Arm | 6061, Steel |
| Materials of Spring | 60Si2Mn |
| Backcheck | NO |
| Hold open | Yes |
| Delayed Action | NO |
| Bearing | Full complement bearings for long durability |
| Application | Suitable for interior wood, glass door and frames |
| Finish | Silver, Brown, White,Black, Others upon request. |
| Warranty | 5 Years |
| Door width | 45mm wooden door minimum40mm sash door minimum |
| Body thickness | Slim 32mm |
Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics
Our concealed door closers are available in a variety of models, you can browse our website to find the door closer that suits you best, and we will provide you with the best customer service.
| Recommended | Recommended Max. | |||
| Model # | Spring power | Door Weight | Door Leaf Width (mm ) | Notes |
| D30 | 3# | 40-65 KGS | 950 mm | Slide track arm |
*Note:Open the door to the desired angle,and then tighten the set screws in the slider combination.If the HO function is not needed,loosen the fixing screws.
Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.