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China Automatic Door Stopper Suppliers – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – 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 Door Closers, Door Panic Bar, Heavy Duty Floor Spring, We have experienced manufacturing facilities with more than 100 employees. So we can guarantee short lead time and quality assurance.
China Automatic Door Stopper Suppliers – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus Detail:

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

Concealed door closers come in two main types: overhead concealed and under the floor concealed.

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.

Insert the retainer between the chain links closest to the cylinder face plate. Remove the anchor plate from the door frame and turn the anchor plate clockwise to increase the tension and anti- clockwise to decrease the tension. Re-fix the anchor plate to the door frame and remove the retainer.

Certification CE Marked
Spring Power Adjustable Size 3-6
Durability 500,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Adjustable Backcheck
Installation type Concealedwith sliding trackarm 
Max. Opening 120 °
Pressure relief valve Yes
Mechanism Cam action
Hand of door Non handed
Materials of Body Die-Cast Iron
Materials of guiderailand Main Arm 6061, Steel
Materials of Spring 60Si2Mn
Backcheck NO
Hold open Yes
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
Minimum door thickness Wooden door52mmMetal door48mm

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DETAIL (2)

Recommended Recommended Max.
Model # Spring power Door Weight Door Leaf Width (mm ) Notes
D71 2-4 20-100 KGS 1100 mm Slide track arm

*Note:Open the door to the desired angle,and then tighten the set screws in the slider combination.If the HO function is not needed,loosen the fixing screws.

DETAIL

*Rapid decrease in opening force makes doors easy to open, yet provides maximum closing force at the latch.
D71 can be inverted to install the closer body in the frame.Invisible when door is closed.


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Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction for China Automatic Door Stopper Suppliers – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus , The product will supply to all over the world, such as: Buenos Aires, Malaysia, Ecuador, 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 company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
5 Stars By Erica from Hungary - 2018.11.02 11:11
The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
5 Stars By Gemma from Guatemala - 2018.09.19 18:37
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