Magnetic drive pump precautions
1. Magnetic pump bearings are cooled and lubricated by the medium being pumped, so it is absolutely critical to avoid running the pump without any fluid (air-to-run). Additionally, make sure not to restart the pump immediately after a shutdown, as this can cause excessive wear due to uneven load distribution over time.
2. If the transported medium contains solid particles, a filter should be installed at the pump inlet. In cases where ferromagnetic particles are present, a magnetic filter must also be added to prevent damage to internal components.
3. During operation, the ambient temperature should remain below 40°C, and the motor temperature must not exceed 75°C to ensure safe and efficient performance.
4. The medium being conveyed, along with its temperature, must stay within the pump's specified operating range. For engineering plastic pumps, the temperature should be below 60°C, while metal pumps can handle up to 100°C. The suction pressure should not exceed 0.2 MPa, and the maximum working pressure is 1.6 MPa. The liquid density should not go beyond 1600 kg/m³, and the viscosity should not exceed 30 × 10â»â¶ m²/s. This applies especially to liquids containing hard particles or fibers.
5. If the fluid being transported is prone to precipitation or crystallization, it is essential to clean the pump thoroughly and drain all remaining fluid after use to prevent clogging and damage to internal parts.
6. After 1000 hours of normal operation, the magnetic pump should be disassembled for inspection. Check the bearings and face rings for wear and replace any consumable parts—never reuse them. Regular maintenance ensures long-term reliability and prevents unexpected failures.
Following these guidelines will help extend the life of your magnetic pump and maintain optimal performance under various operating conditions.
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