How do you judge the quality of a PK belt?

You can judge PK belt quality by checking rubber material, rib precision, tensile strength, length tolerance, noise level, heat resistance, and manufacturer consistency.

What material is best for a PK belt?

EPDM rubber is the best material for PK belts due to its durability and heat resistance.

How long does a PK belt last?

A high-quality PK belt typically lasts between 60,000 and 100,000 kilometers depending on usage and maintenance.

Ribbed Poly V-Belts

Moulded Sleeve Poly V-Belts PJ PK PL

Name: Moulded Sleeve Poly V-Belts PJ PK PL
Brand: Realshow Belt
SKU: 267
Availability: InStock
Rating: 5 (1 reviews)

Realshow Moulded Sleeve Poly V-Belts (also known as V-ribbed belts), are high-performance power transmission belts featuring longitudinal triangular ribs with a 40° top angle. Sections PJ PK PL are available.

These belts combine the flexibility of flat belts with the power transmission capability of V-belts, making them ideal for high-speed, compact drive systems. With excellent flexibility, high efficiency, and the ability to handle speed ratios up to 1:30, they are widely used in automotive, household appliances, industrial machinery, and agricultural equipment.

Product Highlights

• High power transmission capacity
• Suitable for high-speed drives up to 50 m/s
• Oil resistant and antistatic construction
• Flexible, smooth, and quiet operation
• Capable of speed ratios up to 1:30

Description
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Key Features

Advanced V-Ribbed Belt Construction

Poly V-belts are flat cord-reinforced transmission belts with longitudinal triangular ribs, providing improved flexibility and efficient power transmission in compact drive systems.

High Power Transmission Capability

The ribbed design increases contact surface area, enabling high power transmission while maintaining smooth and efficient operation.

High Speed Performance

These belts support maximum speeds up to 50 m/s, making them suitable for high-speed industrial machinery and automotive drives.

Wide Speed Ratio Range

Poly V-belts can operate with speed ratios exceeding 1:30, allowing greater flexibility in drive design.

Resistant to Oil, Heat, and Static

Manufactured using durable rubber compounds, these belts are oil resistant, antistatic, and capable of operating within temperatures from -25°C to +100°C.

Quiet and Smooth Operation

Due to their flexible ribbed structure, Poly V-belts provide low vibration, quiet operation, and smooth power transmission.

Applications

Realshow Moulded Sleeve Poly V-Belts are used across a wide range of industries:

Household Appliances

Dryers
Cleaning and health care equipment

Agricultural Equipment

Harvester combines
Power-driven sprayers
Engines for agricultural tools

Machine Tools

CNC lathes
Milling machines
Drilling machines
Grinding machines

Industrial Machinery

High-speed printing machines
Flour grinders
Agitators
Air blowers
Generators
PU compressors

Other Applications

Broadcasting equipment drives
Hovercraft drives

Dimensions：

Section	Top Width	Thickness	Angle
Section	(mm)	(mm)	(Deg)
PJ	2.34	3.9	40
PK	3.56	4.7	40
PL	4.7	10	40

Learn more about belt types in our guide: What is a V belt?

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