| Customization: | Available |
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| After-sales Service: | Lifetime After-Sales |
| Warranty: | 12 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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The core difference between closed cooling towers and open cooling towers | ||
Structure | Coil + fan + spray water system, cooling medium circulates inside closed coils | Tower body with fill + fan, circulating water directly contacts air |
Heat Exchange Method | Indirect cooling (fluid in the coil does not contact air directly) | Direct cooling (water directly contacts air and evaporates for heat dissipation) |
Water Quality Requirement | Lower water quality requirement, less scaling and corrosion | Higher water quality requirement, easy scaling, needs chemical treatment |
Energy Consumption | Slightly higher (due to spray pump and coil resistance) | Relatively lower |
Cooling Efficiency | Stable performance, less affected by ambient conditions | Higher cooling efficiency but strongly affected by wet-bulb temperature |
Maintenance Cost | Low maintenance, long service life | Higher maintenance, requires regular cleaning of fill and water basin |
Application | Industrial cooling, precision equipment, areas with high water quality requirements | General factories, HVAC circulating water, areas with lower water quality demand |
Initial Investment | Higher | Lower |
Product Link | ||









