... Low noise Features:1.The 2X series double rotary vane vacuum pump is made up with low-voltage grade of two ... to user's operating position, can allocate the pressurized pump of vacuum 3. This pump is suitable for metallurgy , chemical industry's , ... source vacuum , vacuum plating such unit's use as membrane , food packing , medicine , sucks moulding , electrons , drying ,etc 2XZ rotary van vacuum pump