Designed specifically for arduous applications such as mining and of course general industrial. Standard materials of construction include Ductile Iron wet ends, Stressproof or 17-4H stainless steel shafts and a variety of impeller materials including Ductile Iron, CA6NM Stainless Steel and CD4MCU Duplex Stainless Steel. Excellent NPSHr characteristics for handling entrained moisture. High efficiency designs offering unrivaled performance.