Our growth depends within the innovative equipment, fantastic talents and repeatedly strengthened technology forces for 2019 Good Quality Heavy Duty Commercial Grade Hydraulic Adjustable Spring Concealed Door Closer Hidden Door Closer, Our experienced complex workforce might be wholeheartedly at your support. We sincerely welcome you to definitely stop by our web site and company and mail us your inquiry.
Our growth depends within the innovative equipment, fantastic talents and repeatedly strengthened technology forces for China Door Closer and Hidden Door Closer, Our focus on product quality, innovation, technology and customer service has made us one of undisputed leaders worldwide in the field. Bearing the concept of “Quality First, Customer Paramount, Sincerity and Innovation” in our mind, We’ve achieved great progress in the past years. Clients are welcomed to buy our standard solutions, or send us requests. You are going to be impressed by our quality and price. Please contact us now!
Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics
Orrenhaus brand was originated in 1872 in Germany,with the development and progress, Dorrenhaus successor decide to invest door closer factory in China.In 2011,Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd was formally established.
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.
Certification | CE Marked |
Spring Power | FixedEN3 |
Durability | 100,000 cycles above |
Function |
Adjustable Closing speed Adjustable Latching speed |
Installation type | Concealedwith sliding trackarm |
Type | Embedded |
Max. Opening | 105° |
Pressure relief valve | Yes |
Mechanism | Rack&Pinion |
Hand of door | Non handed |
Materials of Body | Die-Cast Aluminum |
Materials of guiderailand Main Arm | 6061, Steel |
Materials of Spring | 60Si2Mn |
Backcheck | NO |
Hold open | Yes |
Delayed | NO |
ActionBearing | Full complement bearings for long durability |
Application | Suitable for interior wood, glass door and frames |
Finish | Silver, Brown, White,Black, Others upon request. |
Warranty | 5 Years |
Door width | 45mm wooden door40mm sash door |
Recommended | Recommended Max. | |||
Model # | Spring power | Door Weight | Door Leaf Width (mm ) | Notes |
D30S< | 3#< | 40-65< KGS | 950< mm | Slide track arm< |
*Note:
1.The valves on both sides have been adjusted to the proper location by the factory people when ready.
2.The two downward valves should be closed down completely (turning to the end clockwise) before your installing the closer inside the door.
Our growth depends within the innovative equipment, fantastic talents and repeatedly strengthened technology forces for 2019 Good Quality Heavy Duty Commercial Grade Hydraulic Adjustable Spring Concealed Door Closer Hidden Door Closer, Our experienced complex workforce might be wholeheartedly at your support. We sincerely welcome you to definitely stop by our web site and company and mail us your inquiry.
2019 Good Quality China Door Closer and Hidden Door Closer, Our focus on product quality, innovation, technology and customer service has made us one of undisputed leaders worldwide in the field. Bearing the concept of “Quality First, Customer Paramount, Sincerity and Innovation” in our mind, We’ve achieved great progress in the past years. Clients are welcomed to buy our standard solutions, or send us requests. You are going to be impressed by our quality and price. Please contact us now!