D703 SERIES Medium Szie EN3 Overhead Door Closers

Short Description:

The D703 SERIES door closer is a Medium Szie EN3 Overhead Door Closers produced by Dorrenhaus, which has passed UL/C-UL Listed, UL10C 3 hours fire rating, can be used more than 100,000 times, and can adjust Closing speed, Latching speed function, we will provide you with a 5-year quality warranty service, welcome your order and consultation.

Product Detail

Product Tags

Standard Features

Certification UL/C-UL Listed,UL10C 3 hours fire rating
Spring Power Fixed EN3
Durability 100,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Installation type Regular,Top Jamb,Parallel
Max. Opening 180°
Arm Type Detachable
Mechanism Type Rack&Pinion
Hand of door Non handed
Materials of Body Die-cast Aluminum
Max Door Width 950mm
Max Door Weight 65Kgs
UL Listed CERTIFIRE CertificateNO.R27326
Backcheck Yes
Delayed Action NO 
Power Adjustment Method By using different templates
Fitting Application Regular,Top Jamb,Parallel
Body Construction Heat-treated pinion and steel piston
Finish Silver, Brown, White,Black, Others upon request.
Warranty 5 Years

Available Installation Type

detail (2)
Model # Spring power Recommended

Door Weight


Door Leaf Width (mm )

D703 3# 40-65 KGS 950 mm


Product Dimensions

detail (1)

About Us

Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd is a sino-foreign joint venture with investing 22 Million RMB totally, is an enterprise with 10 years experience in manufacturing door closer.We are a integrated R&D ,manufacturing and trading for door closer solutions for global customers,and we are entitled to High-Tech Enterprise by government.We are specialized in producing various middle-high class automatic door closers,floor spring, and relative door accessories hardware products.Covering an area of 30000 square meters, we now have over 200 employees, an annual sales figure that exceeds USD 20 millions.

Dorrenhaus  workshop

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