Lightweight Self-priming Permanent Magnet Variable Frequency Pumps

Lightweight self-priming permanent magnet variable frequency pumps are multi-stage centrifugal pumps with a thickened stainless steel pump head. These pumps are suitable for applications such as water tank pumping, well water pumping, and pipeline pressure boosting. Additionally, they can be operated in parallel to form permanent magnet variable frequency pump units, with a maximum capacity of six permanent magnet variable frequency pumps interconnected in a single system. The permanent magnet variable frequency pump effectively prevents the generation of rusty water, ensuring healthy water usage. When water usage stops, the microcomputer control system automatically detects it and controls the motor to decelerate and stop. Intelligent variable frequency constant pressure water supply is highly efficient and energy-saving, meeting the water usage requirements of different customers. It can achieve energy savings of 20-60%.

3. After long-term operation, mechanical wear may cause increased noise, vibration, leakage or performance degradation of the unit. In such cases, stop the pump for inspection.
4. Replace wear-prone parts (such as bearings, mechanical seals, impellers, etc.) if necessary. The unit warranty period is one year.

4. The allowable leakage tolerance for the mechanical seal is 3 drops per minute; otherwise, it requires inspection and repair.

Model selection based on the target room, using {{0}} taps as an example: The flow rate of each tap is 0.7m³/h - 0.9m³/h. The internal pressure in the piping is the sum of all cumulative pressures, and pipeline losses must be taken into account. Each elbow is equivalent to 1 m of pressure loss. The pump's best efficiency point + internal pipe pressure - actual pipeline loss=final customer model selection (for a location with 7-8 taps).

• Install the foot valve vertically and at least 30cm from the bottom of the water to avoid sucking in sediment.
• When the length of the water inlet pipe exceeds 10 meters or the water inlet pipe head exceeds 4 meters, the diameter of the water inlet pipe must be larger than the water inlet pipe diameter of the pump.

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