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China Commercial Door Closer Factories – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus

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owing to good service, a variety of high quality products, competitive prices and efficient delivery, we enjoy a good reputation among our customers. We are an energetic company with wide market for Automatic Door Stopper, Built In Closer, Heavy Duty Door Closer For Steel Doors, We guaranteed high quality, if clients were not satisfied with the products' quality, you can return inside 7days with their original states.
China Commercial Door Closer Factories – 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

DETAIL (1)
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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China Commercial Door Closer Factories –  D71 SERIES CONCEALED CAM ACTION  SIZE 3-6 DOOR CLOSERS – Dorrenhaus detail pictures


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abide by the contract", conforms towards the market requirement, joins during the market competition by its good quality likewise as provides additional comprehensive and great services for customers to let them turn out to be big winner. The pursue of your enterprise, is the clients' fulfillment for China Commercial Door Closer Factories – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus , The product will supply to all over the world, such as: Greece, Houston, Zurich, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, now we have gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.
  • The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Klemen Hrovat from Iraq - 2017.02.18 15:54
    The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Alexandra from Rotterdam - 2017.12.31 14:53
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