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The Practical Pumping Handbook .................................................. :--~--::: ................
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Figure 8.3: Hard metal lined pump
Grinding wear as a result of fine particles being crushed between
two surfaces in close proximity, such as at the clearances between
the impeller and the front and back wear plates, or the casing itself.
Erosion abrasion caused by the impact of solid particles on the
wearing surface at high velocity.
Tough materials of construction are necessary in most of these
applications and include metal liners and/or wear plates with Ni-Hard
Figure 8.4: Rubber lined pump (Reproduced with permission of Flowserve Corp.)
m 126
