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China Larson Door Closer Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus

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In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Privacy Mortise Lock, Hinged Door Closers Residential, Fire Rated Door Self Closing, We have been also the appointed OEM manufacturing unit for several worlds' famous merchandise brands. Welcome to contact us for more negotiation and cooperation.
China Larson Door Closer Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus Detail:

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

Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics

detail (1)

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.

detail (2)

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.

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Product detail pictures:

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

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

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

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

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

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


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Having a sound small business credit score, outstanding after-sales services and modern manufacturing facilities, we've got earned an fantastic reputation among our buyers across the globe for China Larson Door Closer Supplier – D900 SERIES EN3-EN4 Overhead Door Closers With Link Arm – Dorrenhaus , The product will supply to all over the world, such as: Angola, Chile, Canada, Our professional engineering group will always be ready to serve you for consultation and feedback. We're able to also offer you with absolutely free samples to meet your requirements. Finest efforts will likely be produced to offer you the ideal service and goods. For anyone who is thinking about our company and merchandise, be sure to contact us by sending us emails or contact us quickly. As a way to know our merchandise and firm. lot more, you can come to our factory to find out it. We'll always welcome guests from all over the world to our business to build company relations with us. Be sure to feel free to get in touch with us for business and we believe we've been intending to share the top trading practical experience with all our merchants.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Judy from Mongolia - 2017.12.09 14:01
    The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Hilda from azerbaijan - 2018.10.01 14:14
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