Biobase Cost-Effective 30 L/Min Laboratory Vacuum Pump Diaphragm

BIOBASE Vacuum Pump GM-0.5 Features:  * Oil free,clean exhausted air by built- in filter .* Automatic cooling exhaust system ensures 24 h operation continuously.* The pressure adjustable design can satisfy a certain range of vacuum and gas velocity.(This function does not apply to model GM-0.20)* surface treatment, anti-gas corrosion.* orange look for anticorrosive vacuum pump(eg: GM-0.33IIP, GM-0.5P, GM-0.5IIP, GM-1.0P)  Model GM-0.20 GM-0.5II GM-0.5 GM-0.33II GM-1.0 Pump Head 1 2 1 1 2 Speed of Evacuation 12 L/Min 30 L/Min 20 L/Min 60 L/Min Ultimate pressure ≥0.075 Mpa ≥0.095 Mpa ≥0.08 Mpa Vacuum 250 mbar 50 mbar 200 mbar Pressure ≥30 Psi Positive or negative pressure Negative pressure ≥30Positive, Positive or negative pressure Negative pressure ≥30Positive, Positive or negative pressure Inlet φ6 mm Outlet φ6 mm Silencer φ6 mm Silencer φ6 mm Working Temp. 7~40ºC Body Temp.