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China Door Closer With Hold Open Factories – D70 SERIES CONCEALED CAM ACTION SIZE 2-4 DOOR CLOSERS – Dorrenhaus

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To create more value for customers is our business philosophy; customer growing is our working chase for Panic Door, Push Bar Door, Automatic Door Stopper, Our company quickly grew in size and reputation because of its absolute dedication to high quality manufacturing, high value of products and excellent customer service.
China Door Closer With Hold Open Factories – D70 SERIES CONCEALED CAM ACTION SIZE 2-4 DOOR CLOSERS – Dorrenhaus Detail:

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

Concealed fire door closers provide the functionality of an overhead door closer but are fitted within the door leaf and frame. This type of installation is aesthetically pleasing and helps to reduce vandalism, as most of the door closer is hidden from sight.

Certification CE Marked
Spring Power Adjustable Size 2-4
Durability 500,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Installation type Concealedwith sliding trackarm
Max. Opening 120 °
Pressure relief valve Yes
Mechanism Cam action
Hand of door Non handed
Materials of Body Iron or Aluminum
Materials of guiderailand Main Arm 6061, Steel
Materials of Spring 60Si2Mn
Backcheck NO
Delayed Action NO 
Bearing Full complement bearings for long durability
Application Suitable for interior wood, hollow metal, and aluminum doors and frames
Product Description Efficient cam and roller design
Finish Silver, Brown, White,Black, Others upon request.
Warranty 5 Years
Cross reference DORMA TS 96

DETAIL (1)
DETAIL (2)

Recommended Recommended Max.
Model # Spring power Door Weight Door Leaf Width (mm ) Notes
D70 2-4 20-100 KGS 1100 mm Slide track arm

*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.

DETAIL (3)

*Rapid decrease in opening force makes doors easy to open, yet provides maximum closing force at the latch.
D70 can be inverted to install the closer body in the frame.Invisible when door is closed.


Product detail pictures:

China Door Closer With Hold Open Factories –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Door Closer With Hold Open Factories –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Door Closer With Hold Open Factories –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Door Closer With Hold Open Factories –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Door Closer With Hold Open Factories –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Door Closer With Hold Open Factories –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures


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We usually think and practice corresponding for the change of circumstance, and grow up. We aim at the achievement of a richer mind and body as well as the living for China Door Closer With Hold Open Factories – D70 SERIES CONCEALED CAM ACTION SIZE 2-4 DOOR CLOSERS – Dorrenhaus , The product will supply to all over the world, such as: Argentina, Salt Lake City, Estonia, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.
  • The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Ellen from Nepal - 2017.05.21 12:31
    We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Dora from Kuwait - 2018.06.12 16:22
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