As a direct China-based exporter with our own FRP molding and assembly lines, we manufacture the HBLG-500 square cross flow cooling tower for continuous-duty heat rejection in data centers, food processing lines, chemical plants, and HVAC retrofits where reliable, low-maintenance operation is critical. Unlike trading companies that outsource fabrication, our factory controls the full process—from hand lay-up FRP panel production with UV-stabilized gel coat and anti-aging additives, to hot-dip galvanized structural steel frames, to factory pre-assembly and dimensional inspection before shipment—so every unit arrives with consistent panel thickness, verified fan-to-fill alignment, and documented quality records. The cross flow configuration uses gravity-fed distribution basins and large free-area fill, reducing circulation pump head by roughly 15–20% versus counter-flow designs and lowering annual kWh consumption, while the low-static-pressure axial fan and drift eliminators keep noise and water loss within typical urban and plant-boundary limits. Standard HBLG-500 units are engineered for a 5–8°C approach and handle flow rates in the 500 m³/h class, with options for variable-frequency fan drives, stainless steel fasteners, and anti-corrosion coatings for coastal or high-chloride environments. Each export order ships with performance curves, GA drawings, foundation load data, a spare parts list, and bilingual installation manuals, and our export team coordinates container loading, fumigation-free packing, and pre-shipment documentation (CO, packing list, test reports) so overseas contractors can assemble and commission on site without relying on third-party fabricators or guesswork.
Hebei Fortis Technology Co., Ltd Product Brochure
Product Advantages
The HBLG-500's outer casing and basin are hand lay-up molded from fiberglass-reinforced polyester with a UV-stabilized gel coat and anti-aging additives, giving the tower a surface that resists chalking, fiber bloom, and gel-coat cracking under sustained solar radiation. Unlike painted steel shells that require periodic recoating, the FRP body is inherently corrosion-resistant and color-fast, so the unit retains its structural integrity and appearance in coastal, high-humidity, and chemically aggressive atmospheres without a repainting schedule.
Beneath the FRP skin, the load-bearing frame is fabricated from hot-dip galvanized steel, with all joints bolted and pre-aligned at the factory before shipment. This hybrid construction combines the corrosion resistance of FRP with the stiffness of galvanized steel, allowing the HBLG-500 to withstand wind loads and fan vibration without panel deformation, while the factory pre-assembly and dimensional inspection ensure that fan-to-fill alignment and basin levelness are verified before the unit leaves the line.
The cross flow configuration uses open distribution basins and large free-area fill, so water flows by gravity across the fill rather than being sprayed upward against resistance. This reduces circulation pump head by roughly 15–20% compared with counter-flow alternatives in the same flow class, translating directly into lower annual kWh consumption and smaller pump motor sizing—an advantage that compounds over the tower's service life.
Application Scenarios
Square cross flow FRP towers are commonly specified for central air-conditioning and mechanical ventilation systems in hotels, office buildings, hospitals, and mixed-use developments. In these deployments, the tower rejects heat from chiller condensers, operating on a continuous but often variable load as building occupancy and outdoor temperatures fluctuate. The cross flow configuration’s gravity-fed distribution basin maintains stable water flow even at reduced demand, preventing dry spots in the fill that would degrade cooling efficiency during part-load operation. For facility managers, the practical value lies in the front-access fill design: routine inspection and replacement of fouled fill sheets can be performed from the air inlet face without entering the basin or shutting down the chiller plant, which is critical for buildings where HVAC downtime directly affects tenant comfort and lease obligations.

Facilities located near coastlines—port operations, seaside resorts, offshore support bases, and coastal manufacturing plants—face an atmospheric corrosion environment that rapidly degrades galvanised steel and concrete cooling towers. The FRP construction of the square cross flow tower provides inherent resistance to chlorides and salt spray, with isophthalic resin and UV-stabilised gelcoat protecting the casing and structural members from both atmospheric attack and sunlight degradation. Unlike steel towers that require periodic recoating and eventual panel replacement, the FRP shell maintains its integrity without cathodic protection or paint systems. For owners of coastal assets, this translates to a cooling tower that does not become a recurring maintenance liability tied to the corrosive marine atmosphere.

Small power plants, cogeneration units, and waste-to-energy facilities use cooling towers to reject heat from condensers and auxiliary systems, often under variable load as generation dispatch changes. The square cross flow FRP tower's gravity distribution system maintains even water coverage across the fill at reduced flow rates, avoiding the dry-fill and channeling problems that can occur in pressurised spray systems when flow is turned down. The FRP construction resists the corrosion caused by treated cooling water and the occasional chemical cleaning used in power plant condenser systems, and the modular cell arrangement allows the tower to be sized for future capacity while operating efficiently at current load. The practical benefit is a cooling tower that follows the plant's dispatch profile without requiring constant operator intervention to adjust water distribution.

Parameter Specifications
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Product |
Square Cross Flow Cooling Tower |
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Model |
τ=28℃ |
Main Dimensions (mm) |
Air Volume m³/h |
Fan Diameter (mm) |
Motor Installed Capacity (kw) |
Weight (t) |
τ=28℃ |
Noise at standard point |
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Total Height |
Length× |
self-weight |
operating weight |
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AHBLD/HBLD-300 |
300 |
4514 |
7250× 3810 |
167000 |
3400 |
7.5 |
5.85 |
13.38 |
/ |
59.0 |
|
AHBLD/HBLD-500 |
500 |
5230 |
8033× 4650 |
260000 |
4200 |
11.0 |
9.2 |
17.24 |
/ |
61.5 |
|
AHBLD/HBLD-700 |
700 |
5319 |
8930× 6640 |
370000 |
5000 |
18.5 |
12.95 |
26.05 |
/ |
62.6 |
|
AHBLCD/HBLCD-300 |
300 |
6230 |
10650× 3810 |
167000 |
3400 |
7.5 |
7.05 |
14.18 |
/ |
52.5 |
|
AHBLCD/HBLCD-500 |
500 |
7030 |
11640× 4650 |
260000 |
4200 |
11.0 |
10.8 |
18.84 |
/ |
53.7 |
|
AHBLCD/HBLCD-700 |
700 |
7180 |
12540× 6640 |
370000 |
5000 |
18.5 |
14.75 |
26.81 |
/ |
54.5 |
|
AHBLG/HBLG-300 |
/ |
4514 |
7250× 3810 |
200000 |
3400 |
11.0 |
6.13 |
13.66 |
300 |
64.5 |
|
AHBLG/HBLG-500 |
/ |
5230 |
8033× 4650 |
320000 |
4200 |
18.5 |
9.42 |
17.46 |
500 |
65.0 |
|
AHBLG/HBLG-700 |
/ |
5319 |
8930× 6640 |
450000 |
5000 |
30.0 |
13.19 |
26.29 |
700 |
66.0 |
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The standard point noise is measured at a distance equal to the equivalent diameter of the air inlet window or its shield equivalent diameter, and 1.5 meters above the ground. The equivalent diameter Dₘis calculated by the formula: Dₘ= 1.13×Length×Width |
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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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Contact us immediately to discuss your product project requirements
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Tel.: +86 189 3266 2725
E-mail: sale@hbfortis.com
Add.: No.8-1, Zhenxing Street, Matun Town, Zaoqiang County, Hengshui City, Hebei Province
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