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Technical Articles
Technical Articles from Shan Neng. Explore micro pumps, fluid control, engineering requirements and OEM / ODM project support.
How to Choose a Micro Water Pump
Select a pump by its flow at the required system head, not by maximum flow alone.
Read guide ↗ENGINEERING GUIDEBrushless vs Brushed DC Water Pumps
Brushless motors remove mechanical brush wear, but that alone does not guarantee a particular pump lifetime.
Read guide ↗ENGINEERING GUIDEHow to Calculate Water Pump Head
Required head combines elevation difference, pressure difference and flow-dependent losses along the circuit.
Read guide ↗ENGINEERING GUIDEHow to Select Pump Flow Rate
Required flow comes from the process, while the pump must deliver that flow against the system resistance.
Read guide ↗ENGINEERING GUIDE12V vs 24V Water Pump
Choose the voltage supported by the equipment power system and the exact pump variant. Voltage alone does not establish performance.
Read guide ↗ENGINEERING GUIDEChoosing a Pump for a Coffee Machine
Water transfer and extraction are different duties. Define pressure, flow and temperature for each circuit first.
Read guide ↗ENGINEERING GUIDEChoosing a Pump for Hydroponics
Determine branch flow at the actual lift and distribution losses, then confirm compatibility with the nutrient solution.
Read guide ↗ENGINEERING GUIDEChoosing a Solar Circulation Pump
Select against loop resistance and the maximum expected fluid temperature, including abnormal operating conditions.
Read guide ↗ENGINEERING GUIDEWhy Does Water Pump Flow Decrease?
Check inlet restrictions, trapped air, supply voltage and increased system resistance before replacing the pump.
Read guide ↗ENGINEERING GUIDEWhy Does a Mini Pump Become Noisy?
Noise can originate from the pump, trapped air, restricted inlet flow or vibration amplified by the mounting structure.
Read guide ↗ENGINEERING GUIDEWhat Causes a Water Pump to Overheat?
Check supply conditions, cooling, duty cycle and whether the pump is operating outside its approved range.
Read guide ↗ENGINEERING GUIDEWhat Is Dry Run Protection?
Dry-run protection detects or responds to loss of liquid. Its availability and behavior must be confirmed for each model.
Read guide ↗ENGINEERING GUIDEHow Long Does a Brushless DC Pump Last?
There is no universal lifetime for all brushless pumps. A useful claim needs test conditions and a failure definition.
Read guide ↗ENGINEERING GUIDEHow to Select a Mini Air Pump
Use airflow at the working pressure or vacuum, then check duty cycle, power and acoustic requirements.
Read guide ↗ENGINEERING GUIDEAir Pump Pressure and Flow
Maximum pressure and maximum flow normally describe different operating points; do not treat them as simultaneous output.
Read guide ↗ENGINEERING GUIDEHow to Reduce Air Pump Noise
Reduce vibration transmission and circuit restrictions while keeping the pump within its approved operating range.
Read guide ↗LET’S DEFINE THE RIGHT FIT
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