Views: 0 Author: Site Editor Publish Time: 2026-01-07 Origin: Site
Below is a practical, buyer-oriented guide for sourcing cooling tower fan motor replacement from China, especially for HVAC, industrial, and power plant cooling towers.
* Directly replace the original OEM motor
* Match power, speed, mounting, shaft, and thrust load
* Operate reliably in hot, humid, corrosive environments
* Vertical hollow shaft (VHS) motors
* Vertical solid shaft motors
* Horizontal TEFC motors
When replacing a cooling tower fan motor, all items below must match:
* Power: kW / HP
* Voltage: 380 / 400 / 415 / 440 / 460 V
* Frequency: 50 Hz / 60 Hz
* Speed: 720 / 960 / 1450 / 1750 RPM
* Efficiency: IE2 / IE3 / IE4
* VFD compatibility: Inverter-duty (if applicable)
* Motor type: Vertical or Horizontal
* Shaft: Hollow or Solid
* Thrust rating: Standard / Medium / High
* Mounting: Flange / Foot / P-base
* Shaft diameter & length
* Keyway size
* Enclosure: TEFC
* IP rating: IP55 / IP56
* Insulation: Class F (Temp rise B)
* Anti-corrosion coating
✔ Exact replacement for Marley / BAC / EVAPCO / SPX
✔ OEM & private labeling
✔ Short lead time (7–20 days)
✔ Cost saving 20–40% vs OEM brands
✔ Export packing & global shipping
Main supplier regions:
Zhejiang • Jiangsu • Anhui (Wannan motor base)
❌ Using standard induction motor (not cooling tower duty)
❌ Ignoring thrust bearing capacity
❌ Wrong shaft size or mounting flange
❌ No moisture drain or anti-corrosion protection
❌ No vibration test before shipment
To get correct replacement:
1. Original motor nameplate photo
2. Cooling tower brand & model
3. Vertical or horizontal?
4. Shaft type & size
5. Voltage / Hz
6. IP rating requirement
7. Quantity & delivery time
