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China Automatic Door Closures Factories – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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With this motto in mind, we have become one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Automatic Door Opener Commercial, Storm Door Hydraulic, Mortise Lock Parts, We, with fantastic passion and faithfulness, are willing to offer you with best services and striding forward with you to make a bright foreseeable future.
China Automatic Door Closures Factories – 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 Automatic Door Closures Factories –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Automatic Door Closures Factories –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Automatic Door Closures Factories –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Automatic Door Closures Factories –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Automatic Door Closures Factories –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Automatic Door Closures Factories –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures


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It really is our obligation to satisfy your requirements and efficiently serve you. Your fulfillment is our greatest reward. We're hunting forward to your check out for joint development for China Automatic Door Closures Factories – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Turin, Cape Town, Greece, Abiding by our motto of "Hold well the quality and services, Customers Satisfaction", So we give our clients with high quality products and solutions and excellent service. Be sure to feel free to contact us for further information.
  • We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
    5 Stars By Daisy from Ukraine - 2018.05.13 17:00
    This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Darlene from Leicester - 2018.10.01 14:14
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