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

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With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for our customers for Glass Door Closure, Yale Heavy Duty Door Closer, Handicap Automatic Door Opener, If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
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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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal 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: Angola, Doha, Slovakia, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we'll continue to develop, to supply the high-quality goods and services, and promote lasting cooperation with our customers, common development and create a better future.
  • The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Federico Michael Di Marco from Croatia - 2017.12.19 11:10
    It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Sophia from Paraguay - 2017.09.09 10:18
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