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A split case pump is a type of centrifugal pump characterized by a casing that is split into two halves, typically along a horizontal plane, allowing easy access to internal components like the impeller and bearings for maintenance or repairs.

Key Features:
1. Horizontal Split Design:
• The casing is divided horizontally, making it easier to inspect and service without disturbing the motor or piping connections.
2. Dual-Suction Impeller:
• The impeller is designed to draw fluid from both sides, which balances the axial thrust and increases hydraulic efficiency.
3. Robust Construction:
• Typically made for handling large flow rates and higher pressures in demanding applications.

Applications:

Split case pumps are used when high flow rates and medium to high head pressures are required, such as:
1. HVAC Systems:
• Used for chilled water or condenser water circulation in large commercial buildings.
2. Municipal Water Systems:
• For pumping clean water in water treatment plants or distribution systems.
3. Industrial Processes:
• Circulating water in cooling towers, power plants, or other heavy-duty industrial applications.
4. Fire Protection Systems:
• Common in fire suppression systems for large facilities due to their reliability and high flow capabilities.

Advantages:
• High Efficiency: The dual-suction design reduces energy losses.
• Ease of Maintenance: Horizontal split allows quick access to components.
• Durability: Can handle continuous operation in demanding conditions.

Limitations:
• Size and Weight: Requires significant floor space and is heavier compared to other pump types.
• Cost: Initial investment and installation costs can be higher.
• Alignment Sensitivity: Proper alignment is critical for optimal performance.

When to Use:
• When you need high flow rates (e.g., several thousand GPM) and reliability in a system requiring minimal downtime.
• When you need a pump that is easy to service without dismantling extensive piping.

Would you like more detail on a specific application or technical design?