ZL-20T 20 Ton Industrial FRP Counter Flow Cooling Tower for Plant Manager Operations
The ZL-20T 20 ton cooling tower supports continuous duty operation across three-shift plant production schedules. The 0.55 kW fan motor and 165 CMM airflow design ensure stable heat rejection during peak summer loads at WB up to 30°C.
Plant operators monitor three key parameters: leaving water temperature (target 32°C at design WB 27°C), basin water level (float valve maintains makeup), and fan motor amp draw (nominal 1.5 A at 380V 3-phase). Weekly operator checks take 10-15 minutes and require no specialized training.
For plants with shift handovers, the ZL-20T HMI displays include basin level, leaving water temperature, and operating hours. Operators log readings at shift change for continuous performance trending.
Plant managers standardizing on ZL-20T cooling towers across multiple facilities gain three operational advantages:
1. Spare parts interchangeability: Common fan motors, float valves, and eliminator parts work across all ZL-CT series towers, simplifying multi-site inventory.
2. Unified operator training: Plant operators trained on ZL-20T can transition between facilities without retraining, reducing personnel scheduling constraints.
3. Centralized maintenance contracts: Single OEM service agreement covers all standard ZL-CT series towers, reducing vendor management overhead.
For plant managers operating 5+ facilities with similar process cooling loads (10-25 ton range), standardization on ZL-CT series reduces total cost of ownership by 15-20% over 10-year lifecycle.
The ZL-20T 67 kg dry weight and 1180 x 1180 x 1900 mm footprint enable rooftop installation on standard industrial building structural loads. Most plants avoid dedicated ground space by installing on reinforced concrete roofs or steel platforms.
Foundation requirements: Flat level surface, 600 x 600 mm minimum mounting area, 200 kg/m² distributed load capacity. For rooftop installations, verify local building code for cooling tower installation wind and seismic loads.
Piping considerations: Inlet and outlet water connections at 50 mm (2") flange; 220V single-phase or 380V 3-phase power supply with motor protection circuit breaker.
Weather protection: ZL-20T outdoor rating is standard IP55 motor enclosure. For winter operation in cold climates, the basin heater option prevents water freezing in sub-zero conditions.
The ZL-20T contributes to plant-level energy and water cost tracking through measurable operating parameters:
Energy consumption: 0.55 kW fan motor × 24 hours × 365 days = 4,818 kWh/year. At USD 0.10/kWh, annual fan energy cost is USD 482 per tower.
Water consumption: Drift loss 10 L/h × 24 hours × 365 days = 87,600 L/year makeup water due to evaporation and drift. At USD 2/m³, annual water cost is USD 175 per tower.
Total operating cost: Approximately USD 657/year per ZL-20T, excluding pumping energy. Plant managers integrate these figures into monthly cost dashboards.
The ZL-20T 70.4 kW heat rejection capacity covers most industrial process cooling applications at the 20 ton class:
Plastic injection molding: Supports 200-350 ton injection molding machines with mold cooling circuits. Single ZL-20T covers 1-2 mid-range presses.
HVAC chiller integration: Provides condenser water for 20-ton water-cooled chillers. Plant-wide cooling capacity scales linearly with additional ZL-20T units.
Process cooling batches: Supports batch process cooling up to 100 kW peak load with thermal storage buffer. Plant managers schedule heat-generating processes during off-peak electricity periods to optimize cost.
Production scaling: Adding one ZL-20T adds 70 kW cooling capacity at USD 367 capital cost - highly cost-effective vs dedicated cooling plant expansion.
For plant manager-led handover, the ZL-20T delivery package includes:
Operator quick-reference card: Single A4 page with daily/weekly/monthly checklist items, expected operating parameters, and emergency contact.
Maintenance manual: Comprehensive service procedures, spare parts list, and recommended water treatment regime.
Installation drawing: Foundation dimensions, piping connection details, electrical wiring diagram, and clearance requirements.
Plant managers integrate the ZL-20T handover documentation into plant-wide O&M systems, ensuring consistent operator procedures across all cooling towers.
From engineering specifications to operational hand-over, the ZL-20T platform is configured for ten distinct application profiles. Explore the other nine below:
The ZL-20T (20 ton FRP counter flow cooling tower) is one of 110 ZILLION cooling tower configurations covering 10 buyer perspectives across 11 cooling capacities. The following cross-references help plant manager buyers compare related configurations and access supporting engineering resources:
The ZL-20T cooling tower is engineered in accordance with industry-recognized standards. The following authoritative sources establish the technical baseline for plant manager applications:
A medium-scale automotive parts supplier in Mexico deployed two ZL-20T towers in N+1 configuration to support a 5-press injection molding cell. The plant manager coordinated maintenance windows with planned production changeovers, achieving 99.8% uptime over 12 months. Quarterly water treatment and annual fan motor inspection absorbed 8 hours of total maintenance time, all scheduled during non-production hours. Downtime cost savings versus a single-tower non-redundant design exceeded USD 35,000 annually. The N+1 configuration eliminated production stoppages from cooling tower maintenance.
Use the following jump links to navigate to specific sections of this product page:
This page covers the essential information plant manager buyers need when evaluating the ZL-CT series for their application. The following key takeaways summarize the most critical specifications, performance metrics, and engineering considerations:
The following questions address the most common inquiries from plant manager buyers evaluating the ZL-CT series (20 ton FRP counter flow cooling tower) for their application. Each answer references the technical specifications, performance metrics, and compliance documentation applicable to this configuration:
Standard maintenance: 3-hour quarterly visits (Q1 water chemistry, Q2 fan motor, Q3 fill media, Q4 winterization). Annual service hours: 12 hours total, well within 12-16 hour industry benchmark. Maintenance can be scheduled during planned production changeovers to eliminate downtime.
N+1 redundancy configuration eliminates production stoppages from cooling tower maintenance. With two ZL-20T towers each rated at 100% load, one tower can be serviced while the other carries full production load. Mean Time Between Failures (MTBF) exceeds 50,000 hours for the fan motor.
Operator training covers 3 interfaces: float valve (weekly level check), fan starter (rotation direction at startup, weekly amp draw), and water treatment injection (daily chemical feed, weekly water test). Standardized training across the ZL-CT series enables cross-training across multiple towers.
Recommended inventory: 1 fan motor (USD 200-400), 3 float valve assemblies (USD 50 each), 6-8 fill media sections (USD 50-90 each), 4-5 drift eliminator sections (USD 45 each), 1 spray nozzle set (USD 12). Total inventory value: USD 800-1,200 per ZL-20T installation.
N+1 configuration: two ZL-20T towers each rated at 100% of design load, with one operating and one on standby. The standby tower provides: (1) scheduled maintenance without production shutdown, (2) emergency backup if primary fails, (3) winter freeze drain-down on one tower while the other carries load.
Standardized shift handover includes 3 checks: water level in basin (visual), fan motor surface temperature (<80°C), water spray pattern uniformity. Operators log each check at shift change. This protocol standardizes across the ZL-CT fleet for consistent cross-training.
The ZL-20T cooling tower is also designed in accordance with the following additional industry standards that complement the core technical baseline:
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.
The ZL-10T 10 Ton Industrial FRP counter flow cooling tower delivers 35.2 kW heat rejection at 27C wet-bulb and 32C leaving water, designed for CFO buyers evaluating cooling tower procurement for capital projects. ZILLION engineered this 10-ton FRP counter flow cooling tower with ISO 9001:2015 quality construction for long service life. The smooth FRP shell resists algae and biofilm buildup, while the aluminum alloy fan blade is fully enclosed for operator safety. Specifications include 7.81 m3/h circulation flow, 0.37 kW fan motor, 5C cooling range, and 5C approach to wet-bulb. Pricing starts at USD 1050 EXW Dongguan, with volume discounts available. MOQ 1 unit, lead time 7-15 days for cfo procurement buyers.
The ZL-10T 10 Ton Industrial FRP counter flow cooling tower delivers 35.2 kW heat rejection at 27C wet-bulb and 32C leaving water, designed for maintenance technicians with low servicing needs and easy-access components. ZILLION engineered this 10-ton FRP counter flow cooling tower with ISO 9001:2015 quality construction for long service life. The smooth FRP shell resists algae and biofilm buildup, while the aluminum alloy fan blade is fully enclosed for operator safety. Specifications include 7.81 m3/h circulation flow, 0.37 kW fan motor, 5C cooling range, and 5C approach to wet-bulb. Pricing starts at USD 1050 EXW Dongguan, with volume discounts available. MOQ 1 unit, lead time 7-15 days for maintenance technician buyers.
The ZL-10T 10 Ton Industrial FRP counter flow cooling tower delivers 35.2 kW heat rejection at 27C wet-bulb and 32C leaving water, engineered for HVAC EPC contractor projects requiring turnkey cooling tower delivery with installation support. ZILLION engineered this 10-ton FRP counter flow cooling tower with ISO 9001:2015 quality construction for long service life. The smooth FRP shell resists algae and biofilm buildup, while the aluminum alloy fan blade is fully enclosed for operator safety. Specifications include 7.81 m3/h circulation flow, 0.37 kW fan motor, 5C cooling range, and 5C approach to wet-bulb. Pricing starts at USD 1050 EXW Dongguan, with volume discounts available. MOQ 1 unit, lead time 7-15 days for HVAC EPC contractor buyers.
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