Semi-hermetic refrigeration compressor 4MTL series
pistonreciprocatingCO2 (R744)

semi-hermetic refrigeration compressor
semi-hermetic refrigeration compressor
semi-hermetic refrigeration compressor
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piston, reciprocating
CO2 (R744)
Number of cylinders
Other characteristics
for industrial refrigeration, for commercial refrigeration
Refrigeration capacity

Min.: 8,800 W

Max.: 65,900 W


Min.: 5 ch
(5 hp)

Max.: 50 ch
(50 hp)


Min.: 13 A

Max.: 83 A

Oil charge

1.3 l, 1.5 l, 1.8 l, 2.8 l
(0.34 gal, 0.4 gal, 0.48 gal, 0.74 gal)

Sound level

Min.: 59 dB

Max.: 75 dB


Min.: 123 kg
(271 lb)

Max.: 276 kg
(608 lb)


Stream series of 4 cylinder CO2 compressors is the ideal solution for R744 booster systems. It is characterized by a design pressure of 135 bar. Refrigerant flow and heat transfer have been optimized for best performance. All compressors are equipped with Copeland™ compressor electronics and offer the possibility to diagnose system-related problems faster or even before they occur. Refrigerants compatibilities R-744 Nominal Voltages 400 V Frequency 50 Hz Applications Medium Temperature, Transcritical Features -Compact dimensions -Integrated low pressure relief valve -Discharge temperature protection -Service valve 360° rotation for ease of piping design -2 sight glasses for mounting of oil management control and visual inspection -One oil port for oil equalization in parallel system -Oil splasher system ensuring lubrication at constant and variable speed
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.