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China Device That Closes Door Automatically Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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To meet the customers' over-expected pleasure , we have now our solid crew to supply our greatest all round assistance which includes marketing, sales, planning, production, top quality controlling, packing, warehousing and logistics for Automatic Freezer Door Closer, Crash Bar Door, Commercial Door Hold Open, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
China Device That Closes Door Automatically 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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China Device That Closes Door Automatically Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Device That Closes Door Automatically Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Device That Closes Door Automatically Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Device That Closes Door Automatically Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Device That Closes Door Automatically Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

China Device That Closes Door Automatically Supplier –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures


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Adhering for the theory of "quality, services, performance and growth", we have received trusts and praises from domestic and worldwide shopper for China Device That Closes Door Automatically Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Mexico, Greece, Liberia, After 13 years of researching and developing products, our brand can represent wide range of products with outstanding quality in world market. We have completed big contracts from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. You probably feel secure and satisfy when copperate with us.
  • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Darlene from Barbados - 2017.09.30 16:36
    Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Althea from Bhutan - 2018.06.19 10:42
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