Stainless Steel

SS Impeller

Investment cast and precision machined impellers in CF8M (SS316) or Duplex.

Precision investment cast (lost-wax) and 5-axis CNC machined pump impellers. Available in closed, semi-open, and open vortex geometries in corrosion-resistant stainless steel alloys. Statically and dynamically balanced to ISO 1940 Grade G6.3.

SS Impeller — Stainless Steel
Representative image · Stainless Steel
Specifications

Technical profile

Casting method
Precision investment casting (lost-wax process) for ultra-smooth vane passages
Alloy grades
CF8M (SS316), CF3M (SS316L), CD4MCu (Duplex SS), CN7M (Alloy 20), Hastelloy
Impeller types
Closed radial flow, semi-open chemical, open vortex non-clog, axial propeller
Diameter range
100 mm to 600 mm outer diameter, custom trimmed to exact head/flow
Balancing
Dynamically balanced on computerized 2-plane balancing machines to ISO G6.3
Hub & Keyway
Precision bored to H7 tolerance with DIN standard keyway or splines

Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.

Key benefits

Why this product

  • Investment cast smooth internal vane surfaces improve pump hydraulic efficiency by 3% to 5%
  • CD4MCu Duplex alloy provides outstanding resistance to cavitation erosion and acid slurry wear
  • Precision dynamic balancing eliminates vibration, extending motor bearing and mechanical seal life
  • Direct replacement impellers reverse-engineered for KSB, Sulzer, Grundfos, and Goulds process pumps
Applications

Typical industries

ChemicalFoodDye ManufacturingOil & Gas

Related categories

Need this ss impeller for your line?

Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.