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China Dorma Concealed Door Closer Adjustment Manufacturer – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus

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We have state-of-the-art tools. Our products are exported towards the USA, the UK and so on, enjoying a fantastic reputation amongst customers for Automatic Door Opener And Closer For Home, Heavy Duty Commercial Door Closer, Floor Spring Door, Items won certifications with the regional and international primary authorities. For far more detailed information, please contact us!
China Dorma Concealed Door Closer Adjustment Manufacturer – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus Detail:

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

Our concealed door closers are available in a variety of models, you can browse our website to find the door closer that suits you best, and we will provide you with the best customer service.

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 FixedEN3
Durability 100,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Installation type Concealedwith sliding trackarm
Type Embedded
Max. Opening 120 °
Pressure relief valve Yes
Mechanism Rack&Pinion
Hand of door Non handed
Materials of Body Die-Cast Aluminum
Materials of guiderailand Main Arm 6061, Steel
Materials of Spring 60Si2Mn
Backcheck NO
Hold open Yes
Delayed Action NO
Bearing Full complement bearings for long durability
Application Suitable for interior wood, glass door and frames
Finish Silver, Brown, White,Black, Others upon request.
Warranty 5 Years
Door width 45mm wooden door minimum40mm sash door minimum
Body thickness Slim 32mm

DETAIL (1)
DETAIL (2)

Recommended Recommended Max.
Model # Spring power Door Weight Door Leaf Width (mm ) Notes
D30 3# 40-65 KGS 950 mm Slide track arm

*Note:Open the door to the desired angle,and then tighten the set screws in the slider combination.If the HO function is not needed,loosen the fixing screws.

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China Dorma Concealed Door Closer Adjustment Manufacturer –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Dorma Concealed Door Closer Adjustment Manufacturer –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Dorma Concealed Door Closer Adjustment Manufacturer –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Dorma Concealed Door Closer Adjustment Manufacturer –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Dorma Concealed Door Closer Adjustment Manufacturer –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures


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Our company has been focusing on brand strategy. Customers' satisfaction is our best advertising. We also supply OEM service for China Dorma Concealed Door Closer Adjustment Manufacturer – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus , The product will supply to all over the world, such as: Austria, Indonesia, Chile, In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we will continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.
  • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Kristin from Pretoria - 2017.08.16 13:39
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Georgia from Iran - 2017.12.19 11:10
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