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The service life of the micro-pump is affected by a variety of factors, as follows:
- Brand and quality factors
– High Quality brand : Well-known brands of micro pumps usually use high quality materials and advanced manufacturing processes. In general, under normal conditions of use, the service life of high-quality brand micro-pumps can reach about 5-10 years. These brands are very strict in the selection of key components such as motors, impellers, diaphragms (if it is a diaphragm pump). For example, some industrial grade brand pumps, motor windings using high-purity copper, its insulation and conductive properties are good, can withstand long-term operation, effectively extending the service life of the pump.
– Ordinary brand : Some ordinary brands or slightly poor quality micro-pumps, due to material quality and manufacturing process limitations, the service life may be shorter, about 2-5 years. These pumps may be used for a period of time, the motor is prone to overheating, impeller wear and other problems.
- Use environmental factors
– Temperature environment : If the micro-pump works in a suitable temperature environment (generally 0-40 degrees Celsius), its service life will be longer. In this temperature range, the insulation material of the motor is stable, and the viscosity of the lubricating oil can also be maintained in a suitable range, which is conducive to the normal operation of the pump. However, if in a high temperature environment (such as more than 50 degrees Celsius), the heat dissipation burden of the motor is increased, which may accelerate the aging of the motor winding insulation layer, so that the service life of the pump is shortened to half or even shorter than the normal situation. On the contrary, in a low temperature environment, if appropriate anti-freezing measures are not taken, the water inside the pump may freeze, resulting in damage such as pump body rupture.
– Humidity environment : In a humid environment, the metal parts of the micro-pump are easy to rust, and the electronic components may also be damaged by moisture. For example, if the pump is in an environment with humidity above 80% for a long time, its service life may be shortened by 1-2 years than in a normal humidity (40%-60%) environment. Especially the miniature pumps used in some outdoor fountains or swimming pool circulation systems need to pay attention to waterproof and moisture-proof measures to extend the service life.
– Chemical environment : When the micro-pump is used to transport the liquid containing corrosive chemicals (such as acid and alkali solution), the pump body, impeller and other components will be chemically corroded. Depending on the concentration of the chemical and the strength of the corrosion, the service life will vary greatly. If it is a slightly corrosive liquid, by choosing a suitable corrosion-resistant material (such as stainless steel or plastic pump body), the pump may be able to be used for 3-5 years; However, if it is a highly corrosive liquid and effective protective measures are not taken, the pump may be damaged in a few months.
- Use frequency and work intensity factors
– Frequency of use : If the micro-pump is only used occasionally (such as 1-2 times per week, each time working 1-2 hours), its service life will be relatively long. If it is a continuous working type of application scenario, such as in the cooling circulation system of some industrial automated production lines, the wear of the pump will be aggravated. In this case of high frequency use, even a high-quality pump may have a service life shortened from the normal 5-10 years to about 3-7 years.
– Working intensity (head and flow) : When the micro-pump is working near or exceeding its rated head and flow for a long time, the load of the motor and impeller increases. For example, a pump with a rated head of 10 meters and a flow rate of 10 liters/minute, if it often operates under conditions with a lift of 12 meters and a flow rate of 12 liters/minute, the motor is prone to overload, and the impeller may be deformed, worn, etc., leading to a significant reduction in the service life of the pump, which may be only about half of that under normal circumstances.
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