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Buy Pneumatic Door Closer Factory – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus

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Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Storm Door Closer, Heavy Door Closing, Door Closing Device, And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!
Buy Pneumatic Door Closer Factory – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus Detail:

Hold Open door closers include a special arm to hold the door in the open position. Note: Hold Open door closers are not allowed on fire-rated doors.

Door Closer and Hold Open Feature For Disability, Elderly, and Children
The automatic door closer is designed to mount at the top of the door or frame. This hydraulic door closer features a heavy duty internal spring which allows the device to automatically close the door each time a person uses the door.

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.

Dorrenhaus have passed ISO9001 quality management system certification,EN1154 and EN1634 certification, UL certification, Fire prevention certification etc.With our strong technical strengths, Dorrenhaus has developed high-quality and high-performance door closer that have won recognition from users. Its professional and perfect service and sincere cooperation has created more value for customers, and has established a stable and solid marketing network for Dorrenhaus.Currently,Dorrenhaus door closer is already exported to  Middle East, North America, Europe, Russia,South-East Asian and 20 other countries and regions.It is widely used in airports, hotels, subways, hospitals, schools and other large public places.

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

DETAIL (1)

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:

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures

Buy Pneumatic Door Closer Factory –  D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked  – Dorrenhaus detail pictures


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To be a result of ours specialty and repair consciousness, our corporation has won a good popularity amid consumers everywhere in the environment for Buy Pneumatic Door Closer Factory – D500 SERIES EN2 to EN4 Overhead Door Closers -CE Marked – Dorrenhaus , The product will supply to all over the world, such as: Pretoria, Ukraine, Yemen, 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.
  • This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Julia from Myanmar - 2017.04.28 15:45
    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 Gary from Lisbon - 2018.06.18 17:25
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