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China Heavy Duty Door Closer Manufacturers – D70 SERIES CONCEALED CAM ACTION SIZE 2-4 DOOR CLOSERS – Dorrenhaus

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Our goods are broadly recognized and reliable by users and can meet consistently switching financial and social demands of Glass Door Hinges, Floor Spring Hinge, Door Closer For Commercial Door, We acquire high-quality as the foundation of our results. Thus, we focus over the manufacture on the finest top quality goods. A strict quality management system has been created to guarantee the caliber of the merchandise.
China Heavy Duty Door Closer Manufacturers – 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 Heavy Duty Door Closer Manufacturers –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Heavy Duty Door Closer Manufacturers –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Heavy Duty Door Closer Manufacturers –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Heavy Duty Door Closer Manufacturers –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Heavy Duty Door Closer Manufacturers –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures

China Heavy Duty Door Closer Manufacturers –  D70 SERIES CONCEALED CAM ACTION  SIZE 2-4 DOOR CLOSERS – Dorrenhaus detail pictures


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Innovation, good quality and reliability are the core values of our enterprise. These principles today extra than ever form the basis of our success as an internationally active mid-size organization for China Heavy Duty Door Closer Manufacturers – D70 SERIES CONCEALED CAM ACTION SIZE 2-4 DOOR CLOSERS – Dorrenhaus , The product will supply to all over the world, such as: Porto, Brasilia, Greece, We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
  • The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Jamie from Sheffield - 2018.11.02 11:11
    It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Frederica from Iran - 2018.08.12 12:27
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