... Magnetic Drive DC Mini Gear Pump (DC brushless motor, outside controller) Introduction: 1. Using magnetic coupling drive without leakage, 316 ... brushless DC motor combination with smaller size, with built-in limit pressure valve, the flow rate can be realized ... flow rate with 50~3500 ml / min. 3. Widely used in hemodialysis machines, printing machine, pictorial machine, medicine, chemicals, water ...