... , USDA, FDA 2.Non-Metallic Materials: Polypropylene, PVDF Pneumatic Diaphragm Pumps are ideally suited for highly corrosive fluids ... duty non-metallic pumps are constructed in Polypropylene, PVDF, Conductive Acetal and Conductive Polypropylene with TPE (thermal ... Iron, Stainless Steel and Alloy CNon-Metallic Materials: Polypropylene, PVDF, Nylon and Conductive AcetalCertifications: ATEX, CSA, UL, CE, ...