| Certification | UL/C-UL Listed,UL10C 3 hours fire rating |
| Spring Power | Fixed EN3 |
| Durability | 100,000 cycles above |
| Function | Adjustable Closing speed Adjustable Latching speed |
| Installation type | Regular,Top Jamb,Parallel |
| Max. Opening | 180° |
| Arm Type | Detachable |
| Mechanism Type | Rack&Pinion |
| Hand of door | Non handed |
| Materials of Body | Die-cast Aluminum |
| Max Door Width | 950mm |
| Max Door Weight | 65Kgs |
| UL Listed | CERTIFIRE CertificateNO.R27326 |
| Backcheck | Yes |
| Delayed Action | NO |
| Power Adjustment Method | By using different templates |
| Fitting Application | Regular,Top Jamb,Parallel |
| Body Construction | Heat-treated pinion and steel piston |
| Finish | Silver, Brown, White,Black, Others upon request. |
| Warranty | 5 Years |
| Model # | Spring power | Recommended
Door Weight |
RecommendedMax.
Door Leaf Width (mm ) |
Notes |
| D703 | 3# | 40-65 KGS | 950 mm |
Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd is a sino-foreign joint venture with investing 22 Million RMB totally, is an enterprise with 10 years experience in manufacturing door closer.We are a integrated R&D ,manufacturing and trading for door closer solutions for global customers,and we are entitled to High-Tech Enterprise by government.We are specialized in producing various middle-high class automatic door closers,floor spring, and relative door accessories hardware products.Covering an area of 30000 square meters, we now have over 200 employees, an annual sales figure that exceeds USD 20 millions.