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Rotary compressors
Rotary compressors are an important component in refrigeration technology. They are mainly found in refrigerators and freezers, air conditioning systems and heat pumps. They compress the refrigerant circuit and thus increase the temperature of the refrigerant. Rotary piston compressors are usually operated with the fluorinated refrigerants R22, R134a or R407C. In recent years, the trend towards natural refrigerants such as R290 (propane) and R1270 (ammonia) has increased. Inverter compressors enable higher energy efficiency as they can vary the speed and thus adapt the output to the respective load. The best-known manufacturers of reciprocating compressors are Copeland, Danfoss, Bitzer, Maneurop, Tecumseh and Frascold.
Filter
Design | Design |
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Scope of application | MBP/HBP |
Voltage | 220-240V |
Design | Design |
---|---|
Position of the motor | vertical |
Scope of application | MBP/HBP |
Voltage | 220-240V |
Btu/h | 10268 |
---|---|
Connection Size | Connection Size |
Connection pressure side | 3/8" |
Design | Design , Hermetic |
Dimensions ( height ) | 28.60 cm |
Displacement | 16.4 cm3 , 19.3 cm3 , 21.3 cm3 |
Displacement (cm3) | 19,3 |
Equipment | Equipment |
LRA | 21,00 A , 24,00 A , 28,00 A |
Material | Plastic |
Oil quantity (l) | 0,37 |
Oil type | RL-32RV |
Other notes | Available with metal cover , Start electronics not included |
Position of the motor | vertical |
Power (Btu/h) | 10,000-20,000 Btu/h |
Power range (W) | 3 - 5 kW |
Pressure line (inch) | 3/8 |
Protection class | External |
Rated current | 4,10 A , 5,00 A , 5,60 A |
Refrigerant | R407C |
Scope of application | MBP/HBP |
Sound level | 63 dB , 65 dB |
Speed | 2800 rpm |
Suction line (inch) | 1/2 |
Suction line connection | 1/2" , 3/8" |
Technology | On/Off |
Voltage | 220-240V |
dbA @ 1m | 65 |
Btu/h | 9078 |
---|---|
Design | Design , Hermetic |
Dimensions ( height ) | 29,30 cm |
Displacement (cm3) | 16,4 |
Equipment | Equipment |
Oil quantity (l) | 0,31 |
Oil type | RL-32RV |
Position of the motor | vertical |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 2 - 3 kW |
Pressure line (inch) | 3/8 |
Refrigerant | R407C |
Scope of application | MBP/HBP |
Suction line (inch) | 3/8 |
Suction side | 3/8" |
Voltage | 220-240V |
dbA @ 1m | 63 |
Btu/h | 2360 |
---|---|
COP | 2,35 |
Condensation temperature | 54.4 °C |
Design | Design , Hermetic |
Displacement (cm3) | 6,45 |
Measuring conditions | ARI |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 501 - 700 W |
Voltage | 220-240V |
Btu/h | 5800 |
---|---|
COP | 2,98 |
Design | Design , Hermetic |
Displacement (cm3) | 12,2 |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 1.5 - 2 kW |
Scope of application | MBP/HBP |
Voltage | 220-240V |
Btu/h | 17272 |
---|---|
Design | Design , Hermetic |
Dimensions ( height ) | 31.70 cm |
Displacement | 29.2 |
Displacement (cm3) | 29,2 |
Equipment | Equipment |
Position of the motor | vertical |
Power (Btu/h) | 10,000-20,000 Btu/h |
Power range (W) | 3 - 5 kW |
Power supply | 400 V |
Refrigerant | R407C |
Scope of application | MBP/HBP |
Voltage | 220-240V |
Btu/h | 13940 |
---|---|
Design | Design , Hermetic |
Dimensions ( height ) | 30.80 cm |
Displacement (cm3) | 25,4 |
Equipment | Equipment |
Oil quantity (l) | 0,48 |
Oil type | RL-32RV |
Position of the motor | vertical |
Power (Btu/h) | 10,000-20,000 Btu/h |
Power range (W) | 3 - 5 kW |
Pressure line (inch) | 3/8 |
Refrigerant | R407C |
Scope of application | MBP/HBP |
Suction line (inch) | 1/2 |
Voltage | 220-240V |
dbA @ 1m | 65 |
Design | Design |
---|---|
Refrigerant | R410A |
Scope of application | MBP/HBP |
Voltage | 220-240V |
Btu/h | 2822 |
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Design | Hermetic |
Dimensions ( height ) | 21,90 cm |
Displacement (cm3) | 7,5 |
Equipment | Equipment |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 701 - 1000 W |
Btu/h | 13022 |
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Design | Design , Hermetic |
Dimensions ( height ) | 30.80 cm |
Displacement (cm3) | 23,5 |
Equipment | Equipment |
Oil quantity (l) | 0,48 |
Oil type | RL-32RV |
Position of the motor | vertical |
Power (Btu/h) | 10,000-20,000 Btu/h |
Power range (W) | 3 - 5 kW |
Pressure line (inch) | 3/8 |
Refrigerant | R407C |
Scope of application | MBP/HBP |
Suction line (inch) | 1/2 |
Voltage | 220-240V |
dbA @ 1m | 65 |
Btu/h | 3570 |
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Design | Hermetic |
Dimensions ( height ) | 21,90 cm |
Displacement (cm3) | 9,2 |
Equipment | Equipment |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 1 - 1.5 kW |
Design | Design |
---|---|
Scope of application | MBP/HBP |
Voltage | 220-240V |
Cooling capacity in kw | 0.7 |
---|---|
Design | Design |
Scope of application | MBP/HBP |
Voltage | 220-240V |
Design | Design |
---|---|
Refrigerant | R410A |
Scope of application | MBP/HBP |
Voltage | 220-240V |
Btu/h | 8769 |
---|---|
Compressor type | Rotation |
Condensing units Compressors | Compressor |
Connection Size | Connection Size |
Cooling capacity (W) | 2570 |
Design | Design , Hermetic |
Dimensions ( height ) | 27,90 cm |
Displacement (cm3) | 10,8 |
Hersteller | GMCC , Toshiba |
Info | Oil prefilled |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 2 - 3 kW |
Power supply | 230 V |
Pressure line (mm) | 8,1 |
Refrigerant | R410A |
Scope of application | MBP/HBP |
Series | PA |
Suction line (mm) | 9,8 |
Suction side | 9.8 mm |
Voltage | 220-240V |
Btu/h | 24390 |
---|---|
COP | 2,95 |
Condensation temperature | 54.4 °C |
Design | Design , Hermetic |
Displacement | 417 |
Displacement (cm3) | 41,7 |
Equipment | Equipment |
Measuring conditions | ARI |
Power (Btu/h) | 20,000-30,000 Btu/h |
Power range (W) | 7 - 10 kW 20 - 30 kW |
Refrigerant | R407C |
Scope of application | AC |
Voltage | 220-240V |
Design | Design |
---|---|
Displacement | 35.7 |
Position of the motor | horizontal |
Scope of application | LBP/MBP |
Voltage | 220-240V |
Btu/h | 9277 |
---|---|
COP | 3,29 |
Design | Hermetic |
Displacement (cm3) | 9,2 |
Power (Btu/h) | 1,000-10,000 Btu/h |
Power range (W) | 2 - 3 kW |
Refrigerant | R410A |
Condensation temperature | 54.4 °C |
---|---|
Connection Size | Connection Size |
Design | Design , Hermetic |
Dimensions ( length × width × height ) | 26.10 × 22.90 × 37.20 cm |
Engine type | PSC |
Equipment | Equipment |
Max. Operating current (A) | 43 |
Measuring conditions | ASHRAE-T |
Oil quantity (l) | 0,44 |
Oil type | FVC68D |
Pressure line (mm) | 9,7 |
Refrigerant | R410A |
Suction line (mm) | 12,8 |
Voltage | 220-240V |
Rotary Piston Compressor: Operation, Advantages, Disadvantages and Maintenance
Refrigeration is an important industry that includes many specialised products, including rolling piston compressors. This text will cover the operation, advantages, disadvantages and maintenance of rolling piston compressors.
Rotary Piston Compressor Function and Operation
A rolling piston compressor is a type of reciprocating compressor used in refrigeration systems and heat pumps. Unlike other types of compressors such as the scroll compressor or reciprocating compressor, the rolling piston compressor, also called a rotary compressor, uses two rotating elements to draw in and compress the refrigerant. The rolling pistons rotate in a sealed housing, creating a continuous compression cycle.
Rolling piston compressors can compress the refrigerant to low or medium condensing pressures and are therefore able to compress small amounts of gas in an energy-efficient manner.
Advantages and Disadvantages of Rotary Compressors
While rolling piston compressors have some advantages, they also have some disadvantages. One of the main disadvantages is the higher purchase price compared to other types of compressors. Maintenance costs can also be higher, as rotary piston compressors can be more sensitive to dirt and contamination. In contrast, however, the rotary piston compressor has a longer service life, which can lead to savings in total cost of ownership.
Double Rolling Piston Compressor
A further development of the rolling piston compressor is the twin rolling piston compressor. As the name suggests, this compressor has two rolling pistons that rotate in opposite directions. This achieves a higher pressure and improves efficiency. In this case too, the purchase costs are higher than for a conventional rotary lobe compressor, but the savings in operating costs can certainly outweigh the higher costs.
By using two rolling pistons rotating in opposite directions, a higher pressure is achieved. This means that the twin rolling piston compressor is able to compress more refrigerant than a conventional rolling piston compressor. The higher efficiency results in better efficiency and performance, which is particularly advantageous in applications with high cooling capacity requirements.
Another advantage of the double rotary piston compressor is the improved stability during operation. The counter-rotation of the rollers ensures better alignment and greater stability in operation. This is particularly advantageous in applications with high loads and frequent operation.
Service Life and Maintenance of Reciprocating Compressors
The service life of a reciprocating compressor depends on many factors, including the quality of the compressor, the operating conditions and maintenance. To maximise the service life of the compressor, it is important to carry out regular maintenance work.
Tips for Maintaining Rolling Piston Compressors to maximise service life
Regular maintenance can help extend the life of a rotary compressor. This includes cleaning filters, filter driers and heat exchangers, checking electrical connections and checking oil level and quality. It is also important to check the refrigerant regularly and replace it if necessary. Maintenance should be carried out according to the manufacturer's instructions.
Recommendations for Regular Maintenance Work
Regular maintenance of compressors usually includes the following steps:
- Checking the electrical Connections and Components
- Cleaning Filters and Heat Exchangers
- Checking the Oil Level and Oil Quality
- Check the Refrigerant and Replace if Necessary
- Checking the Vibration and Noise Levels
- Check Wear Parts and replace if Necessary
The exact Requirements and Intervals may vary depending on the Manufacturer and Model.
Brands and Manufacturers of Reciprocating Compressors
There are many Brands and Manufacturers of Reciprocating Compressors on the Market. Careful selection of the right Manufacturer and Model is important to ensure high Performance and Reliability.
Overview of leading Brands and Manufacturers of Reciprocating Compressors
Some of the leading Brands and Manufacturers of Reciprocating Compressors are GMCC, Hitachi, Samsung, Boyard, LG. JeBrands and Manufacturers of Reciprocating Compressors the Manufacturer has a wide Range of Models that are suitable for different Applications and Performance requirements.
Comparison of Products and Properties
When Comparing Products and Features of Compressors, you should pay attention to Performance, Efficiency, Service Life, Noise Levels and operating costs. It is also important to consider the Manufacturer's Warranty Conditions and Customer Service.
Conclusion
Choosing the right Reciprocating Compressor is crucial for the Performance and Reliability of Refrigeration and Air Conditioning Systems. Regular maintenance and care is crucial to maximise the Life of the Compressor. Thorough Research into the leading Brands and Manufacturers, as well as a comparison of Products and features, is the cornerstone of a reliable and Energy-Efficient refrigeration system. Our expert Team will be happy to assist you in selecting the right Components.