We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Manufacturer of Automatic Fireproof Aluminum Alloy Adjustable Door Closer for Metal Firerated Door, Our business has already setup a professional, creative and responsible workforce to develop purchasers together with the multi-win principle.
We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for China Door Closer and Adjustable Door Closer, Now we have a excellent team supplying specialist service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our solutions.
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.
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.
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 | 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.
We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Manufacturer of Automatic Fireproof Aluminum Alloy Adjustable Door Closer for Metal Firerated Door, Our business has already setup a professional, creative and responsible workforce to develop purchasers together with the multi-win principle.
Manufacturer of China Door Closer and Adjustable Door Closer, Now we have a excellent team supplying specialist service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our solutions.