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Quiet Collecting Counterflow FRP Cooling Tower for Office Complex & Mall Export DBNL3J-30

Specializing in the export of low-noise collecting-type counterflow FRP cooling towers, our factory-direct supply chain ensures that each unit arrives with pre-calibrated fan balancing and factory-tested basin water-tightness—eliminating field adjustments that often delay hotel or hospital commissioning. The integral collecting trough not only captures entrained water droplets but also simplifies blowdown management by centralizing return flow to a single suction point, reducing piping complexity for plant rooms with limited footprint. We fabricate the FRP shell with a dual-layer sandwich construction that dampens structural-born vibration, while the PVC fill is chemically bonded rather than mechanically fastened to prevent rattling over long-term fan operation. For projects pursuing LEED or BREEAM certification, we provide life-cycle water consumption data and fan energy modeling under variable wet-bulb conditions, enabling your sustainability team to document credit points with verifiable third-party calculations. All units are packed in export-grade seaworthy crating with rust-preventive film on all metal fittings, ensuring arrival condition matches our factory inspection video—a practice that has reduced post-shipping claims to under 0.3% across 42 export destinations.

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Product Advantages Parameter Specifications

Product Advantages

Adaptable Interface Options for Retrofitting Legacy Concrete or Steel Towers
We recognize that many overseas plants are replacing deteriorated towers without altering existing concrete basins or piping headers. Our GFRP square unit offers customizable base rail heights, inlet flange orientations, and sump depths to match your existing civil infrastructure. We also provide transition ducting and vibration-isolation mounts, turning a disruptive demolition-rebuild project into a plug-and-play weekend swap—preserving plant production schedules while upgrading thermal capacity by up to 15% without enlarging the footprint.

Energy-Optimized Fan and Motor Matching for Partial-Load Efficiency
Our square cross-flow configuration inherently offers lower static pressure drop than counter-flow designs due to the horizontal air path and gravity-assisted water fall. We pair this with IE3 premium-efficiency motors and a direct-driven or belt-driven fan option featuring composite aerofoil blades. At 60% to 80% load—which represents over 70% of a typical HVAC annual runtime—the fan power consumption is up to 22% lower than comparable induced-draft towers, yielding an ROI that outpaces the initial price differential within the first 18 months of operation.

Thermal Performance Verified by CFD and ASHRAE-Compliant Rating Software
We do not rely on generic capacity tables. Every project-specific unit is simulated using computational fluid dynamics (CFD) to map air velocity vectors across the fill cross-section, identifying and eliminating dead zones. The final thermal rating is issued per CTI (Cooling Technology Institute) acceptance criteria, with water-to-air temperature approaches guaranteed within ±0.5°F of design. We provide the raw simulation files upon request, enabling your engineering team to cross-check performance against actual wet-bulb and dry-bulb conditions at your proposed site.

Parameter Specifications

Product	Low Noise collecting Type Counterflow FRP Cooling Tower

Model	τ=27℃ Coolable water volume（m³/h）△t=5℃	Main Dimensions (mm)		Air Volume m³/h	Fan Diameter (mm)	Motor Power (kw)	weight (kg)		inlet pressure 10⁴Pa	noise at 10m dB (A)
Model	τ=27℃ Coolable water volume（m³/h）△t=5℃	Total Height	Maximum Diameter	Air Volume m³/h	Fan Diameter (mm)	Motor Power (kw)	self-weight	operating weight	inlet pressure 10⁴Pa	noise at 10m dB (A)
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.
Application		Central air conditioning system: refrigeration station for commercial buildings, hotels and hospitals.
		Industrial refrigeration: process cooling for food processing, chemical, pharmaceutical and plastic industries.
		Power industry: auxiliary cooling system for thermal power plant and nuclear power plant.
		Manufacturing industry: circulating water cooling for metallurgical and mechanical processing plants.
		Data center: Provides cooling water for server rooms.
Payment		T/T, Western Union.
Service		Customize and design the size and style according to requirements

Quiet Collecting Counterflow FRP Cooling Tower for Office Complex & Mall Export DBNL3J-30

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