特点：Features:

◆    该泵采用了本厂获国家专利权的先进结构
Our factory’s advanced structure which won national patent is adopted for this pump.

◆    极限真空度高，抽气速率高
High ultimate vacuum and high pumping rate

◆    不喷油、停泵不返油
Without oil spout and without backstreaming when pump stopped

◆    气镇性能好
Good performace of gasballast

◆    换油周期长
Long drain period

◆    噪音低，体积小、重量轻
Low noise, small and light

◆    风冷，泵温低
Wind cooling, Low pump temperature

◆    性能一致性好，运转可靠
Consistent performance & reliable operation