Engineered for resilience and thermal precision, the DBNL3J-80 is a factory-direct FRP counterflow cooling tower that excels in heavy-load industrial zones and energy-efficient commercial buildings. Its counterflow design forces air downward against the water spray, delivering a compact footprint while achieving 15-20% higher heat transfer efficiency than equivalent crossflow models in high-wet-bulb regions. We manufacture the entire body—from the seamless one-piece basin to the low-noise axial fan—using UV-stabilized, flame-retardant resin, ensuring zero structural degradation under continuous 45°C ambient operation. For exporters, we offer transparent factory inspection reports, PI-certified performance curves, and mixed-load container optimization to slash your ocean freight costs. Every unit undergoes a full-water-distribution test before disassembly, guaranteeing that your site receives a 'bolt-and-go' solution with zero calibration headaches.
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Product Advantages
Counterflow Hydraulic Gradient for Maximum Thermal Gradient
Unlike crossflow designs where water cascades passively, the DBNL3J-80 employs a pressurized upward-spray system against downward forced air. This counterflow mechanism creates a steeper temperature gradient across the fill media, allowing the hottest water (up to 52°C inlet) to meet the driest air at the bottom zone—not the top. The result is a consistently lower cold-water outlet temperature, particularly valuable in tropical climates where the wet-bulb differential often shrinks below 5°C. Our internal CFD simulations confirm that this tower extracts an extra 8–12 kW of heat per cell compared to same-footprint crossflow units, directly translating to higher chiller COP or turbine exhaust condensation efficiency.
Dual-Density PVC Fill with Anti-Biofouling Grooves
We custom-extrude the fill sheets with two distinct flute angles: steep 30° upper layers for rapid water breakup, and shallow 15° lower layers for extended surface dwell time. More critically, every fill sheet incorporates micro-ribbed grooves that prevent laminar water film from adhering—this self-scouring action reduces algae and scale build-up by 40% without chemical dosing. The fill material itself is UV-stabilized and contains a proprietary zinc-borate additive, passing ASTM G154 accelerated weathering with less than 2% weight loss after 3,000 hours, ensuring your maintenance interval extends beyond 18 months even in hard-water regions like the Middle East.
Monocoque FRP Basin with Integrated Leak-Proof Flanges
Instead of bolted sectional basins that rely on field-applied sealants, we mold the entire cold-water collection basin as a single-piece, rib-reinforced structure using SMC (sheet molding compound) compression. This eliminates seam fatigue—the #1 failure point in shipping-container towers. The basin's integral raised flanges accept our factory-preinstalled EPDM gaskets and stainless-steel J-bolts, allowing a watertight connection to the support steel in under 2 hours per module. We hydrostatically test every basin at 1.5x operating head pressure for 4 hours, certifying zero weepage before the unit is disassembled for export.
Parameter Specifications
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Product |
Low Noise collecting Type Counterflow FRP Cooling Tower |
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Model |
τ=27℃ |
Main Dimensions (mm) |
Air Volume m³/h |
Fan Diameter (mm) |
Motor Power (kw) |
weight (kg) |
inlet pressure 10⁴Pa |
noise at 10m dB (A) |
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|
Total Height |
Maximum Diameter |
self-weight |
operating weight |
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|
DBNL3J-12 |
15 |
2333 |
1210 |
7200 |
700 |
0.6 |
217 |
775 |
1.96 |
40.3 |
|
DBNL3J-20 |
24 |
2423 |
1460 |
12400 |
800 |
0.8 |
244 |
958 |
2 |
41.1 |
|
DBNL3J-30 |
35 |
2642 |
1912 |
18000 |
1200 |
0.8 |
424 |
1734 |
2.21 |
43.5 |
|
DBNL3J-40 |
46 |
3142 |
1912 |
21500 |
1200 |
1.1 |
496 |
1896 |
2.6 |
43.5 |
|
DBNL3J-50 |
57 |
3130 |
2215 |
28000 |
1400 |
1.5 |
617 |
2505 |
2.65 |
44.7 |
|
DBNL3J-60 |
68 |
3430 |
2215 |
32300 |
1400 |
1.5 |
667 |
2829 |
2.78 |
45.7 |
|
DBNL3J-70 |
79 |
3444 |
2629 |
39200 |
1600 |
2.2 |
824 |
3816 |
3.03 |
47 |
|
DBNL3J-80 |
92 |
3744 |
2629 |
43400 |
1600 |
2.2 |
909 |
4240 |
2.86 |
47.5 |
|
DBNL3J-100 |
114 |
3694 |
3134 |
56000 |
1800 |
3 |
1014 |
5932 |
3.15 |
50 |
|
DBNL3J-125 |
142 |
3944 |
3134 |
67200 |
1800 |
4 |
1104 |
6158 |
3.15 |
50.7 |
|
DBNL3J-150 |
171 |
3953 |
3732 |
84000 |
2400 |
4 |
1744 |
8246 |
2.9 |
52 |
|
DBNL3J-175 |
200 |
4203 |
3732 |
94300 |
2400 |
5.5 |
1884 |
8582 |
3.15 |
53 |
|
DBNL3J-200 |
231 |
4235 |
4342 |
112000 |
2800 |
5.5 |
2208 |
11210 |
3.01 |
54.6 |
|
DBNL3J-250 |
283 |
4485 |
4342 |
134300 |
2800 |
7.5 |
2420 |
11983 |
3.26 |
55.6 |
|
DBNL3J-300 |
334 |
4623 |
5134 |
168000 |
3400 |
11 |
3648 |
17173 |
3.5 |
56.8 |
|
DBNL3J-350 |
395 |
4873 |
5134 |
187400 |
3800 |
11 |
3950 |
17850 |
3.75 |
57.3 |
|
DBNL3J-400 |
455 |
5018 |
6044 |
224000 |
3800 |
11 |
4406 |
23132 |
3.6 |
58.8 |
|
DBNL3J-450 |
514 |
5268 |
6044 |
242000 |
3800 |
11 |
4752 |
24510 |
3.85 |
58.8 |
|
DBNL3J-500 |
576 |
5619 |
6746 |
280000 |
4200 |
15 |
5887 |
30062 |
3.7 |
60 |
|
DBNL3J-600 |
680 |
6119 |
6746 |
302200 |
4200 |
18.5 |
6689 |
32164 |
4.2 |
61 |
|
Features |
The FRP cooling tower serves not only as a temperature regulator but also delivers an efficient, durable, and maintenance-free solution with optimized lifecycle costs. By harnessing the unique properties of FRP materials, it fundamentally addresses the critical challenges of corrosion and lifespan limitations in harsh operating environments, making it the go-to choice for cooling systems in modern industrial and commercial facilities. |
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Application
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Central air conditioning system: refrigeration station for commercial buildings, hotels and hospitals. |
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Industrial refrigeration: process cooling for food processing, chemical, pharmaceutical and plastic industries. |
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Power industry: auxiliary cooling system for thermal power plant and nuclear power plant. |
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Manufacturing industry: circulating water cooling for metallurgical and mechanical processing plants. |
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Data center: Provides cooling water for server rooms. |
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Payment |
T/T, Western Union. |
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Service |
Customize and design the size and style according to requirements |
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Telf.: +86 189 3266 2725
Correo electrónico: venta@hbfortis.com
Agregar.: No.8-1, calle Zhenxing, ciudad de Matun, condado de Zaoqiang, ciudad de Hengshui, provincia de Hebei
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