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This document discusses issues that arose from using the wrong size rotor in a progressive cavity pump used to pump sand slurries. The pump had been working well for 4 years until a supplier recommended a thinner rotor to allow for expansion at high temperatures. However, the thinner rotor did not adequately wipe the stator and sand particles became trapped between the rotor and stator, damaging them. Over several months of repairs using the wrong thinner rotors, production was severely impacted. The key le

Author

saeed

Language

EN