Pump motor is made by our company, its interior has too hot protective switch. When the temperature up to 95℃, pump motor current will be cut down and pump stops running. Pump soaks in oil and run , supplied oil by wheel and diffuser producing pressure mean while a liter oil moves between rotate axis spire groove and oil can in order to cool motor.

Power : 1.5P
Nominal flow : 250L/M
Rated voltage : 220VAC or 380VAC
Motor rated speed : 2820r/M
Noise: 68dB
Suitable oil : gasoline diesel oil and kerosene