W、WY系列往复式真空泵（无油）

W AND WY SERIES OF RECIPROCATING PUMPS (NO-OIL)

W系列泵是采用圆形固定阀结构，极限压力（绝压）小于2600Pa,而WY系列泵是条形移动阀结构，极限压力小于1300Pa。

该系列泵主要用于化工、制药、轻工、建材、电器等行业，根据用户要求，也可以按无油型式供货。

W series of pumps adopt the circle-shaped stationary valve and its ultimate pressure(absolute pressure) is lower than 2600Pa ,while the WY series of pumps adopt stripe-shaped moving valves, and it’s ultimate pressure is lower than 1300Pa.

This series of pumps are principally used in the trade of chemical industry ,medicine-manufacturing, light industry, architecture material and writing etc.. We also serve the no-oil pumps according to the demand of user.