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Home / Product Range / Transmission Belts / Rubber V-Belts / 3V-Type American Standard High-Speed Precision Narrow V-Belt, for Air-Conditioning Fans and Micro Power Equipment
  • 3V-Type American Standard High-Speed Precision Narrow V-Belt, for Air-Conditioning Fans and Micro Power Equipment
  • 3V-Type American Standard High-Speed Precision Narrow V-Belt, for Air-Conditioning Fans and Micro Power Equipment
Rubber V-Belts

3V-Type American Standard High-Speed Precision Narrow V-Belt, for Air-Conditioning Fans and Micro Power Equipment

This 3V American-standard V-belt is an ideal power solution for compact, high-speed precision equipment. The slim section greatly reduces centrifugal loss during operation, and the multi-layer composite construction keeps transmission efficiency and dimensional stability high even in equipment that starts and stops frequently.

Item Specification
Model 3V (American standard narrow V-belt)
Standard ANSI American standard
Section dimensions 3V type (top width approx. 9.5mm, height approx. 8mm)
Construction Rubber-impregnated fabric cover, high-strength polyester cord tension layer, chloroprene insulation rubber layer, special transverse reinforcing cords, chloroprene compression rubber working surface
Performance features High power rating, heat-resistant, oil-resistant, anti-static, wear-resistant, low elongation
Compatible products American standard V-belt pulleys (3V grooves)
Available specifications Multiple inside-circumference sizes; custom lengths supported
Surface characteristics Good length stability, minimal performance degradation in long-term storage
Packaging Can be bulk packed; customer brand labels supported
Key Product Advantages Key Selling Points Applications and Scenarios Contact Us

1. Low centrifugal loss at high speeds: The 3V section is only 9.5mm wide and generates very little centrifugal force during operation. In high belt-speed applications with direct motor drive, the belt is unlikely to jump out of the groove or be thrown off, so transmission is extremely smooth.
2. Transverse reinforcing cords, resistant to high-frequency shear: The unique structure incorporates special transverse reinforcing cords. This greatly improves the belt's tear resistance and handles the high-frequency shear stress from frequent forward/reverse reversals in automated equipment with ease.
3. Extremely compact, helping equipment miniaturization: At the same power, 3V needs a smaller pulley diameter and shorter center distance. For precision machine tools or HVAC equipment where every inch of internal space counts, it can greatly reduce the size of the mechanical assembly.
4. Highly stable dimensions, no spare-parts worries: Produced by high-precision molding, it resists deformation and aging in long-term storage. Whether used as OEM original equipment or as an overseas repair spare, it is "ready to swap and use," with no repeated fine adjustment.

The "efficiency king" of high-speed transmission: Minimal bending loss lets every bit of power be transmitted efficiently, saving energy and cutting emissions.
Standard on North American precision equipment: A perfect replacement for belts on North American-made high-speed fans and precision drive equipment.

HVAC and refrigeration: Commercial air-conditioning centrifugal fans, large cooling towers, and precision exhaust systems.
Light-industry precision machinery: High-speed textile machines, woodworking engraving spindles, and precision printing presses.
Power equipment: Small and micro air compressors, automotive inspection lines, and automated assembly line equipment.

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About Rentai
Transmission Equipment

Shanghai Rentai Transmission Equipment Co., Ltd. is a manufacturer specializing in R&D, production and export of mechanical transmission components. Our main products include taper lock pulleys, taper lock bushes, timing pulleys, V-belts and timing belts. We also provide OEM & ODM custom service for non-standard transmission parts. Our factory covers over 8000 square meters, with more than 100 employees including 22 technical staff. We integrate casting, machining and finishing, equipped with CNC machines and testing instruments, with an annual casting output of 2000 tons. Supported by complete quality management system and international standards, our products are exported to Southeast Asia, Middle East, Europe and America, delivering reliable transmission solutions for global industrial clients.

  • 10+

    Industry Experience

  • 100+

    Production staff

  • 2000+Ton

    Annual Production

  • 8000+㎡

    Factory Area

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