WLW系列無油立式往復真空泵為W系列無油往復真空泵的升級款，其相較于老款有諸多優點：

1、極眼真空度高

2、 節能、節水、節省占地面積

3、 氣閥軸向裝置，使用壽命長

4、振動小，噪音低

5、提高了真空清潔度

6 、WLW系列可采用化學鍍鎳磷或鍍哈氏合金涂層 ，能耐各類酸堿及有機溶劑腐蝕

WLW系列無油立式往復真空泵已廣泛應用于制藥 、化工、食品等行業的真空輸送提料、提煉、蒸餾、濃縮  、真空包裝、干燥、氣體解析 、尾氣回收等場合，是取代W型臥式往復泵 ，水環真空泵的理想產品。

WLW series oil-free vertical reciprocating vacuum pump is an upgraded version of W series oil-free reciproca ting vacuum pump, which has many aavantages compared with the old one

I.The ultimate vacuum is high

2.Energy saving, water saving, saving floor space 

3.Air valve axial device, long service life

4.Low vibration, low noise

5.lmproved vacuum cleanliness

6.WLW series can be coated with electroless nickel -phosphorus or Hastellay coating, which can resist vario us types of acid and alkaIi and organic solvent corrosion

WLW series oil- free vertical reciprocating vacuum pump has been widely used in vacuum conveying, refining, distillation , concen- trauon, vacuum packaging, drying, gas analysis, exhaust gas recovery, etc. in the pharmaceutical, chemical, food and other industnes. Reciprocating pump, ideal for  water ring vacuum pumps.