The StarCO2mpressor from BOCK pays off with the climate neutral R744 refrigerant for functional and environmentally advantages in bus and rail air conditioning:
- Natural, non-flammable refrigerant
- Climate neutral: no Ozone Depletion Potential (ODP = 0) and the lowest Global Warming Potential (GWP = 1)
- Efficient operation of heat pumps down to an outside temperature of -20 °C
- Meets the criteria for the eco-label “Blauer Engel” (Blue Angel)
- Meets the requirements of many national support programs
- CO2 air conditioning: award criterion in the hybrid bus
- Promotion of the German Federal Ministry for the Environment
- Nature Conservation, and Nuclear Safety (BMUB)
Advanced and proven drive gear design:
- Cylinders arrayed in a star shape around the crankshaft
- Designed for transcritical use with R744 refrigerant
Very smooth operation:
- Robust drive gear with multiple bearings: high comfort for bus and train users
Space-Saving lightweight:
- 220 mm height: perfect for roof installation
- 81 kg weight: 25 % less weight compared to standard compressors with same performance class
Wide speed range:
- 12.5 Hz to 75 Hz heat pump performance
High-performance oil pump:
- Constant oil supply up to 22° inclination during continuous operation
- 30° short-term
Welded, robust steel housing:
- Lowest leakage potential
- High reliability
- Consequent reduction of potential leakage points
- Especially developed for transcritical CO2 applications
Innovative radial reciprocating technology specially designed for mobile CO2 applications:
- Space saving roof installation in electric buses and railways
- Low height, low weight
- Increased effectiveness in air-cooling and heating
- Complete climate control: heat pump function – even at outside temperatures of -20 °C
- Achieving plus 20 % efficiency with combined heat pump solution
- Pioneering solution: state of the art efficiency rates in air conditioning and heating
- Eliminates the need auxiliary heaters
- Increases vehicle range up to 40 %.
Economically and ecologically: New standard for mobile CO2 compressors:
- Robust welded steel housing
- Special Oil management
- Very smooth operation
- Advantageous suitability proven in series use of renowned automotive manufacturers
- Suitable investment for manufacturers and transportation companies wanting to be competitive in the market of electromobility
BOCK StarCO2mpressor is the latest state of the art technology:
- Four-cylinder radial reciprocating compressor HR40
- Max. permissible overpressure: 150 bar/100 bar (HD/ND)
- Weight: 81 kg
- Height: approx. 220 mm, overall length: 600 mm
- Maximum permissible inclination: 22° continuous operation, 30° short-term
- Pipe connection with flange connection, optional soldering sleeve
- Displacement with 50 Hz / 2,900 1/min: 7.3 m3/h
- Cooling1/heating2 capacity: 7 – 35 kW / 5 – 28 kW
1) based on evaporation temperature +10 °C, superheat 10K, high pressure 100 bar, gas cooler outlet +40 °C
2) related to evaporating temperature -20 °C, superheat 10K, high pressure 80 bar, gas cooler outlet +25 °C
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