Heavy Duty Wedge V-Belts SPZ SPA SPB SPC

The Realshow Heavy Duty Wedge V-Belts are engineered for high power transmission in compact industrial drive systems. Compared with classical V-belts, wedge belts can transmit 1.5 to 2 times more power while occupying less space. With optimized cord construction and precise belt geometry, these belts provide improved load capacity, reduced stretch, and stable performance in demanding industrial environments.


Product Highlights

• 1.5–2 times higher power transmission compared with classical V-belts
• Compact design ideal for space-limited drive systems
• Pre-stretched tensile cords for reduced belt stretch and stable operation
• Excellent resistance to oil, heat, and static electricity
• Suitable for heavy-duty industrial machinery

Key Features

Higher Power Transmission Capacity

Wedge belts are designed to deliver significantly higher power transmission compared to classical V-belts with the same top width. Their optimized geometry allows efficient power transfer in compact drive systems.


Optimized Cord Construction

The belt features reinforced tensile cords positioned at the optimal cord line to provide maximum support during operation. This ensures improved durability and stable power transmission.


Pre-Stretched Cord Technology

During manufacturing, the tensile cords are pre-stretched before being incorporated into the belt. This process reduces belt elongation during operation and minimizes installation and take-up adjustments.


Improved Pulley Contact

The belt’s design reduces deformation of the cross-section when in contact with the pulleys. This ensures better contact between the belt flanks and pulley grooves, improving power transmission efficiency.


Durable and Reliable

The belts are antistatic, oil-resistant, and heat-resistant, making them suitable for continuous operation in demanding industrial environments.


Applications

Realshow Heavy Duty Wedge V-Belts are widely used in industrial machinery where higher power transmission and compact drive systems are required.

Typical applications include:

  • Industrial drive systems

  • Manufacturing equipment

  • Compressors and pumps

  • Agricultural machinery

  • Mining and heavy-duty equipment

  • Replacement belts for wedge drive systems

Dimensions:

We manufacture the entire range of wedge belts. The nominal length for SP wedge belts is designated as pitch length (Lp) in millimeter.

SectionTop WidthThicknessAngle
(mm)(mm)(Deg)
SPZ9.7840
SPA12.71040
SPB16.31340
SPC221840

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