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Buy Door Closer With Backcheck Manufacturers – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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That has a sound small business credit, great after-sales service and modern production facilities, we've earned an outstanding standing amid our buyers across the earth for Steel Door Hinge, Door Closer Types, Door Damping, Together with the everlasting target of "continuous top quality improvement, customer satisfaction", we have been sure that our products high quality is stable and trustworthy and our solutions are best-selling at your home and overseas.
Buy Door Closer With Backcheck Manufacturers – 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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Buy Door Closer With Backcheck Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

Buy Door Closer With Backcheck Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

Buy Door Closer With Backcheck Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

Buy Door Closer With Backcheck Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

Buy Door Closer With Backcheck Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

Buy Door Closer With Backcheck Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures


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Together with the "Client-Oriented" enterprise philosophy, a arduous good quality control technique, sophisticated producing equipment and a sturdy R&D staff, we generally offer superior quality merchandise, superb solutions and aggressive rates for Buy Door Closer With Backcheck Manufacturers – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Switzerland, Boston, Turin, We follow up the career and aspiration of our elder generation, and we are eager to open up a new prospect in this field, We insist on "Integrity, Profession, Win-win Cooperation", because we have a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.
  • Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Natalie from Afghanistan - 2017.08.21 14:13
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Eudora from Italy - 2017.06.22 12:49
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