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China Borehole Pump

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Taizhou Edwin Electric Co., Ltd.
Taizhou Edwin Electric Co., Ltd.
EDWIN PUMP is a Custom Deep Well Pump Manufacturer and China Deep Well Pump Factory, which supply a wide range of water pumps and water treatment peripheral products to customers around the world.

With over 17 years of experience, Edwin provides innovative water pumping solutions to customers across 30+ countries. With a global outlook and local commitment, we provide customized solutions for agriculture, industry, and municipal sectors.
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Deep Well Pump——Industry Knowledge Extension

What Is the Service Life of a Deep Well Pump?

The service life of a deep well pump refers to the length of time it can operate effectively before major repair or replacement is needed. In general, a well-installed and properly maintained deep well pump can last anywhere from 8 to 15 years, and in some cases even longer. However, its actual lifespan depends on several interacting factors rather than a fixed number of years.

Pumps made from corrosion-resistant stainless steel or high-grade engineering plastics tend to withstand long-term exposure to water and minerals better than lower-quality alternatives. Operating conditions also matter. Pumps that run within their designed flow rate and head range experience less mechanical stress, which helps extend their working life.

High sand content, sediment, or corrosive minerals can gradually wear down impellers, bearings, and seals. Even a well-designed pump may experience reduced service life if it operates continuously in poor water conditions without adequate filtration. In addition, installation quality plays a role. Proper alignment, secure electrical connections, and correct depth placement reduce vibration and overheating.

Regular inspection and basic maintenance, such as checking electrical performance and monitoring flow consistency, also contribute to long-term reliability. The table below provides a general overview of how different factors influence pump service life.

Factor

Typical Impact on Service Life

Pump material quality

Higher quality extends lifespan

Water cleanliness

Clean water reduces wear

Installation accuracy

Proper setup minimizes damage

Operating frequency

Moderate use lasts longer

Maintenance practices

Regular checks improve durability

How to Determine If a Borehole Pump Is Working Properly

Determining whether a borehole pump is working properly involves observing both its performance and operating behavior over time. One of the indicators is water flow consistency. A properly functioning pump should deliver a stable flow rate that matches its design specifications. If water pressure fluctuates frequently or flow suddenly decreases, it may suggest internal wear, blockage, or changes in water level.

Electrical performance is another important aspect. Monitoring voltage, current, and power consumption can reveal early signs of problems. A pump that draws unusually high current may be experiencing mechanical resistance, while low current could indicate insufficient load or motor issues. These checks are often carried out using basic electrical measuring tools during routine inspections.

Sound and vibration also provide useful clues. A borehole pump in good condition typically operates smoothly and quietly. Unusual noises, grinding sounds, or excessive vibration may indicate worn bearings, damaged impellers, or misalignment. These signs should not be ignored, as continued operation may worsen the issue.

Users should observe water quality changes. Increased sand content, cloudiness, or air bubbles in the water can signal problems with pump positioning, well conditions, or internal seals. Regularly comparing current performance data with initial installation records can make it easier to spot gradual declines.

Control systems and safety devices should be checked. Proper functioning of controllers, overload protection, and sensors confirms that the pump is operating within safe limits. Together, these observations form a practical and effective method for assessing whether a borehole pump is performing as intended.

How Long Should Water Be Released After Installing Deep Well Submersible Pumps?

After installing a deep well submersible pump, it is standard practice to release water for a certain period before putting the system into regular use. This process, often referred to as flushing or initial pumping, helps ensure stable operation and acceptable water quality. The duration of water release can vary depending on well depth, water conditions, and installation details, but it usually ranges from several hours to one or two days.

The primary purpose of this step is to remove sediment and debris that may have entered the well during drilling or pump installation. Fine sand, silt, and small particles can remain suspended in the water initially. Allowing the pump to run helps clear these materials and reduces the risk of abrasive wear on pump components during long-term operation.

Another reason for extended water release is system stabilization. Running the pump continuously for a controlled period allows installers to observe flow rate, pressure, and electrical performance under real working conditions. Any abnormal behavior, such as overheating or unstable output, can be identified and corrected early.

Water quality considerations are also important. In some cases, initial water may appear cloudy or contain air due to changes in pressure within the well. Releasing water until clarity improves ensures that the system is ready for domestic, agricultural, or industrial use.