Products
Professional China UL Listed Various Types Aluminium Back Check Hydraulic Door Closer
We normally think and practice corresponding towards the change of circumstance, and grow up. We aim at the achievement of a richer mind and body plus the living for Professional China UL Listed Various Types Aluminium Back Check Hydraulic Door Closer, “Quality first, Price lowest, Service best” is the spirit of our company. We sincerely welcome you to visit our company and negotiate mutual business!
We normally think and practice corresponding towards the change of circumstance, and grow up. We aim at the achievement of a richer mind and body plus the living for China Door Closer and Hardware, Our company’s main merchandise are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
| 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.
We normally think and practice corresponding towards the change of circumstance, and grow up. We aim at the achievement of a richer mind and body plus the living for Professional China UL Listed Various Types Aluminium Back Check Hydraulic Door Closer, “Quality first, Price lowest, Service best” is the spirit of our company. We sincerely welcome you to visit our company and negotiate mutual business!
Professional China China Door Closer and Hardware, Our company’s main merchandise are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
