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China Floor Spring Door Suppliers – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus

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To be able to give you benefit and enlarge our business, we also have inspectors in QC Team and assure you our greatest service and products for Door Lock Mortise, Mortise Door Lock, Automatic Door Openers Residential, If you pursuit the Hi-quality, Hi-stable, Competitive price parts, company name is your best choice!
China Floor Spring Door Suppliers – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus Detail:

We are a professional Door spring manufacturer and supplier in China, specializing in providing high quality customized products. We warmly welcome you to wholesale bulk Door spring stock from our factory. Contact us for free samples.

Our value message is QUALITY and SERVICE
10 years of hardware manufacturing experience
Can customized any size and color
Compensation if late delivery or bad quality
Competitive prices
Experienced professionals
24 hours online after-sales service
OEM &ODM offered
We boast our own R & D, production, exports, and logistics team

Performance parameters of D-7300
Model D-7300
Applicable Standard
Engine Cylinder Single
Max Door Width 1200mm
Max Door Weight 150kg
Max Open Degree 135°
Stop-Device 90°
Latching Speed Adjustment 0°-20°
Closing Speed Adjustment 20°-90°
Application Temperature  -40° to 60°
Dimension:Length*Width*Height 273mm*126mm*70mm
Material of Cover Plate 304SS or 201SS
Thickness of Cover 1.2mm
Finish SSS/PSS/Matt Black
Service Life Over 500,000cycles
Warranty 3 years

A floor spring is typically concealed under the floor to operate a door which requires to be closed after use, for reasons including convenience, safety or security.

Floor springs operate using what we call a CAM action mechanism. When the door is opened, regardless of in which direction, the bottom arm, which is fixed to the door, rotates the CAM spindle. This, in turn, rotates the CAM itself. The CAM is connected to the piston and, when it’s rotated, pulls the piston head


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China Floor Spring Door Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Floor Spring Door Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Floor Spring Door Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Floor Spring Door Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Floor Spring Door Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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We're also concentrating on improving the things administration and QC program to ensure we could maintain terrific gain from the fiercely-competitive company for China Floor Spring Door Suppliers – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Algeria, Senegal, Croatia, Profession, Devoting are always fundamental to our mission. We've got always been in line with serving customers, creating value management objectives and adhering to the sincerity, dedication, persistent management idea.
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Eileen from New York - 2017.10.27 12:12
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Federico Michael Di Marco from Norwegian - 2017.07.28 15:46
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