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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Semi-Automatic 304 Stainless Steel Surface-Type Air Cooler (380V, 50Hz, 7.5kW). Designed for robust industrial cooling, this unit combines premium-grade stainless steel construction with semi-automatic operation, delivering reliable performance in demanding environments. With an annual export value of US$5-10 million, our products are shipped to over 15 global markets, including North America, Europe, and Southeast Asia.
This air cooler is engineered to provide efficient heat dissipation for machinery, process lines, and HVAC systems. The 304 stainless steel housing ensures excellent corrosion resistance, making it suitable for humid, corrosive, or outdoor settings. The 7.5kW motor runs on standard 380V/50Hz three-phase power, offering high airflow and consistent cooling capacity. Whether you need to cool hydraulic systems, compressors, or factory workshops, this unit is a cost-effective solution.
Key Features & Technical Specifications
- 304 Stainless Steel Construction – Resists rust, chemicals, and high humidity, ensuring long service life even in harsh environments.
- Semi-Automatic Operation – Simple controls allow manual adjustment of fan speed and cooling levels, reducing operator training time.
- Surface-Type Design – Compact and easy to install on walls, floors, or equipment frames, saving valuable floor space.
- 7.5kW High-Efficiency Motor – Delivers powerful airflow (up to 15,000 m³/h) for rapid cooling of large areas or heat-generating equipment.
- 380V/50Hz Three-Phase Power – Compatible with standard industrial electrical systems, minimizing installation complexity.
- Low Noise Operation – Optimized fan blades and vibration-dampening mounts reduce noise levels, ideal for worker comfort.
- Easy Maintenance – Accessible filter and motor components simplify cleaning and servicing, reducing downtime.
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel |
| Rated Power | 7.5 kW |
| Voltage / Frequency | 380V, 50Hz, 3-Phase |
| Cooling Capacity | Approx. 25–30 kW (depending on ambient conditions) |
| Airflow (Max) | 15,000 m³/h |
| Noise Level | ≤ 75 dB(A) at 1m |
| Weight | Approx. 85 kg (customizable) |
| Protection Class | IP54 (motor), IP23 (unit) |
| Operating Temperature Range | -10°C to +50°C |
Detailed Product Advantages
1. Superior Corrosion Resistance – The 304 stainless steel shell withstands exposure to moisture, salt spray, and mild chemicals, making it perfect for food processing plants, marine environments, and chemical workshops. Unlike carbon steel, it will not rust or peel, ensuring a clean and professional appearance.
2. Semi-Automatic Control for Flexibility – Operators can easily adjust the cooling intensity via a simple control panel. This semi-automatic mode allows fine-tuning based on real-time heat loads, reducing energy waste compared to fully manual or fixed-speed units. It also simplifies maintenance – no complex programming required.
3. Energy-Efficient 7.5kW Motor – The motor is designed for high efficiency, drawing only the necessary current to maintain airflow. Combined with aerodynamically optimized fan blades, this cooler delivers maximum cooling per kilowatt, helping you save on electricity bills.
4. Surface-Type Mounting Versatility – The compact surface-type design can be mounted on walls, ceilings, or directly on equipment frames. This flexibility is ideal for retrofits in existing facilities where floor space is limited. Installation brackets and hardware are included.
5. Reliable Long-Term Performance – All components are sourced from reputable suppliers and undergo strict quality checks. The motor is protected by a thermal overload relay, and the fan assembly is balanced to minimize vibration, extending the unit's lifespan beyond 10 years with proper maintenance.
Value for Your Business
- Reduce downtime – Reliable cooling prevents overheating of critical equipment, keeping production lines running.
- Lower maintenance costs – 304 stainless steel and quality motor reduce the need for frequent replacements or repairs.
- Improve workplace safety – Controlled cooling reduces the risk of burns or heat-related accidents near hot machinery.
- Enhance product quality – Stable ambient temperatures help maintain precision in manufacturing processes (e.g., injection molding, machining).
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
With over 25 years of manufacturing experience (since 1998), we have built a strong reputation for delivering durable and reliable industrial cooling solutions. Our annual export value of US$5-10 million demonstrates the trust of global customers. We serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. Our factory is located in Hengshui, Hebei, China, with convenient shipping ports in Tianjin, Qingdao, and Shanghai. We offer flexible customization options for voltage, frequency, size, and accessories – just let us know your requirements.
Each unit is tested before shipment to ensure it meets your specifications. We provide technical documentation and after-sales support to help you integrate the cooler seamlessly. Contact us today for a quote or to discuss your specific cooling needs. Our team is ready to provide a solution that fits your budget and application.
Frequently Asked Questions
-
Q: What is the warranty period for this air cooler?
A: We offer a standard 12-month warranty from the date of shipment, covering manufacturing defects. Extended warranty options are available upon request. -
Q: Can I customize the voltage or frequency for my country?
A: Yes, we can modify the motor and electrical components to suit different voltages (e.g., 220V, 415V) and frequencies (60Hz). Please provide your requirements when ordering. -
Q: Is this unit suitable for outdoor use? Will it rust?
A: The 304 stainless steel construction provides excellent corrosion resistance, making it suitable for outdoor use in most climates. However, we recommend adding a protective cover if exposed to heavy rain or salt spray consistently. -
Q: How often does the filter need to be cleaned?
A: Depending on the dust level in your environment, we recommend cleaning the air filter every 2–4 weeks. The filter is easily removable and washable. -
Q: What is the noise level? Can it be used in a quiet workshop?
A: The noise level is approximately 75 dB(A) at 1 meter, which is comparable to a typical industrial fan. While not silent, it is acceptable for most workshops. For quieter operation, we can install a silencer or use a variable speed drive (optional). -
Q: Do you provide installation instructions?
A: Yes, we include a detailed user manual with installation diagrams, wiring schematics, and maintenance guidelines. Our technical support team is also available via email or phone. -
Q: What is the expected lifespan of the cooler?
A: With regular maintenance (cleaning, lubrication, and inspection of moving parts), the unit can last 10–15 years. The stainless steel body will last even longer. -
Q: Can you supply cooler with different cooling capacity?
A: Yes, we offer a range of models from 3kW to 30kW. Custom designs are also possible for large-scale projects. Contact us for a tailored solution.
Ready to invest in reliable cooling? Message us now for a competitive quote and fast delivery from our factory directly to your port.
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