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UL-HGX24e
Certified by Underwriters Laboratories
Certified by Underwriters Laboratories The U.S. company Underwriters
Laboratories Inc. (UL) is a nationally recognized test laboratory by the U.S.
federal agency OSHA (Occupational Safety and Health Administration) that tests
products and components for safety in accordance with the relevant standards.
The awarding of a UL test mark is generally necessary for the North American
market in order to be able to market and use technical products such as
compressors. UL-HG CO2 and UL-HG CO2 LT compressors,
subcritical
The compressors are used in both cascade and booster UL-CO2 systems in
applications for supermarkets, commercial and industrial cooling systems.
UL-HG CO2
- Gas-cooled, semi-hermetic reciprocating compressors
- Subcritical UL-CO2 operating conditions (deep freezing)
- Operating pressures of up to 51 bar (tc = 15 °C)
- Conceived for subcritical UL-CO2 systems:
Standstill pressures
LP 40 bar (UL-HGX44e CO2: 30 bar) / HP 55 bar
- High efficiency in deep freeze applications (to < -15 °C)
UL-HG CO2 LT
- Gas-cooled, semi-hermetic reciprocating compressors
- Subcritical UL-CO2 operating conditions (deep freezing)
- Operating pressures of up to 64 bar (tc = 25 °C)
- Two motor version (ML and S) for wide frequency range and operation on
higher condensing temperatures
- Conceived for subcritical UL-CO2 systems with high stand still pressures:
Standstill pressures LP 100 bar / HP 100 bar
- High efficiency in deep freeze applications (to < 0 °C)
Special features
- High compressor efficiency for lowest operating costs
- Long-life compressor design
- Broad limits of application and large frequency range for a wide variety
of uses
- Reliable and safe oil supply through pump lubrication
- Good operating characteristics with low vibration, pulsations, and low
operating noise
- Pressure relief valves for the suction and pressure area
Important information
- Bock has been involved with CO2 compressor technology since 1993
- CO2 applications require new system technology and control
- CO2 applications are not a general solution for substituting F-gases
- The notes on handling CO2 compressors in the installation instructions
must be followed
- All information is based on current knowledge and may change at any time
due to further development of the technology
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