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China Commercial Door Closer Adjustment Factory – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus

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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for Door Closer Bracket, Surface Closer, Door Closer Types, We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business!
China Commercial Door Closer Adjustment Factory – 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.

DETAIL (3)


Product detail pictures:

China Commercial Door Closer Adjustment Factory –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Commercial Door Closer Adjustment Factory –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Commercial Door Closer Adjustment Factory –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Commercial Door Closer Adjustment Factory –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Commercial Door Closer Adjustment Factory –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures


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With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of China Commercial Door Closer Adjustment Factory – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus , The product will supply to all over the world, such as: Austria, Argentina, Nigeria, Our company has a skillful sales team, strong economic foundation, great technical force, advanced equipment, complete testing means, and excellent after-sales services. Our items have beautiful appearance, fine workmanship and superior quality and win the unanimous approvals of the customers all over the world.
  • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Caroline from Jakarta - 2017.02.14 13:19
    We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Sahid Ruvalcaba from Swedish - 2018.09.29 17:23
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