SN series three screw pump has self-priming ability when its working(can be found in NPSHr table). It can use in horizontal-type, flange-type or vertical, set according to the universalized, serialized of the parts. It has many kinds of structures as footing-type, supporting-type. Etc. It also can offer heating or cooled structures according to the delivery medium.

It can delivery non-corrosive oil or equiverlent lubricate liquid without solid particals.