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

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The incredibly abundant projects administration experiences and 1 to one provider model make the superior importance of small business communication and our easy understanding of your expectations for Dorma Its 96 Concealed Door Closer, Heavy Duty Door Closer With Hold Open, Self Closing Door Hinges, Create Values,Serving Customer!" would be the purpose we pursue. We sincerely hope that all clients will build long-lasting and mutually effective cooperation with us.In the event you wish to get extra facts about our enterprise, Be sure to get in touch with with us now.
China Hydraulic Floor Spring 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 Hydraulic Floor Spring Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

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

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

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

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


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We aim to find out high quality disfigurement in the generation and provide the most effective services to domestic and abroad clients wholeheartedly for China Hydraulic Floor Spring Suppliers – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Rio de Janeiro, moldova, Denmark, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we'll continue to develop, to supply the high-quality goods and services, and promote lasting cooperation with our customers, common development and create a better future.
  • Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Hedda from Lithuania - 2018.06.21 17:11
    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 Nainesh Mehta from Iran - 2018.11.22 12:28
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