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DBNL3J-40 FRP Cooling Tower for Injection Molding Plants | China Factory Direct Exporter

As a China-based direct factory supplier of industrial heat exchange solutions, we engineer the DBNL3J-40 glass fiber reinforced polyester (FRP) cooling tower specifically for continuous-process industries such as petrochemical cracking and high-tonnage injection molding. Unlike standard counter-flow units, our DBNL3J-40 integrates a large-diameter low-speed fan and a gravity-fed water distribution system that minimizes drift loss to below 0.001%, effectively reducing make-up water costs by 18% in tropical climates. Backed by ISO 9001 and CTI certification, every unit undergoes a 72-hour load-bank test before shipment, ensuring stable approach temperatures (as low as 3.8°C) even under 80% relative humidity. We offer customized voltage options (380V/415V/460V) and containerized packaging for break-bulk shipping, guaranteeing on-time delivery to Southeast Asia, the Middle East, and South America within 25 working days.

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Product Advantages Parameter Specifications

Product Advantages

Ultra-Low Drift Loss & Water Conservation
The DBNL3J-40 is engineered with a large-diameter, low-speed axial fan paired with a gravity-fed, non-clogging water distribution basin. This unique combination reduces mechanical drift loss to below 0.001% of the circulating water flow—a critical metric for factories operating in water-scarce regions or tropical climates. Compared to conventional spray-nozzle designs, this system cuts annual make-up water consumption by up to 18%, directly translating into lower utility bills and a faster return on investment for high-volume production lines.

Superior Corrosion Resistance for Harsh Industrial Environments
The entire casing, air inlet louvers, and cold-water basin are molded from premium-grade glass fiber reinforced polyester (FRP) with a UV-stabilized gel coat. This material withstands continuous exposure to acidic exhaust fumes, high salinity air (coastal plants), and chemical vapors from plastic/rubber processing—without rusting, pitting, or delaminating. While carbon steel towers require bi-annual anti-corrosion coatings, the DBNL3J-40’s FRP body remains maintenance-free for over 15 years, even under 80% relative humidity and 45°C ambient temperatures.

Stable Thermal Performance Under High-Humidity Loads
Thanks to its cross-flow fill configuration and optimized air-to-water ratio (1.35:1), the DBNL3J-40 consistently delivers an approach temperature as low as 3.8°C at a nominal flow rate of 40 m³/h. More importantly, this performance does not degrade during monsoon seasons or summer peak loads—a common failure point in cheaper counter-flow units. Every unit is factory-calibrated using CTI (Cooling Technology Institute) acceptance test standards, ensuring that your injection molding machines or HVAC chillers always receive a stable 32°C–37°C water supply, regardless of outdoor wet-bulb fluctuations.

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

DBNL3J-40 FRP Cooling Tower for Injection Molding Plants | China Factory Direct Exporter

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