BWZ electric chemical pump 1.Compact structure 2.Attractive design 3.Low noise 4.steady performance BWZ electric chemical pump Main ... cast iron (H), cast steel, 1Cr18Ni9Ti(B), 1Cr18Ni12Mo2Ti(M), 304, 3.4L, 306. 306L, 904, Lewmet Alloy, 20# Alloy according to ... different medium. Technical parameters:1.Capacity(Q) 3.2-2000m3/h2.Head(H)7-160m3.Operation pressure(P ...