Products
China Automatic Interior Door Closer Factories – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus
China Automatic Interior Door Closer Factories – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus Detail:
Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics
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 | EN 3/4 |
| Durability | 500,000 cycles above |
| Function | Adjustable Closing speed Adjustable Latching speed Hold Open Optional<Sliding Track arm Optional |
| Installation type | Door leaf installation, Top Jamb installation, Parallel arm installation |
| Max. Opening | 18 |
| Suitability for fire protection doors | Yes |
| Mechanism | Rack & Pinion |
| Hand of door | Non handed |
| Materials of Body | Die-cast <Aluminum |
| Materials of Arm< | Steel< |
| Backcheck< | Yes< |
| Delayed ActionProduct Description< | NO<Closing speed can be individually adjusted< |
| Hydraulic latching action which accelerates the door shortly before it is closed | |
| Application | Suitable for wooden door, metal door, and fire rated door |
| Leaf width (max.) | 1100mm< |
| Leaf weight(max.) | 85KGS< |
| Finish | Silver, Brown, White,Black, Others upon request. |
| Warranty | 5 Years |
| Model # | Spring power | RecommendedDoor Weight | RecommendedMax.Door Leaf Width (mm ) | Notes |
| D903 | 3# | 40-65KGS | 950mm | Sliding track arm optional |
| D904 | 4# | 60-85 KGS | 1100 mm | Sliding track arm optional |
*In case of unusually high or heavy doors, windy or draughty conditions, or special installations, a large power size of door closer should be used.
Product detail pictures:
Related Product Guide:
Gaining customer satisfaction is our company's aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for China Automatic Interior Door Closer Factories – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: South Africa, Chile, Czech Republic, Our technical expertise, customer-friendly service, and specialized products make us/company name the first choice of customers and vendors. We are looking for your inquiry. Let's set up the cooperation right now!
By Geraldine from Yemen - 2017.06.22 12:49
It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
By Ivan from Hungary - 2017.03.28 12:22
