• Electrically operated valve for operation in CO2 systems
• Working pressure of up to 90



Danfoss has developed the CCM, an electrically operated valve designed specifically for operation in CO2 systems. The CCM valve can be used in a variety of applications within CO2 refrigeration systems. Typically it is used as a gas bypass valve in a transcritical CO2 booster system or as an expansion valve.

Technical Specifications

  • Compatibility: R744
  • MOPD: 50 bar (725 psi)
  • Max. working pressure (PS/MWP): 90 bar (1305 psi)
  • Refrigerant temperature range: –40°C to 40°C (–40°F to 104°F)
  • Ambient temperature: –40°C to 60°C (–40°F to 140°F)
  • Up to 90 bar working pressure to accommodate CO2 system pressures during standstill conditions
  • Precise positioning for optimal control of intermediate pressures in transcritical CO2 systems or liquid injection in heat exchangers
  • Possibility of bi-flow operation
  • Combined stainless steel butt weld/solder connections for installation in copper piped systems (K65 alloy or standard) as well as steel piped systems
  • Standard M12 connector for simple and flexible connection to the motor driver
  • For manual operation and service of the CCM an AST-g service driver is available


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