Products
China Larson Door Closer Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus
China Larson Door Closer Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus Detail:
| 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 |
Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics
| 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.
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.
Product detail pictures:
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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 Larson Door Closer Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: United States, Malta, Bangalore, With nearly 30 years' experience in business, we are confident in superior service, quality and delivery. We warmly welcome customers from all over the world to cooperate with our company for common development.
By Molly from Albania - 2018.05.22 12:13
The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
By April from Amman - 2017.09.28 18:29
