38-21b brushless DC aluminium pump(single phase)      
Feature:      
1. The pump is designed for high temperature resistant working conditions.      
2. Life: Expected life span is about 20000 hours.      
3. Low noise: ≤45dB, far from 1m distance.      
4. Duty work: The pump can sustain heavy duty work for a day. Continuous operation.      
5. Working conditions: Applying to indoor and outdoor under temperature 40degC.      
6.Working temperature: ≤100 degC.      
7. It is waterproof and can be submersible.      
8. It specially use for solar hot water circulation, solar water heater, hot water circulation of water bed,      
water circulation of home appliance, ect.      
8. This pump is our new design, its body is made of ALUMINM material, has very good heat dissipation, it       
can work in boiled water a whole day,and its body temeprature will not increase much after long working      
time.We can offer over voltage protection, run-dry protection, signal feedback, speed control, ect.       
All the functions are custormized according to your request.      
9. THE TECHNICAL SPECIFICATIONS BELOW IS ONLY FOR YOUR REFERENCE. IT CAN      
BE CUSTORMIZED ACCORDING TO YOUR TECHINCAL REQUIREMENTS.       
Caution: Do not operate for long time when there is no water in the pump.      
      
Power supply:       
It can be powered directly by Solar panel; DC electric source; battery.

Specification:
Model	Working voltage	Working current	Static lift	Static flowrate	Temp	Remarks
38#-21b	6VDC	1500mA	2.5 meter	7 L/min	≤100degC
	12VDC	1500mA	5 meter	9 L/min	≤100degC
	24VDC	1000mA	7 meter	10 L/min	≤100degC
The tolerance of technical parameters above is ±10%
Remarks:The technical parameters above are only for your reference, please provide us your required specifications. For more detailes, please feel free to contact us.
Structure dimensions
Model	Dimension(mm)	Inlet OD(mm)	Outlet OD(mm)	Remarks
38#-21b	62.5*48*85	15.5	10.5	Outlet and inlet have antislip strip

Application:      
    1. (Solar) Hot water circulation system.      
    2. Solar water heater      
    3. Aquarium      
    4. Fountain,ect      
    5. Water circulating of home appliance,cars,ect