Refrigerated Air Dryer
Refrigerated Air Dryer Manufacturer in Rajkot, Gujarat, India
LOITHA is a leading manufacturer and exporter of Refrigerated Air Dryers in Rajkot, Gujarat, India. Our industrial refrigerated air dryers are designed to remove moisture from compressed air systems and provide clean, dry, and high-quality compressed air for industrial applications.
Compressed air contains moisture in the form of water vapor, which can cause rust, corrosion, pipeline damage, poor product quality, and equipment failure. LOITHA Refrigerated Air Dryers effectively remove moisture using advanced refrigeration technology and high-efficiency heat exchangers.
Our dryers are widely used in manufacturing industries, laser cutting applications, pharmaceutical industries, textile plants, food processing industries, automobile industries, CNC machine operations, and engineering workshops
What is a Refrigerated Air Dryer?
A refrigerated air dryer removes moisture from compressed air through the use of a heat exchanger cooling system. The compressed air passes through an air-to-refrigerant heat exchanger where the temperature is reduced, causing water vapor to condense into liquid water.
The condensed water is then separated and drained out of the system, leaving clean and dry compressed air suitable for industrial use.
A refrigerated air dryer typically provides a dew point around 40°F, making it ideal for most industrial compressed air applications.
What is Dew Point in an Air Dryer?
Dew point refers to the temperature at which moisture in compressed air begins to condense into water.
Lower dew point means drier compressed air.
Desiccant air dryers can achieve dew points as low as:
-40°C (-40°F) or lower
Compressed air quality standards are generally defined according to:
ISO 8573.1 International Standard for Compressed Air Quality
How Does a Refrigerated Air Dryer Work?
The refrigerated air dryer works through a multi-stage cooling and moisture separation process:
- Air-to-Air Heat Exchange
Incoming hot compressed air is pre-cooled by outgoing cool dry air.
- Refrigeration Cooling
The compressed air passes through an air-to-refrigerant heat exchanger where the temperature drops significantly.
- Moisture Condensation
Water vapor condenses into liquid moisture due to cooling.
- Moisture Separation
The condensed water is separated and automatically drained from the system.
- Dry Air Delivery
Clean and dry compressed air is supplied to downstream equipment.
Boundary Conditions
Operating Parameters | Ideal | Minimum | Maximum |
Inlet Air Temperature, C | 45 | 10 | 60 |
Ambient Temperature, C | 40 | -5 | 50 |
Inlet Air Pressure, bar g | 7 | 2 | 16 |
Pressure Dew Point, C | 3 | 3 | 10 |
Key Features of LOITHA Refrigerated Air Dryer
- Copper “Tube & Tube” and “Shell & Tube” non-corrosive heat exchanger
- Lower pressure drop and higher heat transfer efficiency
- Inbuilt centrifugal moisture separator with dead zone design to avoid condensate carryover
- PUF insulation for heat exchanger assembly
- Electronic digital timer operated auto drain valve
- High-quality refrigeration components including compressor, condenser, fan motor, filter, and expansion valve
- Non-cyclic refrigeration system with hot gas bypass solenoid valve for varying load conditions
- Suitable for seasonal adjustments and continuous operation
- Filled with ozone-friendly refrigerants including R134a, R22, R410A, and R407C
Applications of Refrigerated Air Dryer
LOITHA Refrigerated Air Dryers are widely used in:
- Screw Air Compressor Systems
- Fiber Laser Cutting Machines
- CNC Machines
- Pharmaceutical Industries
- Textile Manufacturing
- Food Processing Plants
- Automobile Industries
- Engineering Workshops
- Packaging Industries
- Industrial Automation Systems
Technical Specification
Sr. No. | Model | Nominal Capacity | Electrical Connection | Rated Power (KW) | ||
cfm | m³/h | 1-ph | 3-ph | |||
1 | AH-002 | 20 | 34 | √ |
| 0.15 |
2 | AH-004 | 40 | 68 | √ |
| 0.2 |
3 | AH-006 | 60 | 102 | √ |
| 0.4 |
4 | AH-008 | 80 | 136 | √ |
| 0.5 |
5 | AH-010 | 100 | 170 | √ |
| 0.6 |
6 | AH-015 | 150 | 255 | √ |
| 0.9 |
7 | AH-020 | 200 | 340 | √ | √ | 1.2 |
8 | AH-025 | 250 | 425 | √ | √ | 1.4 |
9 | AH-030 | 300 | 510 | √ | √ | 1.6 |
10 | AH-040 | 400 | 680 |
| √ | 1.9 |
11 | AH-050 | 500 | 850 |
| √ | 2.3 |
12 | AH-060 | 600 | 1020 |
| √ | 2.8 |
13 | AH-070 | 700 | 1189 |
| √ | 3.7 |
14 | AH-080 | 800 | 1360 |
| √ | 4.2 |
15 | AH-100 | 1000 | 1699 |
| √ | 5 |
16 | AH-120 | 1200 | 2039 |
| √ | 5.45 |
17 | AH-150 | 1500 | 2550 |
| √ | 6.8 |
Benefits of LOITHA Refrigerated Air Dryer
Removes Moisture Efficiently
Protects compressed air systems from water contamination.
Improves Product Quality
Provides dry and clean compressed air for sensitive industrial applications.
Protects Equipment
Prevents corrosion, rust, and moisture-related damage to pneumatic systems.
Energy Efficient Operation
Optimized heat exchanger design ensures lower pressure drop and reduced power consumption.
Reliable Industrial Performance
Designed for continuous heavy-duty industrial applications.
Why Choose LOITHA Refrigerated Air Dryers?
LOITHA provides advanced compressed air treatment solutions engineered for high efficiency, reliability, and long service life. Our refrigerated air dryers are manufactured using premium-quality components and modern technology to ensure stable dew point performance and superior moisture removal.
We offer customized industrial air dryer solutions for multiple industries across India and international markets.






