... , pharmacy, foodpackaging, medical, chemical equipment, semiconductor vacuum gas analysis and physicochemical experiments.Features: 1. The 2XZ series ... as R12/R22/R134a, new refrigerant pump suitable forR410a/R407c ), printing machinery, medical equipment, vacuum packaging, gas analysis and ... for interlayer processing, and add the oil and gas separating device at the exhaust port, withoutfuel injection ...