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

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Our organization sticks to your principle of "Quality may be the life of your organization, and reputation will be the soul of it" for American Door Closer, External Door Closer, Norton Door Closer Hold Open Arm, Our mission is to allow you to create long-lasting relationships together with your consumers via the ability of marketing merchandise.
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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D-80(1)
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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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Our personnel are always in the spirit of "continuous improvement and excellence", and with the superior quality products, favorable price and good after-sales services, we try to win every customer's trust 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: New Orleans, Nepal, Zambia, Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of "Quality First, Reputation First, the Best Services."
  • The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Gloria from Slovakia - 2018.06.19 10:42
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Maria from Ireland - 2018.12.11 14:13
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