Buy China Heavy Duty Door Closer Suppliers – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus Manufacturer and Factory

China Heavy Duty Door Closer Suppliers – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus

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Our commission is to serve our users and clients with best quality and competitive portable digital products for Exit Device, Emergency Exit Door Push Bar, Floor Spring Hinge, We have four leading products. Our products are best sold not only in the Chinese market, but also welcomed in the international market.

China Heavy Duty Door Closer 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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Our commission should be to provide our customers and consumers with ideal top quality and aggressive portable digital products for China Heavy Duty Door Closer Suppliers – D71 SERIES CONCEALED CAM ACTION SIZE 3-6 DOOR CLOSERS – Dorrenhaus , The product will supply to all over the world, such as: Japan, Uruguay, Congo, After years' creating and developing, with the advantages of trained qualified talents and rich marketing experience, outstanding achievements were gradually made. We get good reputation from the customers due to our good products quality and fine after-sale service. We sincerely wish to create a more prosperous and flourishing future together with all the friends home and abroad!

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