Vacuum Heating Electric Diaphragm Pump Vacuum Heating Electric Diaphragm Pumphas the features of continuous oil free pumping , low noise level , higher efficiency , long lifetime . It is mainly used in medicinal products analysis , industry of fine chemicals , biochemical pharmacy , food examination , The criminal investigation technology , etc . It is used with the precision chromatography instrument , the necessary of laboratory . This product is specially designed for laboratory , reliable and easy to use . Diaphragm pump main advantage : 1 Vacuum stable and easy to control 2 Do not consume water resources, environmental performance 3 Small size, light weight 4 Easy to use and clean 5 Sustainable and stable work 6 Maintenance and repair easy Diaphragm pump main applications: 1 Vacuum Distillation 2Reactor 3Vacuum filtration 4Vacuum concentration 5Vacuum drying