คำอธิบาย: Features : ◆ High chemical resistant All wetted parts of Chemker series pump are made of PTFE material which can resist most of corrosive gases. ◆ No air pollution, maintenance free Chemker series pumps are driven by Diaphragm, without the need of lubricant, regular oil changes and maintenance; with no oil pollution. ◆ Quiet and low vibration Driven direct by motor with no additional belt-driven transmission; the quality vibration-proof assembly makes Chemker series run at the lowest noise level among all other equivalent pumps. ◆ Thermal protection device Every motor of Chemker series pumps has a built-in thermal protection device to shut off the pump automatically when overheated and then resume working when the temperature cools down. International safety certification : ◆ CE certification Applications : ◆ Vacuum filtration ◆ Gel electrophoresis ◆ Solid-Phase Extraction (SPE) ◆ Solvent purification