Oil & GasPumps
Centrifugal pump impeller (API 610 service)
API 610. Wear ring clearances per API 610 Table C.1. PMI mandatory for all wetted parts in sour service. NACE MR0175 hardness compliance.
Specifications
Material
CF8M (316SS) cast; CD4MCu duplex; Super Duplex A890 Gr5A; Bronze CC333G (non-H₂S utility)
Grades
CF8M;CD4MCu
Material Class
Super DuplexDuplexBronze
Applicable Standards
NACE MR0175API 610
Service Conditions
sour service
Common Processes
Investment (lost wax) / ceramic shell (SS / duplex – profile accuracy critical); sand (large DI/bronze)
NDT & Inspection
PT (SS/duplex) or MT (DI); dimensional (blade profiles, bore, balance boss); dynamic balance ISO 1940 G2.5; hardness; PMI
Typical Specs & Notes
API 610. Wear ring clearances per API 610 Table C.1. PMI mandatory for all wetted parts in sour service. NACE MR0175 hardness compliance.
⚠ Caveats
PMI mandatory for all wetted parts in sour service.