ZOOMRY lagged pulleys are Conveyor Pulleys with a layer of lagging material bonded to the shell surface — providing enhanced friction, belt grip, and wear resistance for both drive and non-drive positions. Our range includes ceramic lagging for abrasive and high-tension applications, diamond-grooved rubber lagging for water-shedding and slip reduction, and plain rubber lagging for standard applications. Manufactured from 16Mn steel shells with 45#/40Cr shafts under ISO 9001 and CEMA standards, each pulley undergoes rigorous quality control to ensure reliable performance in the most demanding mining, cement, and quarry environments.

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Why Is Pulley Lagging Critical for Conveyor Performance?

The layer of lagging material on a conveyor pulley serves three essential functions: increasing friction between the pulley shell and the Conveyor Belt to prevent slippage under load, protecting the pulley shell from abrasive wear that would otherwise thin the steel and cause premature failure, and shedding water and debris from the belt contact surface to maintain consistent grip in wet or dirty conditions.

Without proper lagging, drive pulleys lose traction — especially during startup, heavy loading, or in wet weather — leading to belt slip, accelerated cover wear, and increased energy consumption. A correctly specified lagging material eliminates these risks while extending both belt life and pulley service life to 50,000+ hours. ZOOMRY offers replaceable pulley lagging for easy on-site maintenance without removing the pulley from the conveyor.

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Which Lagging Type Is Right for Your Application?

• Ceramic Lagging — the premium choice for high-tension drive pulleys in abrasive mining and quarry environments. Ceramic tiles embedded in rubber provide unmatched grip (friction coefficient ≥ 0.45) and wear resistance, lasting 3-5 times longer than rubber lagging in severe applications. Ideal for long-distance, high-lift conveyors where belt slip cannot be tolerated.
• Diamond-Grooved Rubber Lagging — the best all-around choice for drive pulleys operating in wet or muddy conditions. The diamond groove pattern channels water away from the belt contact surface, maintaining consistent friction even during heavy rain or material wash-down. Self-cleaning action prevents material build-up that can cause belt mistracking.
• Plain Rubber Lagging — the cost-effective choice for non-drive pulleys such as tail pulleys, snub pulleys, and take-up pulleys. Provides adequate grip for belt tracking and tensioning while protecting the pulley shell from corrosion and light abrasive wear.

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Specification

Lagged Pulley
Belt Width	500-2800 mm (19-110.2 inch)
Pulley Length	500-3200 mm (19-125.9 inch)
Diameter	200-1800 mm (7.8-70.8 inch)
Standard	ISO 9001, CEMA, DIN, TUV, JIS, AS/NS, etc.
Working Life	More than 50,000 hours
Surface	Flat Rubber Lagged, Ceramic Lagged, Diamond Rubber Lagged, etc.
Main Material	Carbon Steel / 16Mn
Lagged Thickness	6mm, 9mm, 12mm, 19mm, 25mm and larger (Customizable)
Length of conveyor lagged pulley depends on the width of conveyor belt. You can get lagged pulleys with hot vulcanized rubber lagging, plain or grooved, as required by client.

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Product Video

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