Wear-resistant solutions since 2006

Throat Bush / Frame Plate Liner insert

Interface liners between impeller eye, volute and suction pipe; critical to wear-rate balance across the wet end.

Spare Parts

Throat Bush / Frame Plate Liner insert

Interface liners between impeller eye, volute and suction pipe; critical to wear-rate balance across the wet end.

What it does

The throat bush controls the clearance at the impeller eye and guides slurry into the impeller. Frame plate and cover plate liners protect the stationary end plates. Premature throat-bush wear is a common cause of unscheduled shutdowns.

Material options

  • High-chrome A05 / A49 — high-impact mill discharge duties.
  • Rubber R55 / R26 — fine-particle and corrosive slurries.
  • Duramic™ ceramic-rubber composite — extended-life option where the throat bush wears faster than the rest of the wet end.

Manufacturing & quality

Liners are cast or moulded to the original bolt pattern and sealing groove. Composite liners are bonded under controlled temperature and pressure, then machined to final dimension.

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