WLW系列无油立式往复真空泵为W系列无油往复真空泵的升级款，其相较于老款有诸多优点：

1、极眼真空度高

2、 节能、节水、节省占地面积

3、 气阀轴向装置，使用寿命长

4、振动小，噪音低

5、提高了真空清洁度

6 、WLW系列可采用化学镀镍磷或镀哈氏合金涂层 ，能耐各类酸碱及有机溶剂腐蚀

WLW系列无油立式往复真空泵已广泛应用于制药 、化工、食品等行业的真空输送提料、提炼、蒸馏、浓缩  、真空包装、干燥、气体解析 、尾气回收等场合，是取代W型卧式往复泵 ，水环真空泵的理想产品。

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.