Eco-Friendly Aluminum Alloy Fan for Low Noise Cooling Tower Applications

• Customization: Available
• Cooling Method: Cooling Tower
• Certification: ISO, CE
• Model NO.: NJF Series
• Condition: New
• Material: Aluminum Fan
• Type: Axial Fan
• Electric Current Type: AC
• Blade Material: Aluminum Alloy
• Mounting: Fan Stock
• Noise: Low
• Transport Package: Wood Packing
• Specification: Customized
• Trademark: NEWIN
• Origin: China
• HS Code: 841990
• Production Capacity: 15000 Sets/Year

Product Description

Product Description

NJF Introducing the NJF series of aluminum alloy hollow type cooling tower fans, meticulously engineered for supreme performance in cooling tower applications. These fans stand out in their class by providing remarkable benefits over standard fan designs. Each blade, crafted for whisper-quiet operation, offers exceptional airflow and pressure capabilities even at lower speeds. The fan's exterior is constructed from premium aluminum alloy, meticulously infused with pigment to ensure consistent color distribution throughout the laminate. Each fan blade is securely attached to the hub with a robust, heavy-galvanized iron ring, integrally molded for strength and durability. For added convenience, the hub attachment hardware allows for easy rotation of the blades, enabling precise pitch adjustments to maximize fan horsepower efficiency.

FEATURES

- High Transmission Efficiency: The NJF series boasts aluminum alloy airfoil blades designed for superior transmission efficiency, setting a new standard in cooling tower technology.
- Light Weight: Engineered from high-strength aluminum alloy, these fans offer a lightweight solution without compromising on durability or performance.
- Outstanding Balance: With precision-crafted fan blades, each tested for weight matching and balance, the NJF fans deliver flawless operational balance, ensuring smooth, reliable performance.
- Enhanced Anti-corrosion Ability: A state-of-the-art surface oxidation treatment elevates the fan's resistance to corrosion, ensuring long-lasting durability and maintaining optimal performance.

Parameter

TECHNICAL PARAMETERS

Our state-of-the-art fan blades are securely connected to the hub by a robust, heavy-galvanized iron ring, which is integrally molded with each blade. This innovative design ensures stability and ease of use. By merely loosening the hub attachment hardware, the blades can be effortlessly rotated to achieve the desired pitch. This feature allows for the optimal utilization of fan horsepower, maximizing efficiency and performance.




SPECIFICATION

Model	Fan	Nos of	Blade	Rate	Air	Total	Matching	Power	Noise  Test Value (dB)
	Diameter	Blade	Type	speed	flow	pressure	Reducer	(kw)
	(mm)			(r/min)	(m³/h)	(Pa)	Model
NJF1500-4A	1500	4	A	370	59700	120	NYQ 132-4-370	4	68
NJF1500-4B	1500	4	B	330	57300	130	NYQ 132-4-330	4	65
NJF1500-6B	1500	6	B	250	61200	132.2	NYQ 132-4-250	4	60
NJF1800-4A	1800	4	A	370	81000	139	NYQ 132-4-370	5.5	70
NJF1800-4A	1800	4	A	330	85800	125	NYQ 132-5.5-330	5.5	66
NJF1800-6A	1800	6	A	250	81000	139	NYQ 132-5.5-250	5.5	60
NJF2000-4A	2000	4	A	370	92400	130	NYQ 132-5.5-370	7.5	70
NJF2000-4A	2000	4	A	330	102000	126	NYQ 132-4-330	7.5	66
NJF2000-6B	2000	6	B	250	101400	120	NYQ 160-7.5-250	7.5	61
NJF2100-4A	2100	4	A	370	101400	150.4	NYQ 132-7.5-370	7.5	71
NJF2100-4A	2100	4	A	350	91200	120.1	NYQ 132-5.5-350	5.5	66
NJF2100-6A	2100	6	A	250	91200	120.1	NYQ 132-5.5-250	5.5	61
NJF2400-6B	2400	6	B	330	170000	210	NYQ 160-11-210	11	70
NJF3000-4A	3000	4	A	320	260000	171	NYQ 160-18.5-320	18.5	73
NJF3000-4A	3000	4	A	250	221760	179	NYQ 160-15-250	15	70
NJF3000-6A	3000	6	A	210	202248	147	NYQ 160-11-210	11	65
NJF3500-4B	3500	4	B	320	280000	130	NYQ 160-22-320	22	75
NJF3500-6B	3500	6	B	210	260000	130	NYQ 160-15-210	15	65
NJF3600-4B	3600	4	B	320	320000	170	NYQ 160-22-320	22	76
NJF3600-6B	3600	6	B	210	350000	210	NDQ 160-22-210	22	65
NJF4267-4B	4267	4	B	250	425000	130	NDQ 160-22-250	22	73
NJF4267-6B	4267	6	B	210	450000	215	NDQ 225-37-210	37	66
NJF4500-4B	4500	4	B	210	550000	171	NDQ 225-37-210	37	75
NJF4500-6B	4500	6	B	165	560000	210	NDQ 225-37-165	37	73
NJF5000-6B	5000	6	B	165	550000	120	NDQ 225-30-165	30	75
NJF5000-4B	5000	4	B	160	500000	120	NDQ 225-22-165	22	68
NJF6000-4B	6000	4	B	165	600000	120	NDQ 225-30-165	30	75
NJF6000-6B	6000	6	B	165	650000	120	NDQ 225-37-165	37	76

FAN ASSEMBLY INSTRUCTIONS

The Newin NJF series hollow type aluminum alloy fans are delivered in an unassembled form, with fan blades and the hub meticulously matched to guarantee a seamless and accurate re-assembly process.
a. Choose a spacious area that can comfortably accommodate the full diameter of the fan, ensuring ample room for assembly.
b. Position the fan hub 1 strategically at the center of your workspace, with the blade sockets easily accessible for assembly.
c. Carefully place fan blade 2 into a designated blade socket on the hub. On models where blades overlap at the hub, ensure that the leading edge is positioned underneath the trailing edge of the forward blade for proper alignment.
d. Confirm that the blade shank safety collar is positioned inside the inner hub rim to ensure secure assembly.

FAN INSTALLATION INSTRUCTIONS

1. Prioritize safety by ensuring that the cooling tower motor is securely locked out before commencing installation.
2. Thoroughly clean the hub bore and the driving shaft extension along the full length of the key to ensure a clean, secure fit.
3. Insert the key into the keyway with precision. The top of the key should sit just below the top of the shaft by no more than 3 mm. The key should fit snugly across the width and must remain unaltered.
4. Once cleaned, apply a generous coat of anti-seize compound to the engagement portion of the shaft to prevent sticking and ease future maintenance.
5. Carefully lift the fan assembly above the shaft, then slowly lower the hub onto the shaft, ensuring the keyways are perfectly aligned. It's crucial to make sure the key remains in place and does not slide down during the installation process.
6. Secure the assembly by installing the Hub Retention Cap Screw along with the Lock Washer, ensuring a firm hold and reliable operation.

Application

APPLICATION & USAGE

The hollow type aluminum alloy fan, crafted for excellence, finds its place among diverse cooling tower applications. It offers a versatile range of 3 to 8 fan blades, catering to varied working conditions and air volume requirements. Newin is committed to delivering bespoke solutions tailored to our global clientele's unique specifications.

FAN MAINTENANCE

Regular maintenance of the fan is crucial in extending its lifespan, ensuring it continues to operate seamlessly and without interruptions.
After an initial week of operation and at six-month intervals thereafter:
• Ensure all hardware is securely torqued, checking for any looseness that might affect performance.
• Conduct a thorough visual inspection for any damage from airborne debris, examining fan cylinder segments and potential corrosive impacts. Address any issues that could compromise fan functionality.
• Eliminate any accumulated scale or dirt that could impede performance.
• Ensure blade drain holes at the fan tip are free of any obstructions.

FIELD DATA FOR REPLACING COOLING TOWER FAN

Newin offers a premium service for replacing cooling tower fans across various brands. Please provide the following essential details so we can deliver the perfect fit:
1. Fan Diameter, 2. Number of Fan Blades , 3. Blade Width , 4. Hub diameter
To ensure compatibility with your current driving shaft, details on the shaft diameter, key width and hub height are also necessary when placing your order.

Reference Projects

NEWIN Manufacturing Base

NEWIN FACTORY
Embark on an awe-inspiring journey to our state-of-the-art manufacturing base, strategically nestled in the bustling heart of Huizhou, Guangdong's vibrant industrial hub. Spanning a vast expanse of 10,000 square meters, this facility stands as a shining beacon of innovation, excellence, and cutting-edge technological advancements, setting new industry benchmarks.

ISO CERTIFICATION
We proudly underscore our unwavering commitment to unparalleled quality and environmental stewardship with our prestigious ISO certifications: ISO9001:2015 Quality Management System Certification and ISO14001:2015 Environmental Management System Certification, setting the benchmark for excellence and environmental responsibility.

WORKSHOPS
Cutting-edge Welding Workshop
Advanced Filler Thermoforming Workshop
Precision Sheet Metal Processing Workshop
Comprehensive Cooling Tower Assembly Workshop

TESTING
Dedicated Independent Testing LAB


NEWIN COOLING TOWERS:

· NWN/ NWF/ NCFN Experience unparalleled efficiency and cutting-edge innovation with our Closed Type Cooling Tower Series, meticulously engineered for superior performance and unmatched reliability. Each model epitomizes the pinnacle of cooling tower technology, offering a futuristic solution to cooling needs.
· NSH/ NST Discover the steadfast reliability and robust performance of our Open Type Cooling Tower Series. Expertly engineered for optimal operation, these towers set new industry standards and exceed expectations with their enduring excellence.
· NTG Explore the remarkable capabilities of our Industrial Type Cooling Tower Series. Specifically crafted to conquer heavy-duty, demanding applications, they ensure resilience and power at every turn, making them perfect for the most challenging environments.
· NECN/NECH Seamlessly integrate cutting-edge efficiency with our state-of-the-art Evaporative Condenser models. Setting new standards in performance and operational excellence, they revolutionize the cooling industry with unmatched capabilities.
· NWFL Harness the transformative power of advanced technology with our Dry Air Cooler, expertly designed for superior airflow and maximum efficiency, optimizing every facet of cooling for unmatched results and exceptional performance.


NEWIN is your trusted partner in premier cooling tower solutions, offering an extensive range of accessories to meet your maintenance and replacement needs. Customize your selection to fit various cooling tower sizes and types. Contact us to tailor the perfect suite of accessories for optimal performance, ensuring seamless integration and enhanced functionality.

CONTAIN:
· A robust Fan drive system, incorporating fan, fan stack, reducer, motor, and shaft, expertly engineered for durability and precision, ensuring seamless operation and enhanced longevity.
· Highly efficient Water distribution components, featuring precision-engineered nozzles and advanced drift eliminators for superior performance, optimizing water management and ensuring exceptional efficiency.
· Premium Heat exchange options, complete with top-quality PVC infills and cooling coils, crafted for optimal performance and energy efficiency, enhancing thermal regulation and reducing energy consumption.
· Additional essential accessories, such as air inlet louvers and valves, to seamlessly complete your system, enhancing overall functionality and efficiency, and elevating performance to new heights.

Packaging & Shipping

Open type cooling towers shipment: Unveil the ultimate in security and precision with our meticulously tailored transportation service, specifically crafted for open-type cooling towers. Each tower is enveloped in top-tier materials using advanced packing methods, ensuring they reach your location in pristine condition. Our unwavering commitment to protecting your valuable investments guarantees full protection against any transit-related risks. Experience the seamless efficiency of our logistics and timely delivery, designed to activate your cooling solutions without any delay.

Closed type cooling towers shipment: Enjoy complete peace of mind with our superior packaging solutions, specially designed for closed-type cooling towers. Each unit is carefully encapsulated with unmatched durability to endure the most challenging transit conditions, ensuring their perfect arrival and immediate readiness for smooth deployment. Our dedication to excellence, combined with rapid delivery, allows you to seamlessly integrate our state-of-the-art cooling innovations into your operations, freeing you from any logistical worries.

Technical Strength& Standards

Certifications