Valves, Pumps & Fluid Control

Ball selection for sealing and flow systems starts with the mating seat, fluid and operating conditions. Austenitic 304 and 316/316L stainless steel balls are commonly evaluated for corrosion resistance and chemical compatibility, while hardenable 420 and 440C stainless steel balls are evaluated when hardness and wear resistance are specified. State solid or bored construction, material, finish, passivation and the inspection plan for the complete valve or pump assembly.