Biobase GM-0.50b 30 L Min Double Head Diaphragm Vacuum Pump

GM Collection diaphragm vacuum pump has features of more advanced design, higher efficiency, longer operating life. It is an all new product engaging in the new and high technology. It is mainly used in medicinal products analysis, tenuously chemical engineering, biochemical pharmacy, food assessment, investigating and solving criminal case, etc. It is an ideal product used with the high-accuracy chromatogram apparatus, rotary evaporators, and it is the essential equipment in the laboratory.

one. Oil free,thoroughly clean fatigued air by created- in filter .
2. Automatic cooling exhaust system ensures 24 h operation continuously.
three. The stress adjustable design and style can fulfill a specified selection of vacuum and fuel velocity.
four. TEFLON surface treatment, anti-fuel corrosion.


Model GM-.20 GM-.5B GM-.5A GM-.33A GM-one.0A
Pump Head one two 1 1 2
Velocity of Evacuation 12 L/Min 30 L/Min 20 L/Min 60 L/Min
Final pressure  ≥0.075 Mpa ≥0.095 Mpa ≥0.08 Mpa
Vacuum 250 mbar 50 mbar 200 mbar
Strain ≥30 Psi Positive or damaging stress Negative pressure ≥30 Good, Positive or unfavorable strain Adverse pressure ≥30 Constructive, Constructive or negative stress
Inlet φ6 mm
Outlet φ6 mm Silencer φ6 mm Silencer φ6 mm
Doing work Temp seven-40ºC
Physique Temp <55ºC
Sound Amount <60 dB <50 dB
Motor Energy 75W 160W
Energy use 220V/110V,50/60Hz
Diaphragm NBR
Valves / NBR
Web Excess weight 4 Kg 10 Kg 6.6 Kg six.two Kg 10 Kg
External Dimensions(L x W x H) 195×98×156mm 300×120×235mm 210×160×235mm 215*120*235mm 300×160×235mm
Gross Weight 4.5 Kg 11 Kg seven.6 Kg 7.5 Kg 11 Kg
Package Size 330*210*240 mm 314*205*316 mm three hundred*210*310 mm 315*200*310 mm 380*340*270 mm



Established in 1999

Leading professional manufacturer of laboratory and medical products with high quality and aggressive price,

Specializing in: 

*air security products

*chilly chain merchandise

*analytical instruments

*most of lab and healthcare merchandise

*laboratory household furniture,laboratory and  clean area development


1200employees in China and abroad offices.



Mail: [email protected]

Professional production Roots Vacuum Pumps, rotary vane pump, rotary piston pump, liquid ring vacuum pump, Oil-free Air Compressor, Screw Compressor, Scroll Compressor Manufacturer and Supplier.