Wear and Tear of the Rotor: The spindle-shaped rotor can be made from various grades of stainless steel.
The frequency at which corrosive and abrasive fluids, harsh chemicals, and semi-solid materials are transferred through the pump also decides the need for replacement of the part. This leads to wear and tear over the time. Wear and Tear of the Stator: The stator’s constant rotating action causes friction to some extent.Here are some of the common causes of failure in rotors and stators: Of all the progressive cavity pump spare parts, the stator and rotor may need to be replaced more often than the others. What are those factors? Read the post to find answers.Ĭommon Causes of Failures of Rotors and Stators in Progressive Cavity Pumps There are many factors that may affect the performance of these pumps in a long run. However, considering the kind of strain these pumps bear and the overall wear they undergo, they require periodical maintenance, repair, and may also need replacement parts. These pumps are designed to resist high temperatures and harsh working conditions. The performance of a progressive cavity pump entirely depends on these key components. These pumps comprise a rotor and a stator with fixed-size cavities in between. Progressive cavity pumps are especially designed to handle viscous fluids and slurries with solids and particulate matter at a constant flow. They work on the principle of rotary positive displacement. Progressive cavity pumps are a crucial part of oil & gas, pulp & paper, chemical, food & beverages, and wastewater treatment industries.
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