... itself and also used in an electrical tube, bulb, chemical, package, medication and laboratory. ApplicationThis series of pump can ... electrical tube, bulb, chemical, package, medication and laboratory.Characteristics Description2X-A series Rotary vane Vacuum pumps are an improved ... 2X-2/4A) 3. Neon light making, special & Vacuum pump.Technical Datas Parameters/Models2X-4APumping speed(L/s)4Ultimate ...