Compressed Air Dryers
Refrigerant Compressed Air Dryer
High-Pressure Non-Cycling Refrigeration Dryers
Reliable High Quality Air for Demanding Environments
Maximum reliability at working pressures up to 45 barg
CompAir high-pressure refrigeration dryers deliver safe and constant quality, dry compressed air for various demanding environments such as PET bottle blowing, water jet cuts and aeronautical valves, in ambient temperatures of up to 50°C. Delivering consistent dew point control of +3°C for reliable and dry compressed air, this range of ten robust, compact and space-saving dryers provide maximum reliability at flow rates of between 88m3/h to 1, 200m3/h (at a nominal pressure of 40 barg).
Fully integrated three in one stainless steel heat exchangers offer reliability and long life. At the same time, energy efficiency is increased by 10% over previous models, and CO2 footprint is reduced with the use of the new R513A refrigerant. High-pressure non-cycling refrigeration dryers from CompAir – efficiency and reliability by design support the sustainability of our product and customer operations.
Features
Dew Point Indication
ON/OFF Switch
Terminal for Remote Alarm Signal
Antifreezing
Refrigerant Pressure Safety Relief Valve
Variable Speed Fan
History of Last 10 Alarms
Hot Gas By-pass Valve
Timed Electronic Drain Valve
Electric Frequency
1. Compressed Air Dryers (General)
Compressed air dryers are used to remove moisture from compressed air systems. Moisture can cause:
Corrosion in pipelines
Damage to pneumatic tools
Product contamination (especially in food/pharma)
Common types include:
Refrigerated dryers
Desiccant (adsorption) dryers
Membrane dryers
2. Refrigerant Compressed Air Dryer
A refrigerated dryer works like an air conditioner:
It cools compressed air to condense water vapor
The condensed water is then separated and drained
Key Features:
Typical dew point: +2°C to +10°C
Energy-efficient for general use
Low maintenance
Best For:
Workshops
Manufacturing plants
General industrial applications
Limitations:
Not suitable for extremely dry air requirements (e.g., pharmaceuticals)
3. High-Pressure Non-Cycling Refrigeration Dryer
This is a specialized refrigerated dryer designed for:
High-pressure systems (e.g., PET bottle blowing, gas compression)
Continuous operation (non-cycling)
What “Non-Cycling” Means:
The refrigeration system runs continuously
Maintains a stable dew point regardless of load changes
Key Features:
Handles high inlet pressure (often 40 bar or more)
Consistent performance under varying loads
Simpler control system compared to cycling dryers
Advantages:
Reliable and stable dew point
Better for critical processes
No frequent on/off cycling → less wear and tear
Trade-offs:
Higher energy consumption compared to cycling dryers
Less energy-efficient at partial load
Quick Comparison
Feature Refrigerated Dryer High-Pressure Non-Cycling Dryer
Pressure Range Standard (7–10 bar) High (up to 40+ bar)
Operation May cycle Continuous
Energy Use Moderate Higher
Stability Good Very stable
Use Case General industry PET, gas, high-pressure systems
If you’re choosing between them, it depends on:
Required pressure level
Dew point requirement
Whether your load is constant or variable
