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Buy Speedy Floor Spring Suppliers – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus

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Our purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Outdoor Door Closer, Sargent Mortise Lock, Universal Hardware Door Closer, Customers' reward and fulfillment are usually our biggest objective. Please make contact with us. Give us a probability, provide you with a surprise.
Buy Speedy 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


Product detail pictures:

Buy Speedy Floor Spring Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Speedy Floor Spring Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Speedy Floor Spring Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Speedy Floor Spring Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

Buy Speedy Floor Spring Suppliers –  D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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We've got a highly efficient group to deal with inquiries from shoppers. Our purpose is "100% client fulfillment by our product high-quality, price tag & our staff service" and enjoy a superb reputation amongst clientele. With quite a few factories, we will provide a wide variety of Buy Speedy Floor Spring Suppliers – D-7300 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Chile, America, United Kingdom, Nowadays our products sell all over the domestic and abroad thanks for the regular and new customers support. We provide high quality product and competitive price, welcome the regular and new customers cooperate with us!
  • High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
    5 Stars By Rachel from Jordan - 2017.03.28 16:34
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Mike from Bangladesh - 2017.03.28 16:34
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