WL/WLW series reciprocating vacuum pump is one of the main equipments to obtain low vacuum. Compared with the WL series production, WLW series vertical reciprocating pumps add oil trap relate to piston route so as to obtain more cleaner vacuum environment. WLW series reciprocating vacuum pump is another updating and upgrading product of W/WY/WL series. Besides the advantages of horizontal and vertical reciprocating pumps before, the outstanding characteristics are as follows：
Application:
Above points can make WLW pump be widely used in all the industry departments, such as vacuum distilling, evaporation, crystallization, drying and filter of chemical, pharmacy or food industry, degassing of the vacuum metallurgy industry and immersion of electrical equipment industry etc. It is especially applicable in the environment needing clean high pressure or the gas needing clean recycle. It overcomes the pollution brought by lubricating oil. If it is used to pump flammable and explosive gas, or used as compressor, the user should supply the special order request.
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