- Inlet Temperature: 45℃
- Inlet Pressure: 0.7Mpa
- Ambient Temperature(Air-cooled): 38°C
- Cooling Temperature: 32°C
- Outlet Dew Point: 7°C
- Operating Frequency: 30~90/120Hz
VSD Refrigerated Air Dryer
Product Features
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Strictly in accordance with ISO9001, GB150 standards, ISO7183 refrigerated air dryer standard, QS, pressure vessel inspection specification for design, manufacture and testing, which ensure the safe and reliable operation of products.
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Water cooled condenser adopts high efficiency heat exchange copper tube, small volume, high heat exchange efficiency. No foundation installation, suitable for closed high ambient temperature operation. Refrigeration parts, control components are used in the international quality brand, which improve the service life. Adopt new fully enclosed refrigeration compressor, long life, low noise, reliable performance, high energy efficiency.
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Equipment structure design is reasonable, the golden proportion of the design concept of super three-dimensional structure; High efficiency gas and water separator device with excellent automatic drain valve, continuous and stable condensate out of the machine; Good drain system design, no plugging, with filter can be cleaned regularly; Unique refrigeration system design: low temperature and no icing, good refrigerant filtration system, no ice blocking phenomenon; Effectively remove compressed air moisture.
Specification and parameter table for air-cooled VSD refrigerated air dryer
Note: The whole series adopts eco-friendly refrigerant R410A, pressure drop 0.015MPa, frequency 50/60Hz; power supply is 3Ph; SLTDV-900AH/1100AH/1300AH three models of 60Hz will be different.
Specification and parameter table for water-cooled VSD refrigerated air dryer
Note: The whole series adopts eco-friendly refrigerant R410A, pressure drop 0.015MPa, frequency is 50Hz/60Hz.
In modern industrial production, compressed air quality directly affects product quality, equipment lifespan, and operational efficiency. Moisture in compressed air can lead to corrosion, pipeline damage, and production instability.
The VSD Refrigerated Air Dryer offers a smart and energy-efficient solution to these challenges by combining stable refrigeration drying technology with variable speed control.
💡 What is a VSD Refrigerated Air Dryer?
A VSD (Variable Speed Drive) refrigerated air dryer is an advanced type of compressed air dryer that automatically adjusts its operating frequency based on real-time air demand.
Unlike traditional fixed-speed dryers, it continuously optimizes energy usage while maintaining a stable pressure dew point.
Typical performance data:
- Inlet Temperature: 45°C
- Inlet Pressure: 0.7 MPa
- Outlet Dew Point: 7°C
- Operating Frequency: 30–90 / 120 Hz
⚙️ How It Works
The system uses a refrigeration cycle to cool compressed air, condensing and removing moisture. The VSD technology adjusts compressor speed dynamically based on:
- Air load demand
- Ambient temperature
- Real-time system pressure
This ensures stable drying performance while avoiding unnecessary energy consumption.
🌟 Key Features of VSD Refrigerated Air Dryer
1. Energy Efficiency with Variable Speed Control
The system automatically adjusts frequency from 30Hz to 120Hz, significantly reducing energy waste during low-load operation.
2. Stable Dew Point Performance
Maintains a consistent 7°C outlet dew point, ensuring reliable moisture removal for industrial applications.
3. Environmentally Friendly Refrigerants
Uses advanced refrigerants such as R513A and R410A, offering high efficiency and lower environmental impact.
4. Strong Heat Exchange System
Counter-current heat exchange design increases cooling efficiency while reducing pressure loss.
5. Intelligent Load Matching
Real-time monitoring ensures the dryer output matches actual compressed air demand.
🏭 Industrial Applications
The VSD refrigerated air dryer is widely used in:
- Manufacturing industries
- Laser cutting systems
- Automotive production
- Food & beverage processing
- Pharmaceutical production
- Electronics and precision equipment
📉 Why Energy Efficiency Matters
Compressed air systems are among the highest energy consumers in industrial facilities.
By using VSD technology, companies can:
- Reduce energy consumption by up to 30%
- Improve system stability
- Lower maintenance costs
- Extend equipment lifespan
🔧 Why Choose VSD Refrigerated Air Dryer?
Compared to traditional dryers, VSD models offer:
✔ Lower operating cost
✔ Smarter energy control
✔ Stable air quality output
✔ Reduced carbon emissions
✔ Higher return on investment
📌 Conclusion
The VSD Refrigerated Air Dryer is not just an air treatment device—it is an energy optimization solution for modern industrial systems.
With intelligent control, stable dew point performance, and environmentally friendly design, it is the ideal choice for companies seeking efficiency and reliability.
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