An economical pump for circulation or transfer service, 1 1/2", 2" and 3" industrial pumps are available in class 30 cast iron or 316 stainless steel construction. The cast iron models offer abrasive wear-resistance due to erosion, and maximum strength for heavy- duty applications. The stainless steel units are ideally suited for corrosive liquid applications, making them the cost-effective choice for moving liquids rated from 4 to 14 on the pH scale. These pumps are suitable for engine, electric motor or hydraulic drives, with capacities to 400 GPM and with total dynamic heads to 184 ft.