6-Inch vs 8-Inch Borehole Pumps: How to Choose？
2026-08-14
6-Inch vs 8-Inch Borehole Pumps: How to Choose? Choosing between a 6-inch and an 8-inch borehole pump is not simply a matter of buying the largest unit that fits the well. The correct pump diameter depends on three essential checks: The complete pump assembly must pass through the narrowest part of ...
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Static Water Level vs Dynamic Water Level: Which One Should You Use for Deep Well Pump Selection?
2026-08-11
A deep well pump is selected for conditions that exist while the well is pumping, not while it is resting. That is why dynamic water level - also called pumping water level - is normally the more important measurement for pump head, installation depth and dry-running protection. Static water level ...
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Deep Well Pump Sizing Guide: How to Calculate Flow Rate and Total Dynamic Head
2026-08-06
Publish-Ready Article A deep well pump should not be selected by well depth, discharge pipe size or motor power alone. The correct pump must deliver the required flow at the system's actual total dynamic head (TDH). Together, these two values form the pump duty point: flow rate at a specified head. ...
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Submersible Pump Head vs. Installation Depth: What Is the Difference?
2026-08-03
When selecting a deep well submersible pump, buyers often assume that the pump head should be equal to the installation depth. For example, if a pump is installed 100 meters below ground, it may seem reasonable to select a pump with a 100-meter head. However, installation depth and pump head are two ...
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QSZ/QSH High-Flow Submersible Pumps Packed and Ready for Shipment
2026-07-28
A batch of QSZ submersible axial flow pumps and QSH submersible mixed flow pumps has completed production and inspection. The units are now being packed and prepared for shipment to the customer’s project site. The series covers a power range of 7.5–55 kW and a flow capacity of 260–2,880 m³/h. These ...
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