Selection & comparison
Start here when you're deciding between fan technologies or sizes.
How to Read a Fan P-Q Curve: Static Pressure vs Airflow Engineering Guide
Complete engineering guide to industrial cooling fan P-Q curves — operating points, system curves (ΔP = k·Q²), axial vs centrifugal vs blower curve shapes, stall dip, sweet spot 30-70%, 6 common selection mistakes, 5 typical scenarios, 10 FAQs. With 5 explanatory diagrams.
ComparisonDC Fan vs EC Fan vs AC Fan: Which One for Your Application?
Side-by-side comparison across 12 criteria — voltage, efficiency, control, lifetime, cost. Includes worked scenarios for PLC cabinets, telecom racks, HVAC, and OEM appliances, plus a 5-year total-cost analysis.
SelectionHow to Choose an Industrial DC Cooling Fan: Complete Technical Support
9-step decision framework covering voltage, frame size (40-280mm), bearings, motor IP rating, control signal, operating temperature, noise, and wiring. Includes use-case shortlist and L10 lifetime data.
Technical Deep-divePWM vs 0-10V vs FG: DC Fan Control Signals Complete Guide
Deep technical guide to four DC industrial fan control signals — PWM speed command, FG tachometer feedback, RD locked-rotor alarm, 0-10V analog. Includes pinout reference, voltage compatibility warnings, and worked scenarios for PLC, BMC, Arduino, and HVAC integration.