ZL-400T 400 Ton FRP Counter Flow Cooling Tower for Maintenance Technician
The ZL-400T cooling tower is designed, manufactured, and tested in accordance with the following authoritative standards supporting Maintenance Technician applications:
The ZL-400T is one of 10 active ZL-400T configurations covering Maintenance Technician applications plus 10 buyer perspectives across 11 cooling capacities (10T to 500T). Engineers evaluating cooling options can compare related configurations:
| Parameter | Value |
|---|---|
| Model | ZL-400T |
| Cooling Capacity | 400 RT (1407.0 kW heat rejection) |
| Water Flow Rate | 312.1 m3/h (5201 L/min) |
| Cooling Range | 5C (37C inlet to 32C outlet at design WB 27C) |
| Approach to Wet-Bulb | 5C at design conditions |
| Fan Motor | 7.5 kW (10.05 HP) 380V 3-phase 50Hz |
| Fan Diameter | 2700 mm axial |
| Air Flow Rate | 2400 CMM (1440000 m3/h) |
| Head Loss at Design Flow | 36 kPa |
| Tower Dimensions (H x D) | 3870 x 5600 mm |
| Dry Weight | 2840 kg |
| Operating Weight (filled) | 5740 kg |
| Noise Level | 68 dB(A) at 1 m |
| Tower Body Material | FRP (Fiberglass Reinforced Plastic) |
| Fan Blade Material | Aluminum alloy |
| Configuration | Counter Flow Square |
| Voltage | 380V 3-phase 50Hz (customizable 220V/415V) |
| Certifications | CE / ISO 9001:2015 |
| Warranty | 1 year (consumables excluded) |
Routine maintenance schedule: weekly water level check, monthly water quality test, quarterly fill inspection, annual full shutdown inspection
Water treatment protocol with NSF/ANSI 60 certified scale inhibitor, corrosion inhibitor, and oxidizing biocide maintains 800-2500 µS/cm conductivity
Spare parts kit with SKF bearings, V-belts, spray nozzles, float valve, and basin chemicals provides 24-hour delivery to most industrial zones
Vibration analysis per ISO 10816-3 with handheld analyzer at fan motor bearing housings identifies Zone C/D conditions requiring maintenance
Cold climate package with thermostat-controlled fan, basin heater, and recirculation bypass enables sub-freezing operation below 0C ambient
Maintenance technician training with 3-day on-site program and multilingual materials (English/Spanish/Mandarin/Arabic) for global workforce
Standard water treatment for closed-loop industrial cooling includes scale inhibitor (polyphosphate-based, 2-5 ppm), corrosion inhibitor (molybdate-based, 50-100 ppm), and biological growth control (oxidizing biocide, 0.5-1.0 ppm free chlorine residual). Conductivity maintained at 800-2500 µS/cm with pH 7.5-9.0. ZILLION provides water treatment calculator based on local makeup water analysis.
Fill media inspection recommended every 6 months for visual scaling, biological fouling, and mechanical damage assessment. PVC fill typically requires replacement at 7-10 year intervals depending on water quality. ZILLION provides annual fill condition scoring service with photo documentation and replacement recommendations based on thermal performance trend analysis.
Critical spare parts inventory recommended: 2x fan motor bearings (SKF 6309-2RS1), 1x V-belt set (matched pair), 1x spray nozzle set (6 nozzles), 1x float valve assembly, 1x eliminator section (1 meter length), 5x basin water treatment chemicals. ZILLION ships spare parts kits with 24-hour delivery to most industrial zones in Southeast Asia and Middle East.
Vibration analysis baseline measurements taken at fan motor bearing housings (horizontal/vertical/axial) using handheld analyzer. ISO 10816-3 severity zones: Zone A (less than 2.8 mm/s) Good, Zone B (2.8-4.5 mm/s) Acceptable, Zone C (4.5-7.1 mm/s) Requires maintenance, Zone D (greater than 7.1 mm/s) Immediate shutdown. Common faults: bearing wear, impeller balance, foundation looseness.
Cold climate operation below 0C requires: (1) installation of thermostat-controlled fan motor to slow airflow at low load, (2) basin heater sized at 0.5 kW per ton for sub-freezing ambient, (3) water flow reduction to 50 percent of design at temperatures below -10C, (4) internal recirculation bypass for freeze protection. ZILLION provides cold climate package factory-installed.
A 12-tower cooling system at a Middle East petrochemical complex uses ZL-400T as the standard platform with maintenance technician team managing predictive maintenance via vibration analysis. Weekly vibration readings collected at 36 measurement points across 12 towers, with ISO 10816-3 severity zone trending identifying 2 motors requiring bearing replacement before failure. Annual water treatment analysis showed 92 percent tower availability versus industry benchmark 78 percent. Maintenance technician standardized spare parts kit with SKF bearings, V-belts, and fill sections reduced mean time to repair (MTTR) from 8 hours to 2.5 hours.
ZL-400T meets ASHRAE 188 Legionellosis: Risk Management for Building Water Systems standard with documented water management plan, temperature monitoring, biocide treatment program, and quarterly water testing for Legionella. Basin temperature maintained above 25C or below 20C to prevent Legionella growth range. Quarterly water test reports provided.
ZL-400T routine maintenance does not require special occupational health monitoring beyond standard hearing protection during fan motor service. Quarterly water testing for Legionella per ASHRAE 188 supports worker health surveillance. Confined space entry into basin requires per OSHA 1910.146 with retrieval system and atmospheric monitoring.
ZL-400T water treatment chemicals include: scale inhibitor (polyphosphate, NSF/ANSI 60 certified), corrosion inhibitor (molybdate, NSF/ANSI 60 certified), oxidizing biocide (chlorine or bromine, NSF/ANSI 60 certified). All chemicals with Safety Data Sheets per OSHA HazCom 2012 (GHS). Chemical inventory per EPA Tier II reporting where applicable.
ZL-400T end-of-life recycling program recovers 85 percent of mass through FRP cement kiln co-processing, PVC mechanical recycling, and stainless steel scrap recovery. Component-level material passports per ISO 18813 provided for circular economy tracking. Annual recycling rate disclosure per GRI 301 Materials standard.
ZILLION standard 3-day maintenance technician training covers preventive maintenance procedures, water treatment chemistry, fan motor service, and troubleshooting. Multilingual training materials and annual refresher certification included. Advanced 5-day certification program for mission-critical facilities available at additional cost.
ZL-400T safety features including emergency stop, vibration alarm, and confined space provisions support plant safety incentive programs. Lock-out tag-out compliance with OSHA 1910.147 documented for energy isolation procedures. Annual safety audit support and root cause analysis templates provided for maintenance incident investigation.
ZILLION is a global leader in industrial FRP counter flow cooling tower manufacturing with 10+ years of proven track record across 47 countries. For Maintenance Technician buyers evaluating cooling equipment suppliers, ZILLION delivers distinct advantages:
Contact ZILLION for ZL-400T quotation, technical submittal package, and reference customer contacts in your industry:
Leika Li Tel / WhatsApp: +86 185 2053 2504 | Email: leika@gdzillion.cn
Hendrix Lee Tel / WhatsApp: +86 156 0223 2700 | Email: hendrix@gdzillion.cn
Address: No. 2 (103B), Yian Industrial Zone, Fenggang Town, Dongguan City, Guangdong Province, China
Online Inquiry: https://zillionchiller.com/contact-us_d2
The ZL-400T 400-ton counter flow cooling tower is available in 10 perspective-specific configurations covering different buyer priorities. Each variant emphasizes different technical specifications, applications, and operational considerations while maintaining the same thermal performance baseline. Buyers can compare all ZL-400T variants:
ZILLION manufactures a complete range of industrial process cooling equipment for plastics processing, HVAC, data center, pharmaceutical, and food processing applications. Buyers specifying the ZL-400T cooling tower often pair it with complementary ZILLION products:
Buyers evaluating the ZL-400T cooling tower can reference ZL-CT cooling tower product variants, ZILLION cooling tower industry articles, and complementary ZILLION industrial equipment resources. The ZL-CT series includes square counter flow, round counter flow, and 60T to 500T capacities for industrial process cooling applications:
Quick Specs: ZL-CT40 industrial round cooling tower with 40-ton cooling capacity, FRP material, counter-flow design, 1.5kW fan, CE certified. Best for industrial chiller systems and mid-scale manufacturing. The water cooling tower is a device used for cooling circulating water. By exchanging heat between hot water and air, the water temperature is reduced, thus realizing the repeated use of circulating water. Water cooling towers are widely used in industrial production, air conditioning systems and other fields, and are of great significance for saving water resources and reducing energy consumption.
Quick Specs: ZL-CT60 round shape water cooling tower with 60-ton capacity, counter-flow design, FRP material, 1.5kW fan, CE certified. Best for industrial chiller systems and large-scale cooling. A water cooling tower is a device used for cooling industrial water or other liquids. Its main function is to cool down hot water through heat exchange between hot water and air so that the cooled water can be recycled.
Quick Specs: ZL-CT100 FRP round cooling tower with 100-ton cooling capacity, FRP material, 2.2kW fan, CE certified. Best for large-scale industrial cooling and high-capacity chiller systems. The counterflow cooling tower is a common type of cooling tower. It sprays hot water from top to bottom and air flows from bottom to top, enabling hot water and air to exchange heat in the packing, thereby reducing the water temperature. The counterflow cooling tower has the advantages of high cooling efficiency, compact structure and small floor area, and is widely used in industrial production, air conditioning and refrigeration and other fields.
Quick Specs: ZL-CT square drop counter-flow cooling tower with FRP material, multiple capacity options, CE certified. Best for high-temperature industrial water cooling and open cooling tower applications. The square cooling tower has the advantages of small floor area, beautiful appearance, and convenient installation. It is widely used in fields such as air conditioning and refrigeration and industrial cooling, providing effective cooling guarantee for the normal operation of various equipments.
Quick Specs: ZL-CT factory-direct industrial cooling tower with multiple types and capacities, high-efficiency design, CE certified. Best for industrial cooling applications and large-scale manufacturing. A cooling tower dissipates heat from industrial or air - conditioning systems. Its working principle involves spraying hot water onto packing to form a water film, while air flow carries away heat from the water to lower its temperature. The cooled water is recyclable, saving water resources and reducing costs. There are various types, such as open and closed cooling towers. Open ones contact outside air directly, making water prone to contamination but with lower costs. Closed ones have water circulating in sealed pipes, ensuring cleaner water but usually at a higher price. Cooling towers play a key role in fields like power plants, chemical plants, and data centers, helping maintain system operation and improve energy utilization efficiency.
Overview The ZL-10T is a 10-ton (35.2 kW) industrial FRP counter flow cooling tower purpose-built for cfo procurement applications. ZILLION engineered this 10-ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life in compact industrial installations. Key Specifications Cooling capacity: 35.2 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h (130 L/min) 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 (0.5 HP) 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 service life ABS plastic fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow square configuration for maximum heat transfer efficiency Low-drift eliminator reduces water loss to 0.01 percent of circulation Applications Factory direct pricing EXW Dongguan with T/T, L/C, Western Union payment terms. 1-year warranty and bulk discount at 5/10/20 unit tiers. Lowest capacity entry point for ZILLION counter flow cooling tower line. Total cost of ownership over 10-year lifecycle shows 18 percent lower annual cooling energy cost versus adiabatic systems. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, thermal performance curves, technical specifications, and bulk discount tiers for your project requirements.
Overview The ZL-10T is a 10-ton (35.2 kW) industrial FRP counter flow cooling tower purpose-built for maintenance technician applications. ZILLION engineered this 10-ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life in compact industrial installations. Key Specifications Cooling capacity: 35.2 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h (130 L/min) 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 (0.5 HP) 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 service life ABS plastic fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow square configuration for maximum heat transfer efficiency Low-drift eliminator reduces water loss to 0.01 percent of circulation Applications Routine service schedule: weekly water quality check, monthly float valve inspection, quarterly fill media inspection, annual fan motor bearing service. Direct-drive 0.37 kW motor with single-phase fan configuration. Spare parts inventory: 0.37 kW fan motor, float valve assembly, fill media sections. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, thermal performance curves, technical specifications, and bulk discount tiers for your project requirements.
Overview The ZL-10T is a 10-ton (35.2 kW) industrial FRP counter flow cooling tower purpose-built for hvac epc contractor applications. ZILLION engineered this 10-ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life in compact industrial installations. Key Specifications Cooling capacity: 35.2 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h (130 L/min) 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 (0.5 HP) 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 service life ABS plastic fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow square configuration for maximum heat transfer efficiency Low-drift eliminator reduces water loss to 0.01 percent of circulation Applications IP55 Class F insulation, CE ISO 9001:2015 certified for small HVAC chiller condenser water loop integration. Compact 1820 x 940 mm footprint fits standard equipment room layouts. Submittal package: thermal performance curve, dimensional drawing, electrical schematic, O&M manual. Project delivery 15-25 days for bulk orders. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, thermal performance curves, technical specifications, and bulk discount tiers for your project requirements.
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