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

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Our mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, world-class manufacturing, and service capabilities for Concealed Door Closer For Aluminium Door, Taco Door Closer, Soft Close Mechanism, If you are interested in any of our products and services, please don't hesitate to contact us. We are ready to reply you within 24 hours after receipt of your request and to create mutual un-limited benefits and business in near future.
China Concealed Door Closer Adjustment 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

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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

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*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 Adjustment Manufacturers –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

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

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

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

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

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

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

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

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

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

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


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That has a positive and progressive attitude to customer's interest, our organization consistently improves our products quality to satisfy the demands of shoppers and further focuses on safety, reliability, environmental specifications, and innovation of China Concealed Door Closer Adjustment Manufacturers – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus , The product will supply to all over the world, such as: Bolivia, European, Guyana, Our solutions are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
  • Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Mary from Bangalore - 2017.08.18 18:38
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Adelaide from Cambodia - 2017.11.12 12:31
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