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

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The corporation keeps to the operation concept "scientific management, superior quality and performance primacy, consumer supreme for Mortise Front Door Lock, Double Action Floor Spring, Speedy Floor Spring, We are looking forward to forming successful business relationship with new clients in the near future!
China Concealed Floor Spring Suppliers – 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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D-80(1)
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Product detail pictures:

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

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

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

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

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


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Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for China Concealed Floor Spring Suppliers – D-80 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Peru, Chicago, Zimbabwe, Our company upholds the spirit of "innovation, harmony, team work and sharing, trails, pragmatic progress". Give us a chance and we will prove our capability. With your kind help, we believe that we can create a bright future with you together.
  • The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Eudora from Nepal - 2018.11.11 19:52
    High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
    5 Stars By Bertha from Sevilla - 2017.10.23 10:29
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