CO2 - Frascold semi-hermetic reciprocating compressors
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CO2 Frascold semi-hermetic reciprocating compressors for CO2 subcritical and transcritical applications

SK2 SERIES The SK2 series of compressors for CO2 subcritical applications has been developed taking into consideration the most recent requirements coming from industrial refrigeration and from manufacturers of supermarket refrigeration systems. Thanks to high design pressures these compressors can be installed in the most common cascade and booster systems with standstill pressures up to 60bar. RSH Capacity Control Head Compressor Model Model designation Compressor Family Series A-D-Q-S Motor Size 0,7 to 20 HP Displacement 1,6 to 34 m3/h at 50 Hz Application CO2 Subcritical Standard extent...

Main features • • • • • • • Maximum condensing temperature: 15°C (55bar). Maximum allowable standstill pressure pss= 30bar; models with pss= 60bar are available upon request. Suitable for operation with variable frequency drive. The whole range is supplied with POE 85 oil. The whole range is supplied with Kriwan protection module INT69® Diagnose Discharge temperature sensor available for Q and S models upon request. RSH capacity control head available for D and Q series. Cascade systems (R134a / R407F / HFO in combination with CO2). Booster systems. Operating limits Evaporating temperature...

TK SERIES The TK series of compressors for CO2 transcritical applications has been developed to meet the latest needs of refrigeration and heating technologies. These compressors are suitable for use in CO2 transcritical applications single-stage and booster (in combination with SK2 compressors series). Compressor model TK Models optimised for refrigeration applications (Motor 2). Models also suitable for heat pumps (Motor 1). Model designation Compressor Family Series Q-S Motor Size 5 ÷ 30 HP Displacement 4 ÷ 26 m3/h at 50 Hz Application CO2 Transcritical Standard extent of delivery TK...

Main features • • • • • • • • • 11 models optimised for refrigeration applications. 8 models also suitable for heat pumps as well as refrigeration applications. Maximum allowable pressures: discharge side ps= 140bar, suction side ps= 80bar. Suitable for operation with variable frequency drive. Model optimised for refrigeration applications are supplied with POE 85 oil; model optimised for heat pumps are supplied with PAG 68 oil. The whole range is supplied with Kriwan protection module INT69® Diagnose. Discharge temperature sensor is supplied with all compressors. Water cooled head...

CALORIMETRIC PLANT FOR SUBCRITICAL AND TRANSCRITICAL COMPRESSOR TESTING Among the several calorimetric plants which make up Frascold laboratories one is dedicated to test the performance of C02 compressors for both subcritical and transcritical applications; this plant has been completely redesigned in order to be suitable to test a wider range of cooling capacities according to the most recent requirements coming from the refrigeration industry. The refrigerant circuit of the calorimetric plant has been enlarged and based on a cascade system. An internal economiser on the bottom stage...

FRASCOLD SELECTION SOFTWARE – CARBON DIOXIDE A completely new selection software dedicated to carbon dioxide cycles has been designed and developed by Frascold technical department with the utmost attention to support all customers on defining and selecting, for several different kind of CO2 cycles, Frascold CO2 subcritical and transcritical models, as well as checking cycles performance. Starting the selection, the following CO2 cycles are available: • • • • • • • Basic cycle without flash-gas. Flash-gas by-pass cycle with one medium temperature level. Flash-gas by-pass cycle with two...

A company with more than 75 years of experience manufacturing compressors for refrigeration and air conditioning industries. The wide experience gained over the years provides cutting-edge products and solutions, in line with the latest demands of the market. Our product range has available a wide range of options to meet the specific application and market needs worldwide, always paying attention to the energy efficiency and in full respect of the environment. All quality and construction directives indicated by the relevant authorities are strictly followed. FRASCOLD SpA Via B. Melzi 105...