industrial cooling solutions
High-precision 10HP cooling unit for industrial applications.
20HP thermal spray Chiller
The Ultimate Process Barrier
Core Component Protection
In the thermal spray process, spray guns generate extreme instantaneous heat loads. The APT-BL20PL Series 20HP Chiller was developed through years of collaboration with the world’s leading thermal spray equipment providers.
It is far more than just a refrigeration unit; it serves as a critical barrier protecting core components from the devastating effects of thermal degradation. By providing a stable, high-pressure cooling loop, we ensure your production line maintains peak performance under the most rigorous conditions.
Critical Components Protected
- Nozzles Precision Flow
- Electrodes Cathode & Anode
- Chambers Combustion
- Feed Lines Powder Delivery
20HP Thermal Spraying Process Chiller
High-Pressure & ±1°C Precision Cooling for Plasma & HVOF Systems
A Critical Protection Barrier
In thermal spray processes (Plasma/HVOF), spray guns generate extreme instantaneous heat loads. The APT-BL20PL Series is not just a refrigeration unit; it is a critical barrier protecting core components from devastating thermal degradation.
What we protect:
- Nozzles & Electrodes
- Combustion Chambers
- Cathode & Anode
- Powder Feed Lines
Extend Gun Life by 30%+
Optimized for Oerlikon Metco F4, Praxair SG100, and leading custom spray systems.
Technical Key Advantages
High Pressure (15 Bar)
High-head pumps designed to penetrate narrow gun channels with 216 PSI capability.
±1.0°C Precision
Maintains arc stability and coating bond strength through advanced PID logic.
Dust Resilience
Fully sealed electrical cabinets to isolate conductive metallic dust in spray booths.
24/7 Reliability
Heavy-duty scroll compressors engineered for non-stop industrial manufacturing.
Technical Specifications
| Cooling Capacity | 52.5 kW / 45,150 kcal/h |
| Compressor Power | 20 HP (15 kW) |
| Max Process Pressure | 15 bar (216 PSI) |
| Temp. Range | 5°C – 35°C (±1°C Accuracy) |
| Communication | RS485 / Modbus RTU |
The Critical Need for Specialized Cooling in Thermal Spraying
Thermal Spraying processes, particularly High-Velocity Oxy-Fuel (HVOF) and Plasma Spraying, generate intense heat. The spray guns (Torches) operate at extreme temperatures and contain narrow internal coolant channels. Failure to provide sufficient, precise, and high-pressure cooling can lead to catastrophic component failure, including nozzle burnout and electrode erosion, unstable coating density, and costly production downtime.
Traditional, generic cooling systems often fail to meet the specific requirements of these advanced industrial processes. Generic units frequently struggle with the high-pressure demands of torch channels, offer inadequate temperature precision, or cannot withstand the dusty environments of a spray booth.
Why Choose APT’s Industrial Chiller for Your Thermal Spraying Line?
APT-BL20PL-20D is specifically engineered as a reliable, rugged solution, optimized to protect the high-value core components of thermal spraying systems. Here are the core reasons to trust APT for your cooling needs:
- Optimized High-Pressure Design: Our system is built with a high-head industrial pump to overcome the intense backpressure of advanced spray guns like the Oerlikon Metco F4, SG100, and Praxair 5000 models, capable of supporting up to 15 bar (216 PSI) of process pressure. This guarantees coolant flow through every channel, preventing localized vaporization.
- Precise ±1.0°C Temperature Stability: Achieve unmatched consistency in coating bond strength and density. Our advanced micro-computer controller keeps temperature fluctuations within ±1.0°C, ensuring a stable plasma arc and superior coating results across every batch.
- Corrosion-Resistant and Scaling-Resistant Construction: Featuring a fully stainless-steel, closed-loop water circuit, our chiller prevents contamination. Combined with the use of glycol mixtures, it eliminates internal scaling and corrosion, extending spray gun lifespan by over 30%.
- Rugged Industrial Build for Dusty Environments: Encased in a fully sealed electrical cabinet, our system is resilient to the metal dust and harsh conditions common in industrial spray booths, supporting reliable 24/7 heavy-duty operation.
Comprehensive Safety Protections
High/Low Pressure Protection
Monitors refrigerant pressure in real-time, preventing compressor damage.
Compressor Overload
Prevents compressor burnout caused by excessive load or voltage.
Phase Sequence Protection
Ensures the correct rotation of the pump and compressor.
Anti-Freeze Protection
Prevents ice formation on the heat exchanger when oil temp is too low.
Oil Pump Overload
Protects the gear pump from damage due to oil blockages.
Flow Detection (Optional)
Triggers alarm if oil flow rate drops below safe operating levels.