High flow midship pump. Up to 2250 GPM. The best selling singlestage pump. Midship Split Drive Line Manifolded pump.
高流量中置泵，最大流量达2250 GPM。是最畅销的单级泵。复合以中置分离传动轴承泵。
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Change gear ratio range, in particular, using planetary transmission, the transmission ratio can be up to 100 ~ 200 (singlestage), the growth rate for slow down or drive.
ZK3-6/250 singlestagedrive electrical locomotive adopts step speed adjustment with the characteristics of easy operation, simple structure, reliable running and easy maintenance etc.