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China Door Closing Mechanism Manufacturers – D8024S SERIES Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus

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With this motto in mind, we have become one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Exit Door Push Bar, Auto Door Closer, Mortise Deadbolt Lock, We welcome new and previous customers from all walks of lifestyle to contact us for long run organization relationships and mutual achievements.
China Door Closing Mechanism Manufacturers – 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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China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures

China Door Closing Mechanism Manufacturers –  D8024S SERIES  Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus detail pictures


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We goal to understand excellent disfigurement from the manufacturing and supply the top support to domestic and abroad clients wholeheartedly for China Door Closing Mechanism Manufacturers – D8024S SERIES Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus , The product will supply to all over the world, such as: kazan, Sudan, Nigeria, We have more than 10 years experience of production and export business. We always develop and design kinds of novel products to meet the market demand and help the guests continuously by updating our products. We are specialized manufacturer and exporter in China. Wherever you are, please join us, and together we will shape a bright future in your business field!
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Josephine from Nigeria - 2018.12.05 13:53
    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Jean from British - 2018.06.28 19:27
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