Heavy Metal Guide to Pump & Flow Control Materials

Brian Gongol, DJ Gongol & Associates

Pumps and flow-control tools like gates and valves use a wide range of metals and non-metallic materials, including cast iron, ductile iron, stainless steel (of all grades), carbon steel, aluminum, bronze, high-chrome iron, ceramics, UHMW-PE, PTFE, neoprene rubber, and many more. When is it appropriate to use one rather than another? What matters in the selection process? And how much is it worth paying to get a "premium" material?