125 Ton Industrial FRP Counter Flow Cooling Tower - Engineering Specifications
The ZL-125T FRP counter flow cooling tower delivers 439.52 kW heat rejection at 125 refrigeration tons with 97.5 m3/h water flow rate. The following sections detail engineering specifications, operational considerations, and application-specific integration guidance for the ZL-125T.
The 125-ton ZL-125T is rated at 439.52 kW of heat rejection under CTI STD-201 design conditions (95 deg F inlet water, 85 deg F wet-bulb, 5 deg F range). The flow rate of 97.5 m3/h is calibrated to a 5 deg C temperature drop across the fill media, which is the standard range for induced-draft counter-flow cooling towers. At this flow rate, the ZL-125T delivers exactly 439.52 kW of heat rejection when the leaving water temperature reaches 32 deg C against a 27 deg C wet-bulb. For applications requiring higher temperature drops (8-10 deg C), the tower can accept lower flow rates while maintaining the same 439.52 kW heat duty. This makes the ZL-125T suitable for large industrial, central cooling plants, hyperscale data center farms where standard HVAC loop conditions apply.
The wet-bulb approach is the most critical performance metric for any cooling tower. The ZL-125T achieves a 5 deg C approach under standard design (27 deg C WB), meaning the leaving water reaches 32 deg C. As ambient conditions deviate from design, the approach varies predictably: at WB 24 deg C the leaving water drops to 29 deg C; at WB 30 deg C the leaving water climbs to 35 deg C; at WB 21 deg C the leaving water drops to 26 deg C. The ZL-125T's 830 CMM airflow at 1450 mm fan diameter is specifically sized to maintain this 5 deg C approach across the expected operating range. Off-design performance is documented in CTI thermal performance curves and is reproducible year-over-year when water flow and chemistry remain within design limits.
The ZL-125T uses counter-flow geometry where water falls downward through the fill media while air rises upward through the same media. This counter-flow arrangement provides 15-20 percent better thermal performance than cross-flow designs at the same airflow rate. The tower diameter of 2900mm and height of 2570mm are optimized for the 97.5 m3/h water flow rate. PVC film fill media is standard for low-fouling operation, with cellular drift eliminators reducing drift loss to 0.005 percent of circulating flow.
The ZL-125T's axial fan delivers 830 CMM of airflow at design conditions, driven by a 2.2 kW motor at 380V 3-phase 50 Hz. The 1450mm propeller diameter is sized to move 830 CMM against the 23 kPa external static pressure of the fill media and drift eliminators. Fan tip speed is kept below 60 m/s to minimize noise (the ZL-125T operates at 65-70 dB(A) at 5 meters) and to extend bearing life beyond 50,000 hours. Direct-drive configuration eliminates belt maintenance and slip-related performance degradation. For variable-speed applications, a VFD can reduce airflow to 50 percent of design during cool-weather operation.
The ZL-125T's 23 kPa head loss at design flow (97.5 m3/h) is the external static pressure that the chilled water pump must overcome, in addition to the chiller evaporator and piping losses. For a typical HVAC installation with 80 meters of equivalent piping and a chiller with 50 kPa evaporator pressure drop, total system head requirement is approximately 130 kPa. The ZL-125T's 23 kPa contribution is significant, requiring careful pump selection. Variable-speed pump operation can save 30-50 percent pumping energy by throttling flow during low-load periods.
The ZL-125T shell is constructed from fiberglass-reinforced polyester (FRP) with UV-stabilized gelcoat surface, providing 15-20 year service life in outdoor environments. Dry weight of 540 kg and operating weight of 1640 kg require a flat concrete pad capable of supporting 1740 kg per square meter. The ABS fan is corrosion-resistant and balanced to ISO 1940 G6.3 standard. All metal fasteners are stainless steel 316 for marine environment compatibility. Compared to galvanized steel towers, FRP requires no recoating, no rust repair, and maintains thermal performance throughout its service life.
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Overview 10 Ton Industrial FRP counter flow cooling tower delivers reliable heat rejection for industrial process cooling applications. ZLILLION engineered this 10 ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life. Key Specifications Cooling capacity: 35.21 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long life ABS fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow design for maximum heat transfer efficiency Drift eliminator reduces water loss to 0.01 percent of circulation Applications Bulk procurement with EXW Dongguan factory pricing and discount tiers for wholesale orders. T/T and L/C payment terms available for international buyers. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, technical specifications, and bulk discount tiers for your project requirements.
Overview 10 Ton Industrial FRP counter flow cooling tower delivers reliable heat rejection for industrial process cooling applications. ZLILLION engineered this 10 ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life. Key Specifications Cooling capacity: 35.21 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long life ABS fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow design for maximum heat transfer efficiency Drift eliminator reduces water loss to 0.01 percent of circulation Applications Low maintenance design with weekly checks and easy motor service access. Spare parts inventory available for fast replacement and minimum downtime. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, technical specifications, and bulk discount tiers for your project requirements.
Overview 10 Ton Industrial FRP counter flow cooling tower delivers reliable heat rejection for industrial process cooling applications. ZLILLION engineered this 10 ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life. Key Specifications Cooling capacity: 35.21 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long life ABS fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow design for maximum heat transfer efficiency Drift eliminator reduces water loss to 0.01 percent of circulation Applications HVAC EPC project submittal with 380V 3-phase IP55 Class F specifications. Compatible with standard HVAC control systems and BMS integration. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, technical specifications, and bulk discount tiers for your project requirements.
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