Buy China Overhead Concealed Door Closer Suppliers – D8024S SERIES Overhead Size 2-4 Door Closers-CE Marked – Dorrenhaus Manufacturer and Factory

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

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China Overhead Concealed Door Closer Suppliers – 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

DETAIL (2)

		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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90 Degree Hold Open Door Closer