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Buy Door Closing Device Manufacturers – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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We also offer product sourcing and flight consolidation services. We have our own factory and sourcing office. We can provide you with almost every type of product related to our product range for Perko Concealed Door Closer, Interior Door Closer, Door Closer With Backcheck, Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software advancement are our distinguishing feature.
Buy Door Closing Device 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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Product detail pictures:

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

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

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

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

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

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


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To create much more benefit for consumers is our company philosophy; customer growing is our working chase for Buy Door Closing Device Manufacturers – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Portugal, Cannes, Salt Lake City, All the imported machines effectively control and guarantee the machining precision for the items. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality items and have the ability to develop new merchandise to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.
  • The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Carey from New Zealand - 2018.09.29 17:23
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Ray from Ecuador - 2018.06.09 12:42
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