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China Norton Hold Open Door Closer Manufacturers – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus
China Norton Hold Open Door Closer Manufacturers – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus Detail:
Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics
CE marking is a key indicator of compliance with European Union legislation. All products which fall within the scope of the EU’s New Approach Directives and comply with all essential requirements must carry the CE mark.
As closers for fire/smoke doors have a critical safety function, application of the CE mark requires independent verification by a notified certification body involving initial type-testing of the product to BS EN 1154 and/or BS EN 1155, inspection of the manufacturer’s factory production control and continuing surveillance and approval of the factory production control system.
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 | Fixed EN2-EN4 |
| Durability | 500,000 cycles above |
| Function | Adjustable Closing speed Adjustable Latching speed |
| Installation type | Fig1,Fig66,Fig61 |
| Max. Opening | 180 °(Fig1,Fig66,Fig61) |
| Arm Type | Fixed or Detachable |
| Mechanism Type | Rack&Pinion |
| Hand of door | Non handed |
| Materials of Body | Die-cast Aluminum |
| Tested to EN1154 | Report NO.WIL433044 |
| Tested to EN1634 | WF report NO.422554 |
| CE Marked | CERTIFIRE Certificate NO.CF5789 |
| Backcheck | NO |
| Delayed Action | NO |
| Power Adjustment Method | By using different templates |
| Fitting Application | Fig1,Fig 66 &Fig61 |
| Body Construction | Heat-treated pinion and steel piston |
| Finish | Silver, Brown, White,Black, Others upon request |
| Warranty | 5 Years |
| Cross reference | DORMA TS 77 |
| Model # | Spring power | RecommendedDoor Weight | RecommendedMax.Door Leaf Width (mm ) | Notes |
| D502 | 2# | 20-45KGS | 850mm | Dorma arm optional |
| D503 | 3# | 40-65KGS | 950mm | Dorma arm optional |
| D504 | 4# | 60-85 KGS | 1100mm | Dorma arm optional |
*Recommended for, but not limited to interior doors including:
Aftermarket: Office doors, Utility doors, Storage doors
Storefront: Retail/Outlet malls, Convenience stores, Warehouse doors
Product detail pictures:
Related Product Guide:
In order to best meet client's needs, all of our operations are strictly performed in line with our motto "High Quality, Competitive Price, Fast Service" for China Norton Hold Open Door Closer Manufacturers – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus , The product will supply to all over the world, such as: India, Afghanistan, Qatar, We have more than 200 staff including experienced managers, creative designers, sophisticated engineers and skilled workers. Through hard work of all employees for the past 20 years own company grew stronger and stronger. We always apply the "client first" principle. We also always fulfill all contracts to the point and therefore enjoy excellent reputation and trust among our customers. You are very welcome to personally visit our company.We hope to start a business partnership on the basis of mutual benefit and successful development . For more information please do no hesitate to contact us..
By Hellyngton Sato from Kenya - 2018.06.12 16:22
We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
By Gail from Japan - 2018.05.13 17:00
