Oil free scroll vacuum pumps manufacturer / supplier in China, offering 15.8m3/h (264L/min) GWSPS300 small dry oilless oil-free electric air scroll lab vacuum pump with lower ultimate pressure lower power consumption and lower noise, No oil vortex pump GWSPS150 156L/min <0.1 mbar US/Europe/UK/India plug110 to 460V small dry oilless oil-free electric air scroll lab vacuum pump, GWSPS150 vortex small dry oilless oil-free electric air scroll lab vacuum pump with air ballast valve for freeze dryer machine and so on.
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