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China Concealed Floor Spring Factory – D-80 Single Engine Cylinder Floor Spring – Dorrenhaus

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As a way to finest meet up with client's wants, all of our operations are strictly performed in line with our motto "High Quality, Aggressive Price, Fast Service" for Dorma Its 96 Concealed Door Closer, Door Panic Bar, Larson Door Closer, Please don't hesitate to contact us if you are interested in our products. We firmly believe our products will make you satisfied.
China Concealed Floor Spring Factory – D-80 Single Engine Cylinder Floor Spring – Dorrenhaus Detail:

Floor springs Almost invisible, yet fully functional: Floor springs ensure that your doors will close themselves after opening. They’re just as good as overhead door closers where convenience and safety are concerned. All individual parts are built into the floor or the door. Floor springs are ideal when the door design should be as unobtrusive as possible – be it at elegant portals or in upmarket shop fittings. They master this particular challenge for semicircular arched doors or all-glass doors as a single system – and with flair at that.

Performance parameters of D-80
Model D-80
Applicable Standard ANSI Grade1
Engine Cylinder Single
Max Door Width 1400mm
Max Door Weight 300kg
Max Open Degree 180°
Stop-Device 90° & 130°
Latching Speed Adjustment 0°-20°
Closing Speed Adjustment 20°-90°
Application Temperature  -40° to 60°
Dimension:Length*Width*Height 341mm*78mm*60mm
Material of Cover Plate 304SS
Thickness of Cover 1.5mm
Finish SSS/PSS/Matt Black
Service Life Over 2,000,000cycles
Warranty 5 years

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Product detail pictures:

China Concealed Floor Spring Factory –  D-80 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Concealed Floor Spring Factory –  D-80 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Concealed Floor Spring Factory –  D-80 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Concealed Floor Spring Factory –  D-80 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Concealed Floor Spring Factory –  D-80 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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We attempt for excellence, support the customers", hopes to become the top cooperation team and dominator enterprise for staff, suppliers and shoppers, realizes worth share and continual marketing for China Concealed Floor Spring Factory – D-80 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Hungary, Japan, Kuwait, If any product meed your demand, please feel free to contact us. We're sure your any inquiry or requirement will get prompt attention, high-quality products, preferential prices and cheap freight. Sincerely welcome friends all over the world to call or come to visit, to discuss cooperation for a better future!
  • The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Judy from Palestine - 2018.12.30 10:21
    Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Candy from Swiss - 2018.06.12 16:22
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