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LFL
PT
15 days
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Our LF and LFL series aluminium alloy impeller fans are high‑performance axial fans purpose‑built for industrial cooling tower retrofits and new OEM projects. Designed for large‑size mechanical‑draft cooling towers, these cooling tower impeller fans deliver large air volume, low operating noise, minimal vibration and long‑term corrosion resistance. Available in aluminium alloy or FRP composite blades with adjustable blade angles, they fit most common cooling tower configurations for power plants, chemical facilities and large HVAC installations。
These complete fan assemblies include impeller blades, precision hard‑tooth gearbox, coupling and connection hardware. Whether you need replacement cooling tower fan impellers for field maintenance or bulk units for original equipment manufacturing, PT supplies ready‑to‑install fan sets with reliable lead time of 15 working days for standard models.
Choose aluminium alloy or high‑strength FRP blades, resisting moisture, chemical fumes and UV radiation outdoors.
Anti‑corrosion performance suits humid cooling tower inner‑tower operating environment.
Adjustable blade angles to fine‑tune airflow to match your tower thermal requirement.
Advanced airfoil blade profile maximizes air volume while cutting power draw. Low‑noise running reduces on‑site noise pollution for industrial plants. Balanced impeller design greatly lowers vibration, protecting gearbox and motor service life.
Matched XLJ series hard‑tooth gearbox features compact structure, high load‑bearing capacity, stable torque transfer, low vibration and low noise. The whole fan assembly supports long continuous running for 24‑hour industrial duty cycles.
Model range covers diameter 3000 mm up to 8534 mm. Blade quantity options: 4‑7 blades per impeller. Modular construction simplifies on‑site assembly, inspection and future part replacement.
Smooth blade surface reduces dust and scale buildup. Robust mechanical assembly minimizes routine repair work. Normal service life can reach over 10 years under correct operation and maintenance.
LF and LFL series cooling tower impeller fans cover multiple sizes. Full detailed technical data can also be found on fan nameplates and gearbox‑impeller service manual.
| Fan Type | Gearbox Type | Impeller Type | Impeller Speed (RPM) | Blade Count | Total Pressure (Pa) | Air Volume (×10⁴ m³/h) | Power (kW) | Weight (kg) | D (mm) | L (mm) | H (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| LF30D | XLJ25 | XF30D | 269 | 4~6 | 110 | 22 | 11 | 270 | 3000 | 2200 | 590 |
| LFL30 | XLJ25 | XLF30 | 269 | 4~6 | 110 | 22 | 11 | 270 | 3000 | 2200 | 550 |
| LF34D | XLJ25 | XF34D | 269 | 4~6 | 120 | 31 | 15 | 290 | 3400 | 2400 | 590 |
| LFL34 | XLJ25 | XLF34 | 269 | 4~6 | 120 | 31 | 15 | 290 | 3400 | 2400 | 550 |
| LF36D | XLJ25 | XF36D | 240 | 4~6 | 130 | 31 | 15 | 310 | 3600 | 2500 | 590 |
| LFL36 | XLJ25 | XLF36 | 240 | 4~6 | 130 | 31 | 15 | 310 | 3600 | 2500 | 550 |
| LF38D | XLJ25 | XF38D | 240 | 4~6 | 130 | 31 | 15 | 330 | 3800 | 2600 | 590 |
| LFL38 | XLJ25 | XLF38 | 240 | 4~6 | 130 | 31 | 15 | 330 | 3800 | 2600 | 554 |
| LF40D | XLJ25 | XF40D | 226 | 4~6 | 140 | 36 | 22 | 390 | 4000 | 2750 | 590 |
| LFL40 | XLJ25 | XLF40 | 226 | 4~6 | 140 | 36 | 22 | 390 | 4000 | 2750 | 554 |
| LF42D | XLJ35 | XF42D | 248 | 4~6 | 170 | 47 | 30 | 420 | 4200 | 2900 | 685 |
| LFL42 | XLJ35 | XLF421 | 248 | 4~6 | 170 | 47 | 30 | 420 | 4200 | 2900 | 652 |
| LF45D | XLJ35 | XF45D | 223 | 4~6 | 170 | 58 | 37 | 450 | 4500 | 3000 | 685 |
| LFL45 | XLJ35 | XLF45 | 223 | 4~6 | 170 | 58 | 37 | 450 | 4500 | 3000 | 652 |
| LF45D | XLJ35 | XF45D | 248 | 4~6 | 200 | 60 | 45 | 450 | 4500 | 3000 | 685 |
| LFL45 | XLJ35 | XLF45 | 248 | 4~6 | 200 | 60 | 45 | 450 | 4500 | 3000 | 652 |
| LF47D | XLJ35 | XF47D | 200 | 4~6 | 160 | 59 | 37 | 470 | 4700 | 3050 | 685 |
| LFL47 | XLJ35 | XLF47 | 200 | 4~6 | 160 | 59 | 37 | 470 | 4700 | 3050 | 652 |
| LF47D | XLJ35 | XF47D | 223 | 4~6 | 190 | 64 | 45 | 520 | 4700 | 3050 | 685 |
| LFL47 | XLJ35 | XLF47 | 223 | 4~6 | 190 | 64 | 45 | 520 | 4700 | 3050 | 652 |
| LF50D | XLJ35 | XF50D | 200 | 4~6 | 160 | 59 | 37 | 480 | 5000 | 3200 | 685 |
| LFL50 | XLJ35 | XLF50 | 200 | 4~6 | 160 | 59 | 37 | 480 | 5000 | 3200 | 652 |
| LF50D | XLJ35 | XF50D | 223 | 4~6 | 180 | 67 | 45 | 530 | 5000 | 3200 | 685 |
| LFL50 | XLJ35 | XLF50 | 223 | 4~6 | 180 | 67 | 45 | 530 | 5000 | 3200 | 652 |
| LF55D | XLJ45 | XF55D | 183 | 5~6 | 170 | 86 | 55 | 760 | 5500 | 3500 | 826 |
| LF60D | XLJ45 | XF60D | 166 | 5~6 | 160 | 92 | 55 | 780 | 6000 | 3700 | 826 |
| LF60D | XLJ50 | XF60D | 187 | 6~7 | 180 | 105 | 75 | 1020 | 6000 | 3700 | 880 |
| LF67D | XLJ50 | XF67D | 155 | 5~6 | 190 | 136 | 90 | 1260 | 6706 | 4150 | 880 |
| LF70D | XLJ50 | XF70D | 155 | 5~6 | 180 | 141 | 90 | 1340 | 7000 | 4300 | 880 |
| LF73D | XLJ50 | XF73D | 155 | 5~6 | 170 | 145 | 90 | 1380 | 7315 | 4400 | 880 |
| LF77D | XLJ50 | XF77D | 140 | 5~6 | 160 | 150 | 90 | 1420 | 7700 | 4650 | 888 |
| LF80D | XLJ50 | XF80D | 140 | 5~7 | 160 | 150 | 90 | 1490 | 8000 | 4800 | 888 |
| LF80D | XLJ55 | XF80D | 140 | 5~7 | 190 | 188 | 132 | 1650 | 8000 | 4800 | 928 |
| LF80D | XLJ60 | XF80D | 134 | 5~7 | 210 | 201 | 160 | 1870 | 8000 | 4800 | 998 |
| LF85D | XLJ60 | XF85D | 134 | 5~7 | 190 | 216 | 160 | 1930 | 8534 | 5000 | 998 |
Power plant circulating‑water cooling towers
Petrochemical & chemical process cooling systems
Large‑scale commercial and industrial HVAC cooling towers
Water‑treatment plant cooling equipment
New OEM cooling tower assembly & field retrofit replacement projects
Packaging: Heavy‑duty wooden crates for ocean / land transit, protecting impeller blades and gearbox against impact and deformation. Custom packaging available.
Lead time: Standard models ship within 15 working days. Custom specifications subject to project evaluation.
Sales unit: Sold per complete fan assembly unit.
Provide technical datasheets, dimension drawings, product photos/videos. Support project‑specific selection consultation. Factory visit is welcome.
Update production progress with photos; 24/7 email & online technical support. On‑site installation guidance and training can be arranged for large‑volume orders.
12‑month product warranty. Continuous technical support for troubleshooting, spare‑part sourcing and maintenance advice.
About PT: With more than 20‑year experience as cooling‑tower component manufacturer, PT supplies reliable cooling tower parts for global industrial clients, contractors and distributors.
Q: What material options for fan blades?A: Aluminium alloy and high‑strength FRP composite blades are available for different corrosive environments.
Q: Can blade angle be adjusted?A: Yes. Adjustable blade angle allows tuning airflow performance for actual cooling tower working conditions.
Q: What is expected service life?A: Over 10‑year service life under regular correct operation and maintenance.
Q: Is this fan suitable for cooling tower retrofit replacement?A: Yes. We can match existing tower dimension requirements for retrofit projects. Provide tower parameters for proper model recommendation.
Q: What is production lead‑time?A: Standard LF / LFL series fans: 15 working‑day lead‑time. Custom non‑standard sizes require separate quotation.
Premium Quality: Made with imported raw materials for durability.
Competitive Pricing: Flexible pricing tailored to market demands.
Expertise: Over 20 years of experience in cooling tower solutions.
Superior Service: Comprehensive support with a 12-month warranty.
