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Buy Floor Spring Hinge Factory – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus

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Like a result of ours specialty and repair consciousness, our enterprise has won a superb popularity amid buyers everywhere in the environment for Door Soft Closer, Concealed Door Closer For Aluminium Door, Hydraulic Door Closer, We will provide high-quality products and excellent services at competitive prices. Start benefiting from our comprehensive services by contacting us today.
Buy Floor Spring Hinge Factory – 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


Product detail pictures:

Buy Floor Spring Hinge Factory –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Floor Spring Hinge Factory –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Floor Spring Hinge Factory –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Floor Spring Hinge Factory –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Floor Spring Hinge Factory –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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Our goods are commonly recognized and reliable by consumers and may satisfy continually developing economic and social needs for Buy Floor Spring Hinge Factory – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: New Delhi, Indonesia, Saudi Arabia, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
  • We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Klemen Hrovat from Zurich - 2018.12.22 12:52
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Madge from Juventus - 2017.05.31 13:26
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