Water & DesalinationDesalination
Pump impeller – seawater service (centrifugal / vertical turbine)
Blade profile accuracy critical for NPSH & efficiency. Balance G2.5 minimum. WRAS / NSF 61 not applicable – seawater duty.
Specifications
Material
Super Duplex SS A890 Gr5A; CF3M (316L) for lower chloride service
Grades
CF3M
Material Class
Super Duplex
Applicable Standards
WRAS
Service Conditions
seawaterchloride
Common Processes
Investment (lost wax) / ceramic shell casting for profile accuracy
NDT & Inspection
PT (100%); dynamic balance ISO 1940 G2.5; dimensional
Typical Specs & Notes
Blade profile accuracy critical for NPSH & efficiency. Balance G2.5 minimum. WRAS / NSF 61 not applicable – seawater duty.
⚠ Caveats
Blade profile accuracy critical for NPSH & efficiency. | WRAS / NSF 61 not applicable – seawater duty.