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China Concealed Door Closer Arm Factory – D8024S SERIES Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus

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Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for Floor Spring Hinge, Heavy Duty Concealed Door Closer, Floor Spring Door Closer, Our corporation maintains risk-free enterprise combined by truth and honesty to maintain long-term interactions with our clients.
China Concealed Door Closer Arm Factory – D8024S SERIES Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus Detail:

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

A door closer is a spring-loaded hydraulic device that closes a door automatically. The most common kind of door closer is the surface mounted door closer, so called because it is mounted to the surface of the door or header. Also available are concealed overhead door closers that are mounted inside the header above the door or inside the door itself, and floor closers that are installed beneath the threshold.

Push side installation
When necessary, push side installation provides the benefits of track arm assemblies with the closer mounted to the door and the track mounted to the stop, creating a more tamper-resistant application.
Adjustable Spring sizes for barrier free requirements

Certification CE Marked
Spring Power Adjustable Size 2-4
Durability 500,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Hold Open Optional
Installation type Regular,Top Jamb,Parallel
Max. Opening 120-150°
Pressure relief valve Yes
Mechanism Rack & Pinion
Hand of door Non handed
Materials of Body Die-cast Aluminum
Materials of Spring 60Si2Mn
Backcheck Yes
Delayed Action Yes
Bearing Full complement bearings for long durability
Application Suitable for interior wood, hollow metal, and aluminum doors and frames
Finish Silver, Brown, White,Black, Others upon request.
Warranty 5 Years
Cross reference Dorma 7300

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Recommended Recommended Max.
Model # Spring power Door Weight Door Leaf Width (mm ) Notes
D8024S 2-4 20-100 KGS 1100 mm

*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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Product detail pictures:

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Concealed Door Closer Arm Factory –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures


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We have now a skilled, performance group to offer excellent support for our consumer. We usually follow the tenet of customer-oriented, details-focused for China Concealed Door Closer Arm Factory – D8024S SERIES Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus , The product will supply to all over the world, such as: Portugal, Lisbon, Oslo, All our staffs believe that: Quality builds today and service creates future. We know that good quality and the best service are the only way for us to achieve our customers and to achieve ourselves too. We welcome customers all over the word to contact us for future business relationships. Our products are the best. Once Selected, Perfect Forever!
  • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Freda from New Zealand - 2017.09.28 18:29
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Mary from Bangalore - 2018.09.21 11:01
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