The ROSEMEX Open Type Cooling Tower is a high-performance evaporative cooling solution designed for HVAC and industrial cooling applications. In this system, hot circulating water is directly exposed to ambient air and cooled through heat transfer and evaporation, then collected and recirculated back to the system. ROSEMEX open cooling towers feature a crossflow design with modular construction, available in ROS (single side air inlet) and ROD (double side air inlets) configurations. The catalogue states that CTI-certified single-module cooling capacity ranges from 120 RT to 1540 RT, making the system suitable for small installations as well as large centralized plants. The towers are factory assembled, steel-constructed, low-noise, energy efficient, and optimized for easy transportation, installation, and maintenance.
Special Features
CTI certified thermal performance (120 RT – 1540 RT per module)
Crossflow open cooling tower design
ROS (single side air inlet) & ROD (double side air inlet) models
Modular design for easy transport and site assembly
Full steel construction (frame, casing, basin, water distribution box)
Factory assembled and performance tested
Built-in I-beam steel base frame to minimize civil foundation work
Large diameter aluminum alloy airfoil fan blades (low speed, low noise)
Multiple fan drive options: direct drive / belt drive / gearbox drive
High-efficiency PVC or PP fills (up to 105°C)
Uniform gravity-type water spray distribution system
Drift loss ≤ 0.001%
Wide selection of materials: galvanized steel, SS304, SS316L, Mg-Al-Zn steel
Optional VFD motors, PLC control, noise reduction packages, and monitoring
Important Advantages
High cooling efficiency: Proven CTI-certified thermal performance
Low installation cost: Modular units with built-in base frame reduce foundation work
Durable construction: All-steel structure for long service life
Low noise operation: Large fan blades + low RPM design
Easy maintenance: Spacious internal design, removable fills, replaceable spray nozzles
Flexible application: Suitable for both commercial HVAC and heavy industrial processes
Scalable capacity: Multiple modules can be combined for large systems
Download the catalog to view specifications for other models.
| Parameter | Specification |
|---|---|
| Product Type | Open Type Cooling Tower (Crossflow) |
| Brand | ROSEMEX |
| Model Series | ROS (Single Side Air Inlet), ROD (Double Side Air Inlets) |
| Cooling Capacity Range | 120 RT – 1540 RT (per single module, CTI certified) |
| Cooling Medium | Water |
| Structure Material | Hot dip galvanized steel G235 (Z700) / SS304 / SS316L / Mg-Al-Zn steel (optional) |
| Casing Material | Galvanized steel or stainless steel (optional) |
| Cold Water Basin | Sloped basin design with L-shape drain outlet |
| Fan Blade Type | Aluminum alloy hollow airfoil blade (adjustable pitch) |
| Fan Drive Options | Direct drive / Belt drive / Gearbox drive |
| Motor Type | TEFC or TEAO, IP55 protection, Class F insulation |
| Fill Material | PVC (60°C) or High temperature PP (105°C) |
| Spray Nozzle | ABS, adjustable angle, replaceable during operation |
| Water Distribution System | Gravity type self-balanced buffer tank distribution |
| Drift Loss | ≤ 0.001% |
| Base Frame | Built-in I-beam steel support frame |
| Noise Level | Low noise design, suitable for commercial & industrial areas |
| Control Options | Electric control panel, VFD motor, PLC control, remote monitoring |
| Optional Accessories | Ladder with safety cage, platform, basin heater, water level sensor, silencers |
| Assembly | Factory assembled and tested |
| Certification | CTI, ISO9001, ISO14001, OHSAS18001 |
| Applications | HVAC systems, Chiller plants, Industrial process cooling, Power plants, Data centers |
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