W、WY型 使用范围：
W、WY型往复式真空泵广泛用于炼油、颜料、塑料、肥皂、食品、制糖、制药等方面的真空蒸馏、蒸发结晶、干燥过滤、建筑方面的混凝土作业、治金工业中的真空除气以及其它部门需要的低压、低温作业。
The type of W,WY vacuum pumps are widely used in vacuum distillation in respects of oil refining、 pigment、 plastics、soap、food、suger refinging、pharmacy、agricultural chemical、 chemical industry .They are also used in evaporate crystallization, dry filter ,concrete work in respects of building ,vacuum exhausting air of metallurgical industry and work of low pressure, low temperature in the other departments。
