Proper storage of Centrifugal pump is important for maintaining their functionality and extending their service life. Whether the Centrifugal pump is stored as a new spare or after being used for a period of time, critical protective measures should not be neglected. The following Centrifugal pump storage precautions are important to keep it in good condition so that it can operate reliably when needed.
1、The initial and most critical step involves a thorough cleaning. All fluids, including the pumped medium and cooling water, must be completely drained from the Centrifugal pump casing, seals, and piping connections. Leaving any liquid inside, especially water-based fluids, invites corrosion and scale formation that can damage impellers and internal passages. Following drainage, the entire Centrifugal pump should be cleaned to remove any residual sludge, dirt, or abrasive particles from both the interior and exterior surfaces.
2、Once clean and dry, the focus shifts to protecting the Centrifugal pump components from corrosion. A common and effective method is to introduce a protective fluid, such as dehumidified air or a suitable corrosion inhibitor, into the pump casing. This creates a non-corrosive internal environment. Particular attention must be paid to the rotating assembly. The shaft of the centrifugal pump should be rotated by hand several times every month to prevent the bearings from setting in one position and to maintain a protective oil film on surfaces.
3、Additionally, all openings, including suction and discharge flanges, must be securely sealed with blind flanges or sturdy caps to prevent the entry of moisture, dust, and insects.
4、The final phase involves the physical storage and periodic maintenance of the Centrifugal pump. The unit should be placed in a clean, dry, and vibration-free environment, shielded from direct sunlight and extreme temperature fluctuations.
If possible, store the Centrifugal pump indoors. A clear tag indicating the storage date and the preservation measures taken should be attached. Establishing a regular schedule for visual inspection and rotating the shaft is a simple yet vital practice that ensures your Centrifugal pump will be in excellent condition for its next commissioning.
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