Common Problems During Screw Pump Operation

Stator dry burning and wear，Stator degumming，Low flow rate or no discharge，Abnormal pressure and noise，Shaft seal leakage，Motor overload

Solutions to Unstable and Decreasing Flow Rate of screw Pump

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1.Clear blockages in the suction pipeline and inspect and seal air leakage points Disassemble the suction pipeline to remove accumulated impurities and sediments; inspect connection parts such as pipeline flanges and joints one by one, replace aging gaskets, weld and repair cracked pipelines or replace them directly, ensuring the pipeline is free of air leakage […]

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Why does the screw pump decreasing flow rate or unstable?

Leave a Comment / Common Problems During Screw Pump Operation /

1.Clogging or air leakage in the suction pipeline  Accumulation of impurities and sediments in the suction pipeline will hinder the normal suction of the medium; loose seals or cracks at pipeline joints will cause air to seep into the pump body, damage the suction-discharge balance of the pump, and then lead to flow fluctuation or

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Handling Measures After progressive cavity pump Dry Burning

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After the screw pump is running idle, if handled properly, the damage to the spare parts can be minimized. 1. Immediate shutdown & coolingStop the pump at once; cool naturally to room temperature. Do NOT disassemble when hot to avoid deformation 2. Comprehensive component inspection – Check stator for cracking/deformation/severe wear → replace if damaged irreversibly  Inspect

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Causes of screw pump Stator dry-running wear

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1.The progressive cavity pump suffers from stator dry-running wear due to lack of medium， Insufficient or interrupted medium supplyLack of conveyed fluid (empty suction tank, blocked inlet pipeline) eliminates lubrication and cooling between stator and rotor. How to determine if the stator has suffered from dry burning and wear? The inner wall of the rubber shows

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