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

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With advanced technologies and facilities, strict high quality regulate, reasonable price tag, excellent support and close co-operation with shoppers, we have been devoted to furnishing the best benefit for our buyers for Door Closer Hardware, House Door Closer, Mortise Locks, To acquire a consistent, profitable, and constant advancement by getting a competitive advantage, and by continuously increasing the price added to our shareholders and our employee.
Buy Device That Closes Door Automatically 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 Device That Closes Door Automatically Manufacturers –  D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus detail pictures

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

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

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

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

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


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We insist on offering high quality production with good business concept, honest sales and the best and fast service. it will bring you not only the high quality product and huge profit, but the most significant is to occupy the endless market for Buy Device That Closes Door Automatically Manufacturers – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Mecca, Melbourne, Malta, We will supply much better products with diversified designs and professional services. At the same time, welcome OEM, ODM orders, invite friends at home and abroad together common development and achieve win-win, integrity innovation, and expand business opportunities! If you have any question or need more information please feel free to contact us. We are looking forward to receiving your enquiries soon.
  • After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Alva from Belize - 2017.02.18 15:54
    Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By James Brown from Stuttgart - 2017.09.28 18:29
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