Description
ZLT Round Counterflow Open Circuit Cooling Tower is a counterflow, open circuit cooling tower family with corrosion-resistant FRP construction. It is configured against project water temperatures, wet-bulb conditions, water quality, noise limits and site constraints.
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Manual-Verified Representative Models
The specifications below were checked directly against the 2025 product manual. They are representative catalog configurations, not a substitute for final thermal selection.
| Model | Flow (m³/h) | Head (kPa) | Dimensions (mm) | Fan Ø (mm) | Motor (kW) | Net weight (kg) | Operating weight (kg) | Inlet / outlet DN |
|---|---|---|---|---|---|---|---|---|
| ZLT-10T | 10 | 18 | Ø1200 × 2370 | 600 | 0.18 | 120 | 460 | 50 / 50 |
| ZLT-15T | 15 | 19 | Ø1200 × 2300 | 770 | 0.37 | 150 | 700 | 50 / 50 |
| ZLT-20T | 20 | 19 | Ø1450 × 2400 | 770 | 0.55 | 180 | 860 | 80 / 80 |
Published Selection Basis
- Inlet water temperature: 37°C
- Outlet water temperature: 32°C
- Wet-bulb temperature: 28°C
- Atmospheric pressure: 99,400 Pa
- Water temperature drop: 5°C
Engineering Information Required
Send design flow, entering and leaving water temperatures, design wet-bulb temperature, installation altitude, circulating-water quality, noise target, power supply and footprint limits. Apex will confirm the final model, cell quantity, materials, motor configuration, piping and delivery scope.
