Industrial Evaporative Air Cooler High Static Pressure Long Duct Reach Stainless Steel

The Huachi centrifugal industrial evaporative air cooler delivers high-static-pressure, long-distance ducted cooling for industrial and commercial spaces. Unlike standard axial evaporative coolers that produce high airflow at low pressure, this unit employs a multi-blade centrifugal blower driven by a pure-copper external rotor motor, generating sufficient static pressure to push cooled air through ductwork up to 150 meters. This makes it the definitive choice for spot cooling individual workstations, assembly line positions, and remote zones where direct unit placement is impractical. The cooling performance is independently certified: a single 1.1 kW base platform delivers 24.82 kW of cooling capacity — equivalent to a 10-ton compressor-based air conditioner — at an energy efficiency ratio of 21.75 kW/kW. The housing is fabricated from welded stainless steel with 6061 aluminum extruded columns, providing structural rigidity and permanent corrosion resistance. A 5090 high-efficiency cellulose cooling pad with over 90% evaporative efficiency and 90%+ PM10 dust removal ensures clean, cool air delivery. Six models cover airflows from 25,000 to 55,000 m³/h and cooling capacities up to 68.2 kW. For factories, warehouses, and commercial facilities needing powerful, ducted evaporative cooling with minimal energy cost, this unit provides the performance and reach that standard coolers cannot match.

Standard axial evaporative coolers move large volumes of air but generate very little static pressure. They are designed for open-space, direct-discharge cooling. When ductwork is required to deliver cool air to specific workstations or remote areas, the airflow drops off rapidly, and cooling fails at the point of need. Facilities with long assembly lines, multiple work cells, or areas partitioned by equipment are forced to install multiple small units — increasing maintenance and water connection complexity.

The Huachi centrifugal cooler solves this with a high-static-pressure blower that maintains rated airflow against the resistance of long ducts, elbows, and diffusers. The pure-copper external rotor motor is inherently more efficient and quieter than belt-driven alternatives. The stainless steel chassis and aluminum columns withstand constant moisture, mild chemical exposure, and outdoor installation. The 5090 cooling pad is mold-resistant and odor-free, with high wet strength and low pressure drop. The result is a single unit that can serve multiple discharge points over a 150-meter duct run.

*All models: welded stainless steel housing, 6061 aluminum extruded columns, multi-blade centrifugal blower with pure-copper external rotor motor, 5090 cellulose cooling pad, removable dust filter. Custom voltages and 60Hz available.

• Assembly lines and manufacturing plants requiring spot cooling at individual workstations.
• Warehouses and logistics hubs with partitioned areas.
• Textile mills, printing plants, and injection molding workshops.
• Poultry and swine barns needing ducted cooling to specific zones.
• Commercial kitchens, gymnasiums, and exhibition halls.
• Any large space where direct unit discharge is not feasible and ducted distribution is required.

The centrifugal blower draws hot outside air through the fully wetted 5090 honeycomb cooling pad. Water evaporates into the airstream, absorbing latent heat and dropping the air temperature. The cooled, filtered air is then pressurized by the blower and routed through ductwork up to 150 meters to discharge points at specific workstations or zones. Hot, stale air is displaced and pushed out of the building through open doors or exhaust fans.

1. Determine the cooling objective — whole-space cooling or targeted spot cooling via ductwork.
2. Calculate required total airflow based on space volume and desired air changes (25–35 ACH for industrial cooling).
3. If ducting is required, confirm that the centrifugal blower provides sufficient static pressure for the planned duct length and fittings. Our engineers can verify the fan curve against your duct layout.
4. Select the model whose airflow satisfies your requirement. For applications above 50 meters duct length, always choose a centrifugal model.

*Contact our engineers with your floor plan and duct layout for a free cooling design within 24 hours.

1. Can this cooler really push air through 150 meters of ductwork?

   Yes. Unlike axial coolers that rapidly lose pressure, the centrifugal blower generates high static pressure specifically designed to overcome the resistance of long ducts, bends, and diffusers. Systems delivering full airflow to discharge points 120–150 meters away are routinely designed and installed.

2. How much can I save compared to running an equivalent compressor-based air conditioner?

   A compressor AC with 50 kW cooling capacity typically draws 15–18 kW. Our Huachi-KT-40K provides 49.6 kW cooling from a 9.0 kW input — about half the electricity. Purchase, installation, and maintenance costs are also dramatically lower.

3. How often does the 5090 cooling pad need replacement?

   With proper water quality and the automatic cleaning cycle, the pad typically lasts 3–5 years. It is easily accessed via the removable inlet grille, and replacement pads are economical and can be swapped in minutes.

4. Is the stainless steel body necessary?

   Stainless steel combined with 6061 aluminum columns provides structural rigidity, fire resistance, and permanent immunity to corrosion. It will not rust from constant moisture, warp under intense sun, or crack from chemical exposure.

5. Can I use this cooler in a humid tropical climate?

   Yes. Even in high-humidity areas, the combination of the strong pressure-driven air delivery and the large airflow volume provides a powerful cooling breeze that dramatically reduces the perceived heat index. It also supplies 100% fresh, filtered air.

6. How do I get a quotation with duct design support and shipping?

   Send us your facility dimensions, desired cooling points, duct length estimate, and nearest seaport. We respond within one business day with an itemized quotation, preliminary duct layout, and freight options. Distributor and project pricing is available on request.