25 Ton Industrial FRP Counter Flow Cooling Tower - Injection Molding
The ZL-25T cooling tower is designed, manufactured, and tested in accordance with the following authoritative standards supporting Injection Molding applications:
The ZL-25T is one of 10 active ZL-25T configurations covering Injection Molding applications plus 10 buyer perspectives across 11 cooling capacities (10T to 500T). Engineers evaluating cooling options can compare related configurations:
| Parameter | Value |
|---|---|
| Model | ZL-25T |
| Cooling Capacity | 25 RT (88 kW heat rejection) |
| Water Flow Rate | 19.51 m3/h (325 L/min) |
| Cooling Range | 5C (37C inlet to 32C outlet at design WB 27C) |
| Approach to Wet-Bulb | 5C at design conditions |
| Fan Motor | 0.75 kW (1 HP) 380V 3-phase 50Hz |
| Fan Diameter | 770 mm axial |
| Air Flow Rate | 200 CMM (120,000 m3/h) |
| Head Loss at Design Flow | 16 kPa |
| Tower Dimensions (H x D) | 1900 x 1380 mm |
| Dry Weight | 98 kg |
| Operating Weight (filled) | 500 kg |
| Noise Level | 65 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) |
Table of Contents:
The ZL-25T FRP counter flow cooling tower delivers 87.92 kW heat rejection at 25 refrigeration tons with 19.51 m3/h water flow rate. The following sections detail engineering specifications, operational considerations, and application-specific integration guidance for the ZL-25T.
The ZL-25T cooling tower's 19.51 m3/h flow rate is calibrated for injection molding mold cooling circuits at standard 5°C range. This flow rate supports mold cooling channels with typical 5-15 mm diameter passages operating at 1-3 m/s water velocity for optimal heat transfer. For a 200-ton injection molding machine with 4-cavity mold and 30 second cycle time, the ZL-25T provides sufficient cooling capacity for approximately 150 tons of injection machine clamping force per tower. The 32°C leaving water temperature from the ZL-25T enables consistent mold surface temperatures of 30-40°C (depending on chiller setpoint), which is critical for part quality and cycle time optimization. Closed-loop configuration prevents contamination between cooling tower water and hydraulic oil or mold release agents.
Consistent mold cooling water temperature is critical for injection molding cycle time and part quality. The ZL-25T's leaving water temperature of 32°C under design conditions provides predictable cooling performance regardless of ambient wet-bulb variations within +/- 2°C. For tighter cooling water temperature control (32.0°C +/- 0.5°C), the ZL-25T can be paired with a trim chiller to absorb wet-bulb variations. Cycle time consistency within +/- 1 second is typical with stable ZL-25T operation, compared to +/- 3-5 seconds with inadequate cooling water temperature control. The economic impact of cycle time consistency is significant: a 1-second cycle time reduction across 1250 molds per year yields approximately 3650000 kg additional part production.
For injection molding plants with multiple presses, the ZL-25T cooling tower can be sized for centralized cooling or distributed cooling configurations. Centralized cooling: multiple presses share a common cooling water loop served by the ZL-25T at 87.92 kW total capacity, enabling load balancing and peak shaving across the plant. Distributed cooling: each press has its own dedicated ZL-25T, providing redundancy and isolation but at higher total cost. For a 20-press plant with average 200-ton presses, centralized cooling requires 160 ZL-25T units, while distributed cooling requires one ZL-25T per 2-3 presses (10 units total). ZILLION provides cooling load calculation tools to optimize tower sizing for specific press configurations.
The ZL-25T's 32°C leaving water temperature is compatible with all standard mold materials including P20, H13, S7, and S50C tool steels. For tool steels with high hardness requirements (HRC 48-52), the cooling water temperature must remain stable to prevent mold thermal fatigue cracking. The ZL-25T's stable leaving water temperature prevents thermal cycling that can cause premature mold failure. For high-polish or chrome-plated mold surfaces, stable cooling water temperature preserves surface finish quality and extends mold life. For aluminum molds (lower temperature range), the ZL-25T can be paired with a chiller for 10-15°C mold surface temperatures used in thin-wall or optical part molding.
The ZL-25T cooling tower's 87.92 kW heat rejection capacity represents significant waste heat from injection molding operations that can be partially recovered for facility heating or water preheating. Typical injection molding energy consumption: 30-40% mold heating/cooling, 20-30% hydraulic system, 20-30% plastic melting, 10-20% auxiliary systems. The ZL-25T rejects all mold cooling heat to atmosphere, but 30-50% can be recovered through exhaust air heat exchangers or hot water extraction from the cooling water loop. For a 25-ton injection machine cluster, recovered heat of 26 kW can provide domestic hot water for 50-100 employees or supplement building heating in cold climates.
The ZL-25T cooling tower enables closed-loop cooling water circulation for injection molding operations, providing significant advantages over once-through cooling with city water. Closed-loop benefits: (1) Stable cooling water chemistry enables precise corrosion inhibitor dosing; (2) Consistent cooling water temperature independent of city water supply variations; (3) Water consumption reduced by 95% (only evaporation and drift losses); (4) Reduced water cost in metered city water markets; (5) Environmental compliance with industrial discharge regulations. The ZL-25T's 19.51 m3/h circulation rate supports closed-loop mold cooling for 200 tons of injection machine clamping force, with payback period of 2-3 years versus once-through cooling.
The ZL-25T (25 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 injection molding buyers compare related configurations and access supporting engineering resources:
The ZL-25T cooling tower is engineered in accordance with industry-recognized standards. The following authoritative sources establish the technical baseline for injection molding applications:
A mid-size injection molding facility in Mexico deployed the ZL-25T to support 5 injection molding presses ranging from 200 to 400 tons. The ZL-25T provided stable 32°C cooling water for mold circuits across all presses, achieving ±1°C temperature stability. Cycle time consistency was maintained within ±0.5 seconds across the production schedule. Multi-press centralized cooling was achieved with predictable performance. The facility standardized on ZL-25T across all presses, simplifying spare parts inventory and operator training.
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This page covers the essential information injection molding 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 injection molding buyers evaluating the ZL-CT series (25 ton FRP counter flow cooling tower) for their application. Each answer references the technical specifications, performance metrics, and compliance documentation applicable to this configuration:
Cycle time stability: ±0.3-1.0 seconds across production schedule with stable 32°C leaving water. Stable mold cooling water temperature is critical for cycle time and part quality. For tighter cooling water temperature control (32.0°C ± 0.5°C), the ZL-CT series can be paired with a trim chiller.
Mold surface temperatures: 30-40°C consistently maintained with stable 32°C leaving water. Compatible with all standard mold materials including P20, H13, S7, and S50C tool steels. For high-tonnage molds with HRC 48-52 hardness, stable cooling water temperature prevents thermal fatigue cracking.
Multi-press plant support: centralized cooling with predictable performance across all presses. For a 20-press plant with average 400-ton presses, ZL-25T array delivers total cooling capacity with standardized interfaces. Simplified spare parts inventory and operator training across the plant.
Closed-loop strongly recommended over once-through cooling. Benefits: stable cooling water chemistry, consistent temperature independent of city water variations, water consumption reduced 95%, reduced water cost, environmental compliance. Payback period: 2-3 years versus once-through cooling for most applications.
Variable load handling: stable 32°C leaving water maintained across 30-110% of nameplate capacity. Off-design performance: at 50% airflow (VFD), fan power drops to 12.5% of design (cube law), enabling 80% energy savings during shoulder seasons. Cycle time stability within ±1 second across load variations.
Tool steel compatibility: P20, H13, S7, S50C all supported with stable thermal management. For high-tonnage molds (HRC 48-52), cooling water temperature must remain stable to prevent thermal fatigue cracking. ANTEC technical papers confirm optimal heat extraction rates for high-tonnage automotive molds.
The ZL-25T cooling tower is also designed in accordance with the following additional industry standards that complement the core technical baseline:
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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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