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China Double Action Hydraulic Floor Spring Supplier – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus

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Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for Interior Door Closer, Commercial Door Closer Hinge, Corbin Russwin Mortise Lock, We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
China Double Action 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:

China Double Action Hydraulic Floor Spring Supplier –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Hydraulic Floor Spring Supplier –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Hydraulic Floor Spring Supplier –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Hydraulic Floor Spring Supplier –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Hydraulic Floor Spring Supplier –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence for China Double Action Hydraulic Floor Spring Supplier – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Berlin, Congo, Turkey, Each product is carefully made, it will make you satisfied. Our products in the production process have got strictly monitored, because it is only to provide you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Joa from Roman - 2018.10.01 14:14
    The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By James Brown from Liverpool - 2017.01.11 17:15
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