China 8038 220V Welding Machine AC Cooling Fan Double Ball Heater Cooling Fan, Find details about China Heater Cooling Fan, Cooling Fan from 8038 220V Welding Machine AC Cooling Fan Double Ball Heater Cooling Fan
Size | Model | Rated Voltage (V) | Frequency (HZ) | Current Amp (A) | Speed (RPM) | Air flow (CFM) | Static Pressure (mmH20) | Noise Level (dBA) | Weight (G) |
80*80*38mm | 8038S | 110/120 | 50/60 | 0.14/0.12 | 2300/2700 | 22/26 | 3.0/4.6 | 30/35 | 270.00 |
8038B | 110/120 | 50/60 | 0.14/0.12 | 2400/2800 | 25/28 | 3.3/4.83 | 32/36 | 270.00 | |
8038S | 220/240 | 50/60 | 0.07/0.06 | 2300/2700 | 22/26 | 3.0/4.6 | 30/35 | 270.00 | |
8038B | 220/240 | 50/60 | 0.07/0.06 | 2400/2800 | 25/28 | 3.3/4.83 | 32/36 | 270.00 |
Different between ball bearing and sleeve bearing:
ball bearing | sleeve bearing | |
Price | higher | lower |
Brand | NSK from Japan | Made in China |
Advantage | stable performance, low noise, 5-8 years lifetime | low cost, 2-3 years lifetimes |
Material | stainless | copper sleeve |
Warranty | 30000 hours | 10000 hours |