RIGID HVAC CO., LTD
Direct Expansion System, DV1910
Capacity: 450W (1,535Btu)
12V DC
3.5 kgs/7.7lbs
Refrigerant: R134A
Working Amps: 1~8A, (Maximum 10A)
Size: 190x160x138 mm (7.48x6.3x5.43 inch)
Mini DC compressor cooling module
12V mini compressor to enable peak performance
Drive board is included
Benefits: Compact, light, competitive price, high heat transfer rate, adaptable/configurable highest heat transfer rate, low installation costs.
Direct Expansion System, DV1920
Capacity: 450W (1,535Btu)
24V DC
3.5 kgs/7.7lbs
Refrigerant: R134A
Working Amps: 1~7A, (Maximum 8.5A)
Size: 190x160x138 mm (7.48x6.3x5.43 inch)
Mini DC compressor cooling module
24V mini compressor to enable peak performance
Drive board is included
Benefits: Compact, light, competitive price, high heat transfer rate, adaptable/configurable highest heat transfer rate, low installation costs.
Direct Expansion System, DV1930
Capacity: 450W (1,535Btu)
48V DC
3.5 kgs/7.7lbs
Refrigerant: R134A
Working Amps: 1~4A, (Maximum 7.5A)
Size: 190x160x138 mm (7.48x6.3x5.43 inch)
Mini DC compressor cooling module
48V mini compressor to enable peak performance
Drive board is included
Benefits: Compact, light, competitive price, high heat transfer rate, adaptable/configurable highest heat transfer rate, low installation costs.
Direct Expansion System, DV3220
Capacity: 550W (1,876Btu)
24V DC
4.0 kgs/8.8lbs
Refrigerant: R134A
Working Amps: 1~10.3A, (Maximum 12.5A)
Size: 190*190*182mm (7.48x7.48x7.17inch)
Mini DC compressor cooling module
24V mini compressor to enable peak performance
Drive board is included
Benefits: Compact, light, competitive price, high heat transfer rate, adaptable/configurable highest heat transfer rate, low installation costs.
Direct Expansion System, DV2820
Capacity: ≥500W to 700W (2,387Btu)
- 24V DC
- 4.0 kgs/8.8lbs
- Refrigerant: R134A or R290
- Compressor type: Twin-cylinder miniature compressor
- Working Amps: 1~8.3A, (Maximum 12A)
- Size: 190*160*180mm (7.5 x 6.3 x 7.0 inch)
- 24V mini compressor to enable peak performance
- Drive board is included
- LED display (optional)
Benefits: Compact, light, competitive price, high heat transfer rate, adaptable/configurable highest heat transfer rate, low installation costs.
Direct Expansion System Drawing
Features of Direct Expansion System
- 12V / 24V / 48V DC
- Low installation costs.
- Lightweight and small size.
- Low energy consumption.
- Lower maintenance costs.
- Low operating noise (45dB).
- Can be battery, DC-powered operation
- Easy to test, adjust, and balance the end user's system.
- Individual sections can operate without running the entire system.
Direct Expansion Refrigeration System Cycle
In direct refrigerant cooling, the refrigerant flows directly through the evaporator or customer cold plate. In RIGID Expansion evaporator system, the circulation is driven by our patent miniature DC compressor. The advantages are very clear. This method eliminates the need for a liquid recirculation pump, water tank, and associated piping and connectors - all sources of failure and leakage.
Compared to commercially available liquid coolers, RIGID's DX expansion cooling system is 20 times smaller and 20 times lighter. Efficiency is improved by eliminating the losses associated with cooling liquids and the energy savings of driving the pump. The cooling capacity of the direct refrigerant is 45% greater than that of the liquid cooler.
The system is greatly simplified to avoid fluid leakage and improve reliability with an average life of 90,000 hours. The system is sealed at the plant and essentially maintenance-free. Direct expansion cooling greatly simplifies system configuration and provides maximum efficiency. This is the ideal configuration for many lasers, semiconductors, and medical device applications.
To learn more about this technology and to see a variety of applications. For a free evaluation of your project, please contact us today. Thank you.
DX System Cooling Cycle
The way direct expansion systems work is that the direct expansion system can be connected directly to the customer's evaporator.
The evaporator is located in the space to be cooled. As the refrigerant in the evaporator coil expands, it cools that space by absorbing heat from the space.
Mini-refrigerators, laboratory equipment cooling, precision instrument cooling, and equipment requiring direct refrigerant cooling packages are examples of such systems.
The liquid refrigerant is handled by a flow control device, which can be a thermal expansion valve or a capillary tube.
The receiver of the direct expansion system is located after the compressor, where the high-pressure and high-temperature liquid refrigerant is stored. This liquid flows from the receiver through the liquid line to the refrigerant flow control device.
The liquid high pressure is then reduced to the evaporator pressure as it passes through the flow control. This is so that the saturation temperature of the refrigerant entering the evaporator will be lower than the refrigeration space.
As the liquid passes through the flow control device, a portion of the liquid vaporizes, lowering the liquid temperature to the evaporating temperature.
The RIGID direct expansion system can be connected to a cold plate, which acts as an evaporator. When the cold plate is placed on the part to be cooled, the cold plate absorbs and disperses heat from the part into the heat transfer fluid. Cold plates are used in a wide range of electronic cooling applications in many process industries.
Direct Expansion Evaporator System Applications
RIGID Direct Expansion Evaporator System is a set of miniature refrigeration modules directly cooled by refrigerants, using RIGID's miniature compressor technology to provide the user with the most compact cooling solution.
The miniature direct expansion systems can be easily integrated into a final solution that is compact, quiet, reliable, and economical. Users can integrate expanded cold plates directly into our expansion systems to achieve space-specific cooling or temperature control.
RIGID direct expansion systems are used in a wide range of applications. For example, mini-fridge, industrial, medical, scientific, lasers, instruments, and other active thermal management, where the cold plate is mounted directly on it. The temperature can be controlled with high precision, +/-0.5°C. With RIGID mini compressor, extremely compact systems can be designed for high heat flux applications in electronics cooling, batteries, laboratory cold plates, etc.
Cold Plate Refrigeration
Beverage Cooler
Outdoor Freezer
Outdoor Refrigerator
Electronics Battery
Cold Plate Cooling
Precise Instrument
Laboratory Equipments
Standard Products and Custom Solutions
Established in 2010, RIGID is the manufacturer who's behind many popular brands in the US. RIGID's vision is to set the benchmark standard for the microcooling industry. We are a China manufacturer and supplier of compact cooling systems, working in close cooperation with the leading United States and European manufacturers of Air-conditioning & Refrigeration.
In addition to offering standard products including Micro DC Aircon (ruggedized air conditioner modules for compact and confined space cooling), Liquid Chiller Module (battery-driven compact refrigeration systems that our customers integrate into their applications), and DC Condensing Unit (world's smallest direct cooling units used by customers in small freezer, medical, laser, and electronics cooling). RIGID also custom-designed or modified refrigeration systems for most customers' specific applications.
Let our engineering team develop the perfect cooling solution for you!
Online Store
Direct Refrigeration DV3820 (24V)$600.00 - $710.00Direct Refrigeration DV3830 (48V)$600.00 - $710.00Direct Refrigeration DV2820-T (24V, R290)$500.00 - $590.00Direct Refrigeration DV2820 (24V, R134A)$480.00 - $570.00
Direct Refrigeration DV3220 (24V, R134A)$460.00 - $550.00Direct Refrigeration DV1930 (48V, R134A)$410.00 - $500.00Direct Refrigeration DV1920 (24V, R134A)$400.00 - $490.00Direct Refrigeration DV1910 (12V, R134A)$390.00 - $480.00
