Spiral Drum Pulley

Formed by a pair of vertical steel bars around a Heavy Duty Drum.

The PPI Spiral Drum pulley is formed by a pair of vertical steel bars helically wound around a Heavy Duty Drum (HDD) pulley. This unique design is frequently used when additional cleaning action is desired without introducing additional belt vibration. Rotation of the pulley automatically starts the cleaning action by discharging foreign material to the side of the conveyor.

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  • The cleaning action of the Spiral Drum makes it an ideal alternative to a conventional wing pulley
  • The Spiral Drum reduces noise and vibration
  • Vertical steel bars helically wound around an HDD pulley maintains constant contact with the belt
  • Available in crown or straight face and also with various hub and bushing systems
  • Available in 12” through 36” diameter
  • Additional sizes are available upon request
  • Available with various styles of compression hub and bushing systems, bored to size hubs or keyless locking assemblies

Pulley O&M

Shaft Installation O&M

XT Installation Instructions

Spiral Drum Flyer

QD Bushing Installation O&M

Pulley Catalog

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