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What Is a Progressive Cavity Pump?
A progressive cavity pump operates using a single-helix metal rotor turning within a double-helix elastomeric stator. As the rotor rotates, cavities are formed between the rotor and stator that progress axially, moving fluid from the suction to the discharge side in a continuous and smooth motion. This mechanism allows for the handling of viscous, shear-sensitive, or abrasive fluids without significant degradation.
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Applications of Progressive Cavity Pumps
Progressive cavity pumps are employed across various industries due to their ability to handle difficult fluids. Key applications include:
1. Oil and Gas
Pumping crude oil, especially with high viscosity or containing sand, gas, or water.
Downhole PCP systems are used in artificial lift processes to extract oil from wells.
2. Wastewater Treatment
Handling sludge, slurry, and thickened biosolids.
Pumping chemical additives for pH control and disinfection.
3. Food and Beverage
Transferring viscous food products such as sauces, dairy, and fruit concentrates.
Ensuring gentle handling of shear-sensitive ingredients without compromising texture or structure.
4. Chemical and Pharmaceutical
Metering chemicals accurately.
Handling corrosive or hazardous substances that require enclosed, leak-proof systems.
5. Mining and Construction
Pumping grout, bentonite, and mine tailings.
Transporting highly abrasive slurries.
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