... electrical tube, bulb, chemical, package, medication and laboratory. ApplicationThis series of pump can be used itself and also used in an electrical ... , bulb, chemical, package, medication and laboratory.Characteristics Description2X-A series Rotary vane Vacuum pumps are an improved one. The pumps are basic ... (kg)55Cooling termWater cooling 2X-4A(4/L/S) Two Stage Rotary Vacuum Pump