pneumatic diaphragm pump,centrifgal pump,screw pump 1. long service time ... . competitive price 3. top quality Characteristic:Standard Duty Non-Metallic Pumps are ideally suited for highly corrosive fluids, intermittent/ondemand,portable ... , low abrasive fluids, and suspended solids. Standard duty non-metallic pumps are constructed in Polypropylene, PVDF, Conductive Acetal and Conductive Polypropylene ...