Resin coated sand grey cast iron pump casing is specially produced for vertical pipeline pumps and circulating pumps. Integrated one-piece casting forms complete flow channel, flange and base without welding. Smooth casting surface effectively reduces air holes, sand holes and water leakage issues. Grey cast iron material features noise reduction, wear and corrosion resistance, suitable for long-term fluid transportation. We support one-stop service including casting, precision machining and anti-corrosion coating, widely matched with various water pump manufacturers.
Specifications
| Item | Specification |
| Material | HT200 / HT250 grey cast iron |
| Casting Technology | Resin coated sand casting |
| Working Pressure Range | 0.6–1.6MPa |
| Standard Coating | Red anti-rust primer, epoxy topcoat optional |
| Structure | Integrated volute, flange, support base, inner flow channel |
| Post Processing | Sand cleaning, stress relief aging, turning, boring, tapping |
| Customization | Flange size, flow channel volume, mold, cast logo, surface paint |
Applications
HVAC circulating pumps, industrial pipeline centrifugal pumps, household booster pumps, sewage treatment pumps, agricultural irrigation pumps, fire pressure stabilizing pumps and other fluid conveying equipment.

















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