Equipment Sizing Guide: Specifying the CW-800 and CW-1200 Inclined Solid-Liquid Separators

Specifying the correct separation machinery dictates the success of your entire water treatment infrastructure. If the separator is undersized, the overflow weir will flood, bypassing raw sewage into downstream tanks. If it is heavily oversized, the facility wastes capital on unnecessary electrical draw. Plant engineers must match the machine’s rated working capacity strictly to their peak hourly effluent flow rates.

Our standard heavy-duty inclined screen solid-liquid separators are manufactured in two primary configurations: the CW-800 and the CW-1200.

Technical Parameter Comparison

Technical ParameterCW-800 ModelCW-1200 Model
Power Draw (kw)2.24
Total Weight (kg)310480
Working Capacity (m³/h)20 – 2535 – 40
Mesh Dimensions (mm)800 * 8001200 * 1200
Inlet Pipe Diameter (mm)7676
Outlet Pipe Diameter (mm)160160

Analyzing the Engineering Data

  • Standardized Piping: Both units utilize a standardized 76mm inlet and a 160mm outlet. This standardization simplifies integration into existing plant piping manifolds, requiring minimal plumbing retrofits regardless of which model is specified.

  • Throughput Scaling: The working capacity does not scale linearly with power. The CW-800 processes up to 25 cubic meters per hour utilizing a highly efficient 2.2kw motor. Upgrading to the CW-1200 provides a 60% increase in maximum throughput (up to 40 m³/h) while requiring a 4kw power supply.

  • Active Screen Area: The critical variable for high-volume, low-solid mixtures is the active filtration footprint. The CW-1200 provides a massive 1200x1200mm screen surface, ensuring adequate retention time for the water-cutting wedge mesh to operate efficiently under peak flow conditions.

5. Call to Action (CTA):

Ensure your separation equipment is sized perfectly for your peak flow. Download the complete CAD layouts and motor specifications for the CW series separators to begin your facility integration planning.

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