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China Hold Door Shut Manufacturer – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Yale Concealed Door Closer, Mortise Entry Lock Set, Door Push Bars, We will do our best to meet your requirements and are sincerely looking forward to developing mutual beneficial business relationship with you!
China Hold Door Shut Manufacturer – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus Detail:

Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics

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 EN 3/4
Durability 500,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Hold Open Optional<Sliding Track arm Optional
Installation type Door leaf installation, Top Jamb installation, Parallel arm installation
Max. Opening 18
Suitability for fire protection doors Yes
Mechanism Rack & Pinion
Hand of door Non handed
Materials of Body Die-cast <Aluminum
Materials of Arm< Steel<
Backcheck< Yes<
Delayed ActionProduct Description< NO<Closing speed can be individually adjusted<
Hydraulic latching action which accelerates the door shortly before it is closed
Application Suitable for wooden door, metal door, and fire rated door
Leaf width (max.) 1100mm<
Leaf weight(max.) 85KGS<
Finish Silver, Brown, White,Black, Others upon request.
Warranty 5 Years

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Model # Spring power RecommendedDoor Weight RecommendedMax.Door Leaf Width (mm ) Notes
D903 3# 40-65KGS 950mm Sliding track arm optional
D904 4# 60-85 KGS 1100 mm Sliding track arm optional

*In case of unusually high or heavy doors, windy or draughty conditions, or special installations, a large power size of door closer should be used.

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Product detail pictures:

China Hold Door Shut Manufacturer –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hold Door Shut Manufacturer –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hold Door Shut Manufacturer –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hold Door Shut Manufacturer –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hold Door Shut Manufacturer –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hold Door Shut Manufacturer –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures


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It adheres on the tenet "Honest, industrious, enterprising, innovative" to develop new items frequently. It regards buyers, success as its very own success. Let us produce prosperous future hand in hand for China Hold Door Shut Manufacturer – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: The Swiss, Pakistan, Vietnam, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, please contact us. And It is our great pleasure if you like to have a personally meeting in our office.
  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Sarah from Mauritius - 2017.03.28 12:22
    The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By Amber from Angola - 2017.04.08 14:55
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