Engineered for high-efficiency fluid handling systems, our custom pump casing and impeller castings are manufactured using advanced silica sol investment casting (loss-wax casting) or resin sand casting processes. This ensures ultra-smooth internal flow channels, tight dimensional tolerances, and excellent surface finishes that significantly minimize hydraulic friction losses and prevent pump cavitation.
Cast from high-performance alloys including CF8M (316 SS), CF8 (304 SS), duplex stainless steel, and ductile iron, these heavy-duty castings are built to withstand severe wear, high pressures, and highly corrosive media in chemical, marine, and industrial pumping systems.
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0.5 kg to 150 kg (Investment) | Up to 1000 kg (Sand Casting)
Surface Roughness
Ra 3.2 to Ra 6.3 μm (Post-cast finish)
Testing & Quality Control
100% Spectrometric Chemical Analysis, Hydrostatic Testing, Ultrasonic Testing (UT), Magnetic Particle Testing (MT), CMM Dimensional Inspection
Key Engineering Features
High-Precision Investment Casting: Utilizing precision wax injection and silica sol binder molding to guarantee complex inner geometries and smooth internal impellers with zero draft-angle limitations.
Optimized Fluid Dynamics: Mirror-smooth fluid passages minimize turbulent flow, reducing power consumption and extending the service life of the fully assembled pump unit.
Zero-Defect Integrity: Rigorous non-destructive testing (NDT) and pressure testing ensure gas-tight, bubble-tight, and blowhole-free castings capable of handling high hydraulic pressures.
Full CNC Machining Service: Equipped with in-house CNC machining centers, vertical lathes, and dynamic balancing machines to deliver fully finished, install-ready casings and dynamically balanced impellers.
Primary Industrial Applications
Chemical Process Pumps: Cast from CF8M/Duplex steel to safely handle highly aggressive chemicals, acids, and corrosive processing media.
Water Treatment & Slurry Pumps: Heavy-walled ductile iron casings designed for high abrasion resistance in municipal wastewater treatment and mining slurry systems.
Marine & Offshore Pumps: Specialized seawater-resistant alloys tailored for marine cooling water, ballast, and desalination high-pressure pumps.
Boiler Feed & Condensate Systems: High-temperature carbon steel casings engineered to withstand continuous thermal expansion and high-pressure steam utility.
