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Low Noise Counterflow FRP Cooling Tower | Factory Direct for Power Plant & HVAC Projects DBNL3J-12

We supply water-collecting counterflow FRP cooling towers engineered for low-noise operation in noise-sensitive environments such as hotels, semiconductor plants, and urban district cooling stations. Our closed-loop counterflow design maximizes thermal exchange efficiency while the integrated bottom basin reduces pumping head and water drift loss to <0.005%. Every unit undergoes vibration analysis and airflow balancing at our ISO-certified factory, ensuring stable performance under variable wet-bulb conditions. As an export-oriented manufacturer, we provide full documentation, including capacity curves, electrical wiring diagrams, and spare part lists, with direct container-loading support to major ports. Choose our direct factory partnership for consistent quality, transparent costing, and responsive technical support throughout your project lifecycle.

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Product Advantages Parameter Specifications

Product Advantages

Hydraulic Integration – Built-in Water Collection Basin Reduces System Complexity
Unlike traditional crossflow or induced-draft towers that require separate external sump tanks, our counterflow FRP cooling tower features a factory-integrated water collecting basin at the base. This design shortens the circulating water return path, lowers pumping head requirements by 15–20%, and minimizes water splashing losses. The basin doubles as a structural stabilizer, reducing field installation time and eliminating the cost of additional concrete pits – a direct value-add for EPC contractors and plant engineers.

Acoustic Engineering – True Low-Noise Operation for Urban and Night-Sensitive Sites
We address strict noise ordinances by combining three silencing measures: (a) aerodynamically profiled fan blades with sinusoidal trailing edges to cut vortex noise, (b) a high-efficiency belt-driven gearbox with silicone vibration dampers, and (c) an optional discharge attenuator hood. The result is sound pressure levels consistently below 62 dB(A) at 10 meters under full load – making this tower suitable for hospital rooftop installations, hotel auxiliary cooling, and residential district energy stations where nighttime operation is mandatory.

Factory-Direct Cost Transparency – No Middleman, No Surprise Upcharges
As the manufacturing source – not a trading agent – we control every cost node from raw resin procurement to fan motor winding. Our vertical facility produces 200+ units monthly, allowing bulk purchase of premium motors (ABB/Siemens or equivalent) and bearings (SKF) at OEM rates. We provide an itemized quotation breaking down material, fabrication, testing, and packing costs, so you see exactly what you pay for. This direct model typically undercuts European and Japanese competitors by 25–30% while maintaining CTI-certifiable performance.

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

Low Noise Counterflow FRP Cooling Tower | Factory Direct for Power Plant & HVAC Projects DBNL3J-12

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