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

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

Features : ◆ No air pollution, maintenance free Rocker series pumps are driven by Piston, without the need of lubricant, regular oil changes and maintenance; with no oil pollution. ◆ Vacuum regulator Rocker series pumps are equipped with vacuum regulator to adjust vacuum. ◆ Thermal protection device Every motor of Rocker 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 drying ◆ Vacuum oven ◆ High volume degas ◆ High volume vacuum filtration ◆ Filtration for microbiology test ◆ Air sampling ◆ Suspended solid test

Features : ◆ No air pollution, maintenance free Rocker 300C vacuum pump is driven by diaphragm, without the need of lubricant, regular oil changes and maintenance with no oil pollution. ◆ Good chemical resistance The diaphragm chamber of Rocker 300C coated with PTFE and the SS # 316 valve plate can offer good resistance to a wide range of corrosive gases. ◆ Thermal protection device Every motor of Rocker 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 ◆ IP 30 protection ◆ ROHS certification Applications : ◆ Vacuum filtration ◆ Solid-Phase Extraction (SPE) ◆ Solvent purification

Features : ◆ No air pollution, maintenance free Rocker series pumps are driven by Piston, without the need of lubricant, regular oil changes and maintenance; with no oil pollution. ◆ Prote™ overflow protection Rocker series pumps are equipped with Prote™ overflow protection which can prevent a large amount of liquid from being sucked into the pump. ◆ Moisture trap with filter cartridge Rocker series pumps are equipped with filter cartridge in air inlet to filter particle and moisture to prolong the life of pump. ◆ Vacuum regulator Rocker series pumps are equipped with vacuum regulator to adjust vacuum. ◆ Thermal protection device Every motor of Rocker 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 ◆ CSA certification ◆ IP 30 protection class ◆ ROHS certification Applications : ◆ Filtration for microbiology test ◆ Air sampling ◆ Suspended solid test ◆ Vacuum filtration

Our diaphragm vacuum pump has the features of continuous oil free pumping, low noise level, higher efficiency, and long lifetime. It is the ideal product used with the high-accuracy chromatogram apparatus, rotary evaporators and so on. This rang of vacuum pumps were developed especially for laboratory operations. It satisfies the highest expectations in terms of precision, reliability and ease of use.

Features : ◆ No air pollution, maintenance free Rocker series pumps are driven by Piston, without the need of lubricant, regular oil changes and maintenance; with no oil pollution. ◆ Prote™ overflow protection Rocker series pumps are equipped with Prote™ overflow protection which can prevent a large amount of liquid from being sucked into the pump. ◆ Moisture trap with filter cartridge Rocker series pumps are equipped with filter cartridge in air inlet to filter particle and moisture to prolong the life of pump. ◆ Vacuum regulator Rocker series pumps are equipped with vacuum regulator to adjust vacuum. ◆ Thermal protection device Every motor of Rocker 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 ◆ CSA certification ◆ IP 30 protection class ◆ ROHS certification Applications : ◆ Filtration for microbiology test ◆ Air sampling ◆ Suspended solid test ◆ Vacuum filtration

Our diaphragm vacuum pump has the features of continuous oil free pumping, low noise level, higher efficiency, and long lifetime. It is the ideal product used with the high-accuracy chromatogram apparatus, rotary evaporators and so on. This rang of vacuum pumps were developed especially for laboratory operations. It satisfies the highest expectations in terms of precision, reliability and ease of use.

Our diaphragm vacuum pump has the features of continuous oil free pumping, low noise level, higher efficiency, and long lifetime. It is the ideal product used with the high-accuracy chromatogram apparatus, rotary evaporators and so on. This rang of vacuum pumps were developed especially for laboratory operations. It satisfies the highest expectations in terms of precision, reliability and ease of use.