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GM-0.5F Anticorrosive Diaphragm Vacuum Pump, Speed of Evacuation 30L/min, Ultimate pressure vacuum ≥0.099mpa 10 mbar, Orioner


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Diaphragm pumps - also known as membrane pumps - are positive displacements pumps used in the rough vacuum range from 0,5 to 1000 mbar. A membrane (rubber or PTFE ) is moving up and down in the pump body compressing and exhausting gas coming from the inlet. Inlet and exhaust check valves are actuated by the pressure difference. Diaphragm pump is oilless and it avoids cross contamination of the sample with the oil. It also saves user from maintain it frequently of changing oil or clean the internal.


GM-0.5F only made of the anti-corrosive type. The anticorrosive-type diaphragm vacuum pumps have been treated with Teflon. The parts of the pump which contact with the gas are either PTFE made or PTFE coated. It's suitable for the corrosive chemical, pharmaceutical, petrochemical gases etc. It's used for vacuum filtration, reduced pressure distillation, rotary evaporation, vacuum concentration, centrifugal concentration, solid phase extraction etc. It's high-performance product with quality reliability, unique structural design to meet the various needs of the laboratory. Other than Teflon treatment, the specifications are same as the normal-type pump.

Product Features:

1.         The strong corrosion resistance of anti-corrosive type pump. It is able to tolerate almost all strong acid (including aqua regia), strong alkali, strong oxidizer, reductant, and variety of organic solvents.

2.         It withstands high and low temperatures, can be used in temperature of -190 to 260.

3.         It is of non-sticky surface, most solid material and impurity particles cannot conglutinate on the surface.



Vacuum Adsorption 

Solvent Filtration

Vacuum Distillation

Vacuum Drying

Compressing and Converting Gas

SPE (Solid Phase Extraction) 



GM-0.5F Anticorrosive Diaphragm Vacuum Pump


Speed of Evacuation(l/m)


Temp of the body(ºC)


Ultimate pressure vacuum

≥0.099mpa 10 mbar


Vacuum & Pressure







Pump head


Temperature of working environment(ºC)


Dimensions (mm)


Voltage rating

220Vac, 50Hz

Noise level(DB)


Motor power




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