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

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We're going to commit ourselves to giving our esteemed buyers using the most enthusiastically considerate solutions for Hinge Door, Commercial Door Hold Open, Schlage Mortise Lock, Leading the trend of this field is our persistent goal. Providing first class products is our aim. To create a beautiful future, we would like to cooperate with all friends at home and abroad. Should you have any interest in our products, please do not hesitate to contact us.
China Dorma Door Closer Hold Open 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 Dorma Door Closer Hold Open Manufacturer –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus detail pictures

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

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

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

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

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

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

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

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

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

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


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We usually believe that one's character decides products' high quality, the details decides products' excellent ,with the REALISTIC,EFFICIENT AND INNOVATIVE staff spirit for China Dorma Door Closer Hold Open Manufacturer – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus , The product will supply to all over the world, such as: South Korea, Boston, St. Petersburg, we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. We will work wholeheartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.
  • The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
    5 Stars By Yannick Vergoz from Jakarta - 2018.11.02 11:11
    This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Jocelyn from Haiti - 2017.11.01 17:04
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