Water & DesalinationTransmission Pipeline
Pump impeller (closed / semi-open, water service)
Blade profile and balance critical for NPSH and efficiency. Near-net-shape + CNC finish. NSF 61 / WRAS for potable contact.
Specifications
Material
Bronze CC333G / CC491K; SS CF8M (316); GJS-400-15 (low cost)
Grades
CF8M;GJS-400-15
Material Class
Bronze
Applicable Standards
WRAS
Common Processes
Investment casting (SS / bronze); sand casting (DI / bronze large)
NDT & Inspection
PT or MT; dimensional (blade profile, bore); dynamic balance ISO 1940 G2.5–G6.3
Typical Specs & Notes
Blade profile and balance critical for NPSH and efficiency. Near-net-shape + CNC finish. NSF 61 / WRAS for potable contact.
⚠ Caveats
Blade profile and balance critical for NPSH and efficiency.