Deep Well Pump Sizing Guide: How to Calculate Flow Rate and Total Dynamic Head
2026-08-06
Selecting a deep well submersible pump requires more than matching the pump head to the well depth. The correct model must deliver the required flow rate at the system’s actual total dynamic head, or TDH. If either value is calculated incorrectly, the pump may provide insufficient water, consume ...
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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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Batch of 250QJH180-136-125kW SS316 Submersible Pumps Tested for Congo
2026-07-30
A batch of 250QJH180-136-125kW stainless steel submersible pumps has completed the scheduled testing process for a customer order from Congo. Each pump is configured with a rated flow of 180 m³/h, a rated head of 136 meters and a 125 kW motor operating at 380 V and 50 Hz. The available test records ...
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How to Classify and Select Cast Iron Submersible Pumps
2026-07-18
Cast iron submersible pumps are widely used for deep well water extraction, agricultural irrigation, municipal water supply, mining drainage, industrial water transfer, and groundwater development. Their multistage construction allows them to provide different combinations of flow rate and head. ...
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