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Shaft seal of a centrifugal mine tailing slurry pump adopts many kinds of sealing systems: packing seal, expeller seal, mechanical seal and all sorts of special combined seals. Typically we select expeller seal or packing seal.
▲ A centrifugal heavy duty mine tailing slurry pump is mainly composed of 3 parts:
1.The anti-abrasion wet parts: (Impeller,Throatbush, Volute liner,FPL insert)
Thickened wet components for extended wear life.
2. Bearing assembly parts
3. Shaft seal parts/Gland set: Sealing flexibility choice of gland, Expeller seal or mechanical seals.
▲ Slurry sand pump gland set spare parts
▲ Expeller Seal is an impeller force of reversed centrifugal force preventing slurry leakage.
Expeller seal can be on the single stage pump when the positive pressure of pump inlet is no more than 10%
of pump outlet pressure or on the first-stage pump in the pump series.
▲ Packing Seal is a general shaft seal. It applys to various pumping conditions, PTFE and Graphite materials
of Packing can be used in high corrosive slurries or high temperature conditions.
For high abrasion conditions, The ceramic shaft sleeve is available.
| Parts Name | Parts Number | Material |
| Shaft sleeve | 075 | 3Cr13, SS304, SS316, Ceramic |
| Shaft spacer | 117 | 4Cr13, SS304, SS316 |
| Packing | 111 | Cotton rope/Polyethylene |
| Expeller, Expeller ring | 028, 029 | High chrome alloy/Cast iron/Rubber |
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