DBNL Bottle Type Cooling Tower
A compact round counterflow open cooling tower for HVAC, utility water and general industrial cooling. The FRP casing and vertical airflow arrangement support corrosion resistance and a small installation footprint.


Representative HACST counterflow open-cooling-tower construction. Final DBNL appearance and configuration depend on model and project requirements.
Round footprint with bottom air entry and vertical discharge for general water-cooling duties.
Weather-resistant fiberglass-reinforced-plastic enclosure for outdoor service.
DBNL selections cover small HVAC duties through large multi-cell industrial projects.
Representative model data
| Model | Height (mm) | Diameter (mm) | Airflow (m³/h) | Fan (mm) | Motor (kW) |
|---|---|---|---|---|---|
| DBNL-12 | 2033 | 1210 | 7,200 | 700 | 0.6 |
| DBNL-30 | 2342 | 1912 | 18,000 | 1200 | 0.8 |
| DBNL-50 | 2830 | 2215 | 28,000 | 1400 | 1.5 |
| DBNL-100 | 3294 | 3134 | 56,000 | 1800 | 3 |
| DBNL-200 | 3835 | 4342 | 112,000 | 2800 | 5.5 |
| DBNL-500 | 5219 | 6476 | 280,000 | 4200 | 15 |
| DBNL-1000 | 6540 | 8836 | 510,300 | 6000 | 30 |
Values are representative catalog data and must not replace a project thermal selection. Confirm flow, entering and leaving water temperatures, wet bulb, altitude, sound and power before ordering.
Typical applications
- Commercial HVAC condenser-water systems
- Factories and process utility water
- Cold storage and refrigeration auxiliaries
- Water treatment and general industrial cooling
- Multi-cell installations requiring staged capacity
Required selection data
Provide water flow, entering and leaving temperature, design wet bulb, water quality, altitude, power supply, sound limit, footprint and material requirements.