replacement part excellent quality perfact surface quality and clear outline 56-60HRC hardness
Back plate liner insert is the marjor parts of the wet side , it works with the volute liner,front plate liner insert and the impeller to tranport the slurry . The working side of the back plate liner insert is easily worn out .
The lost foam casting is a good solution for the surface problem , and a range of measures are taken to prevent the casting problem , after final heat treatment , the hardness of the parts can be 56-60HRC .
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slurry pump back plate