... ,leak-free Smooth, Pulseless Delivery Strong chemical resistance Magnetic Drive Micro Gear Pump ( AC motor, 220VAC / 380VAC) Product Introduction: 1. ... for the static sealing and bearing. Use 220VAC or 380VAC micro motor, the flow can be realized without steps. 2 ... . Widely used in medical machinery, fine chemicals, water treatment printing, cleaning, packaging, food processing, and other areas ...