... -free Smooth, Pulseless Delivery Strong chemical resistance Magnetic Drive Micro Gear Pump ( AC motor, 220VAC / 380VAC) Product Introduction: 1. Using ... without leakage, 316 stainless steel shell, PEK or PPS materials gear, PTFE materials for the static sealing and bearing. Use 220VAC ... /AC3807-1 ~ 204000180AC380G1/4”Note: MG312XK "12" means the gear of the pump with the height of 12mm, "17" means ...