Electrically operated valve designer specifically for operations in CO2 systems.

Technical specifications:

  • Max working pressure (PS/MWP): 140 bar (2030 psi)
  • MOPD: 90 bat (1305 psi)
  • Refrigerant temperature range: –40°C to 60°C (–40°F to 140°F)
  • Ambient temperature: –40°C to 60°C (–40°F to 140°F)
  • Total stroke: 4.8 mm (0.2 in.)
  • Stepper motor type: Bi-polar - permanent magnet
  • Step mode: 2 phase full step


  • Designed specifically for operation in smaller transcritical CO2 systems with a capacity up to around 100 kW
  • A cost-effective alternative to the ICMTS high-pressure expansion valve for large refrigeration systems
  • Low weight and compact design
  • Easy to service; insert easily taken out by removing top part
  • The valve is capable of functioning either as an expansion valve, as a pressure regulator for the gas cooler or as a gas bypass valve with back- pressure regulation
  • Can be used in transcritical or subcritical applications
  • The design provides the possibility to optimize gas cooler pressure and intermediate receiver pressure independently


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