1.Open impeller with back pull out design. 2.High efficiency ... 2.Larger shaft with dynamic and static balance open impeller design 3. Used to deliver corrosive liquid containing solid ... particles 4.It is ideal pump for sugar ,food slurry ,sulphric acid ,etc .Specifications: ... fire fighting system,etc.Standar SUS304 Material LIst Open Impeller End Suction Pump