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China Concealed Door Closer Manufacturer – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus

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"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for Easy Open Door Closer, Automatic Door Stopper, Self Closing Door Arm, We've been glad that we have been steadily escalating using the energetic and long lasting assist of our pleased shoppers!
China Concealed Door Closer Manufacturer – 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

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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

detail (2)

*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:

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures


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Our target should be to consolidate and enhance the top quality and service of current goods, in the meantime frequently create new products to satisfy diverse customers' calls for for China Concealed Door Closer Manufacturer – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus , The product will supply to all over the world, such as: Puerto Rico, Portland, United Kingdom, Look forward to the future, we'll focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our in depth advantages and strive for building.
  • This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Eileen from Somalia - 2018.11.02 11:11
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Cherry from Israel - 2017.01.11 17:15
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