2 inch inline fan vapor air blower 12 volt exhaust fans 5015 cpap blower dc fan
2 inch inline fan vapor air blower 12 volt exhaust fans 5015 cpap blower dc fan
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 |
Use Environment
| Operating Voltage | 10.2V~13.8V / 20.4V~27.6V |
| Operating Temperature / Humidity | -10°C~70°C 35%~85% |
| Stotage Temperature / Humidity | -40°C~80°C 35%~85% |
Option Function
1. Waterproof Level: IP55~IP67, fans could be work in wet environment, outdoor or under water with waterproof protection.
2. Wire leading: 2 wires(red wire:positive;black wire:negative)
3 wires(red :positive;black :negative;yellow: PWM/RD/FG/NO)
4 wires(red :positive;black :negative;Yellow :PWM;white:FG/NO)
3. Additional function: Auto-restart, FG(speed detection), RD(stoppage alarm), PWM(speed control),waterproof etc.
4. Default wire length is 200mm without connector, also can be customized as request. Please show us a picture to confirm connector and rank of wires.
1. What kinds of products supplied by your factory?
We provide DC cooling fan,DC blower fan,AC cooling fan and EC cooling fan.
2. What kind of function can we choose for fan?
Auto-restart ,Speed detection,Stppage Alarm,Waterproof(IP55-IP67 optional), PWM function etc.
3. How long can your wire length be ?
- The wire length and terminal could be customized as your request.
- Show the picture of connector and rank of wires for confirm.(Default wire length is 200mm)
4. What’s your MOQ and delivery date ?
- MOQ 200PCS
- Sample lead time:5 working days
- Mass production:15 working days
- Waterproof fans need 1 more week
5. What’s your payment terms ?
- We accept Payment by T/T,Western Union, Paypal ,L/C and advocate Credit Insurance Payment on Alibaba
- 100% payment for sample orders ,30% prepayment and Balance before shipment.
6.What kind of transportation can we choose ?
- Express:DHL,EMS,Fedex,UPS,IATA,TNT,China AIR Express,Iceland express etc.
- Sea transportation as you request.
7. What’s your packaging?
- Knife card packing,carton package
- normal carton size 43X28X43CM,different model will lead to carton size different.
8. What information should be provided before place an order?
- Fan dimension
- Rated voltage , such as 5v/12v/24v
- Speed or current amp
- Sleeve or ball bearing
- Leading wire length(default 200mm)
- 2 wire leading or 3/4 wire leading
- With terminal or not
2 inch inline fan vapor air blower 12 volt exhaust fans 5015 cpap blower dc fan
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