With a sound business credit, excellent after-sales service and modern manufacturing facilities, we have earned an excellent reputation among our customers across the world for Modern Mortise Lock Set, Its 96 Concealed Door Closer, Door Panic Bar, Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us!
China Hydraulic Floor Spring Supplier – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus Detail:
Performance parameters of D-128 |
Model |
D-128 |
Applicable Standard |
UL Certificate |
Engine Cylinder |
Single |
Max Door Width |
900mm |
Max Door Weight |
80kg |
Max Open Degree |
116° |
Stop-Device |
90° |
Latching Speed Adjustment |
0°-20° |
Closing Speed Adjustment |
20°-90° |
Application Temperature |
-40° to 60° |
Dimension:Length*Width*Height |
258mm*103mm*48mm |
Material of Cover Plate |
304SS or 201SS |
Thickness of Cover |
1.0mm or 1.2mm |
Finish |
SSS/PSS/Matt Black |
Service Life |
Over 500,000cycles |
Warranty |
3 years |
Dorrenhaus 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.
Product detail pictures:
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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of employees building, striving hard to boost the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and European CE Certification of China Hydraulic Floor Spring Supplier – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Philippines, luzern, Argentina, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.