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China Hydraulic Door Opener Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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We take pleasure in a really excellent name amongst our shoppers for our exceptional product or service excellent, competitive rate and also the greatest services for Fire Door Closers, Easy Open Door Closer, Concealed Door Closer Arm, Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
China Hydraulic Door Opener Supplier – 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 Hydraulic Door Opener Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hydraulic Door Opener Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hydraulic Door Opener Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hydraulic Door Opener Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hydraulic Door Opener Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Hydraulic Door Opener Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures


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We persistently execute our spirit of ''Innovation bringing growth, Highly-quality making sure subsistence, Administration marketing reward, Credit history attracting clients for China Hydraulic Door Opener Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Brunei, Vietnam, Malaysia, When It produced, it making use of the world's major method for reliable operation, a low failure price, it appropriate for Jeddah shoppers choice. Our enterprise. s situated inside the national civilized cities, the website traffic is very hassle-free, unique geographical and financial circumstances. We pursue a "people-oriented, meticulous manufacturing, brainstorm, make brilliant" company philosophy. Strict good quality management, fantastic service, affordable cost in Jeddah is our stand around the premise of competitors. If needed, welcome to make contact with us by our web page or phone consultation, we'll be delighted to serve you.
  • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Ada from Thailand - 2018.11.11 19:52
    A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Edward from Kuala Lumpur - 2017.04.08 14:55
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