Vertical Slurry Pump Impeller

The SP10206 is an open-type impeller designed for vertical slurry pumps, serving as the core rotating component that generates flow and pressure. Featuring a design without front or rear shrouds and with independently extending vanes, it offers a spacious flow passage that resists clogging and entanglement. It is specifically engineered to handle media with high solids content, large particles, and fibrous materials. Precision-balanced for dynamic stability and suitable for vertical long-shaft submerged applications, it offers excellent wear and corrosion resistance as well as strong interchangeability, making it a critical, high-wear spare part for slurry transport in the mining, environmental protection, and chemical industries.

  • Description
  • Specification
  • Application

Structural Specifications


- Features an open-type, shroudless design with independently cast, thick, deep vanes; offers a spacious flow passage with no dead zones, minimizing the risk of slag accumulation or clogging.

- The hub includes a standard keyway and shaft sleeve interface, compatible with vertical pump shaft assemblies; optional back vanes can be added to reduce wear and leakage.

- Precision-machined and dynamically balanced; can be integrated with optional front agitation vanes to enhance agitation of settled media at the tank bottom and prevent sediment buildup.

- Designed specifically for the vertical slurry pump; allows for adjustable clearance with the pump casing and wear plate; suitable for vertical cantilever or submerged installation configurations.


Key Features


1.  **Excellent Solids Handling:** The open, unobstructed structure allows for the smooth passage of large solid particles and long-fiber impurities; resistant to clogging or entanglement, making it ideal for high-solids applications.

2.  **High Wear Resistance & Durability:** Heavy-duty vane design with optional surface hardening on flow-contact areas; withstands high-velocity particle erosion and offers a long service life.

3.  **Stable Operation:** High dynamic balancing precision ensures stability in vertical long-shaft cantilever applications; minimizes vibration and noise, thereby reducing loads on the shaft assembly and bearings.

4.  **High Adaptability:** Available in various materials, including wear-resistant metal, polyurethane, and rubber; standardized specifications ensure easy installation/removal and excellent spare part interchangeability.

5.  **Application Versatility:** Double-suction flow path design reduces axial thrust; suitable for continuous submerged operation with no risk of dry-running cavitation, resulting in low maintenance costs.


Material Specifications


- Standard Wear-Resistant: High-chromium wear-resistant cast iron and high-alloy white cast iron; suitable for highly abrasive slurry and mineral pulp applications.

- Corrosion-Resistant & Elastic: Polyurethane and natural/synthetic rubber linings; offering a balance of wear and corrosion resistance; suitable for mildly acidic/alkaline environments and fine-particle media.

- Specialized Corrosion-Resistant: 304/316L stainless steel, duplex stainless steel, and Hastelloy; used for highly corrosive chemical media and seawater applications.

- Surface Hardening: Wear-resistant alloy overlay, tungsten carbide spraying, and carburizing/quenching on flow-contact surfaces; further enhancing resistance to erosion and wear to extend service life.


Applicable Operating Conditions


- Mining & Metallurgy: Mineral processing slurries, smelting slag slurries, tailings transport, and sand/gravel/mud extraction;

- Environmental Protection & Power: Power plant desulfurization slurries, municipal sewage, industrial wastewater discharge, pond desilting, and transport of fibrous sludge;

- Chemical Processing: Corrosive and abrasive slurries (acidic/alkaline), crystalline suspensions, and low-level reactor feeding;

- General Submerged Applications: Low-level liquid extraction from tanks, sump/pit drainage, pontoon-based dredging, and continuous operation for vertical cantilever pumps.


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