A versatile storage solution designed for efficient unit storage in warehouses and distribution centers. It employs a First In First Out (FIFO) system.
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A versatile storage solution designed for efficient unit storage in warehouses and distribution centers. It employs a First In First Out (FIFO) system.
The WK-90K is a portable/industrial evaporative air cooler intended for larger open or semi-enclosed spaces (workshops, tents, warehouses, banquet halls) where high fresh-air volume cooling is needed rather than closed loop refrigeration. According to Evapoler it is described under “Tent Wonder / Factory Air Cooler” category.
It’s built around evaporative cooling technology: outside air passes through wet cellulose (honeycomb) pads, evaporative heat‐absorption cools the air, then a large axial fan discharges it. The design emphasizes mobility (castors/wheels in some versions), simplicity of operation (manual controls), and suitability for industrial/commercial use.
From available manufacturer/distributor listings:
Air-flow: ~ 90,000 CMH (≈ 90,000 m³/h) declared for the model.
Power consumption / motor wattage: ~ 550 W for the single‐phase version.
Tank capacity (water reservoir): 600 L (litres) for the model.
Dimensions: ~ 1,135 × 600 × 1,600 mm (L×W×H) for one version.
Gross/Net weight: ~ 63 kg (listed as “Gross Weight 63 kgs”) for one variant.
Cooling pad size: ~ 1,100 × 100 × 1,050 mm (for pad) listed in one spec sheet.
Fan type: Large axial fan (30″ diameter) for this class of cooler.
Speed/controls: Single phase, three‐speed motor (Manual knob controller) listed.
Pad thickness: 4 inch (~100 mm) cellulose pad thickness listed in some specs.
Body/Cabinet: Weather resistant plastic or rust/corrosion free body listed; heavy duty build suited for commercial/industrial usage.
Usage note: Suitable for indoor & outdoor applications; portability (castor wheels) mentioned in listings for this category.
High Air Volume: With ~90,000 m³/h airflow, this model is capable of supplying a large volume of cooled fresh air, which is beneficial in spaces needing ventilation + cooling (rather than just recirculated chilled air).
Energy Efficiency (in the right conditions): At ~550 W motor consumption, compared to typical refrigerated air-conditioning systems this type of evaporative cooler can offer much lower power draw, especially where ambient conditions are favourable.
Simplicity & Mobility: Because the unit is relatively self‐contained (water tank, pump, pad, fan) and available with castor/mobility options, it can be deployed for spot‐cooling or for tents/banquet halls, or manufacturing halls where large openings exist.
Built for harsh/industrial conditions: The plastic/resistant body, heavy duty fan, large pad area, and large tank make it suited for environments where dust/heat/humidity may be moderate and where maintenance is manageable.
Fresh air & ventilation benefit: Unlike closed‐loop recirculating AC, this model introduces outside air, which helps dilute indoor contaminants, heat, fumes, odors — useful in industrial, tent, large hall or semi-open spaces.
Given its spec set, the WK-90K is appropriate for:
Large tents/banquet halls/events, where many people gather and you need fresh air + cooling.
Workshops/industrial sheds with large open sides or rolling doors, where airflow and fresh air is beneficial and evaporative cooling is viable.
Outdoor or semi-outdoor‐covered spaces (e.g., showrooms, open warehouses) where full AC might be costly and ventilation is needed.
Temporary setups (rental, event cooling) because of its mobility and moderate water tank size.
Spaces in hot dry (or moderately humid) climates where evaporative cooling works well.
Before deploying the WK-90K, consider the following:
Ambient humidity & climate: Evaporative cooling’s effectiveness is heavily dependent on outside air dryness. In very humid conditions (for example heavy monsoon or coastal high humidity) the temperature drop achievable will be lower.
Ventilation / exhaust requirement: Because the cooler introduces humidified air, the space must allow for air to escape (through open doors/windows or exhaust vents) so humidity doesn’t build up inside and reduce comfort or performance.
Water supply & maintenance: With a 90 L tank, you need an adequate water supply, a pump, pad maintenance schedule (cleaning/replacement) and attention to water quality (to avoid algae, mineral deposit).
Space & placement: Ensure the cooler is placed such that air distribution is effective (not blocked by obstacles), and the height and orientation allow the airflow to cover the target area. Also plan clearance for maintenance.
Power & controls: Single phase 550 W is moderate, but ensure wiring, breaker, and site conditions support it. Also consider the three‐speed control and that the motor may draw more than nominal during start.
Sizing relative to space: While 18,000 m³/h is large, you must match the space’s volume, occupancy, heat load (machinery, lighting, windows etc). Oversizing or undersizing can impact comfort and efficiency.
Mobility vs fixed installation: If used in a fixed installation (rather than mobile), consider anchoring, ducting, airflow path and maybe a version with higher static pressure if needed. The WK-90K appears more of a spot/mobile cooler rather than heavy ducted installation.
Pad & filter maintenance: The large honeycomb pad (1100 x 1050 mm etc) must be regularly checked; dust and clogging will reduce performance and increase power consumption.
Expect realistic performance: Manufacturer specs (airflow, pad size, tank) are ideal; actual temperature drop will depend on ambient conditions, ventilation and maintenance.
A versatile storage solution designed for efficient unit storage in warehouses and distribution centers. It employs a First In First Out (FIFO) system.
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