Solenoid Expansion Valves 2028EX series

By Castel, published Jun 22, 2018

  • Solenoid expansion valves for hydrocarbons
  • ATEX certification for use in EX Zone 2


The Solenoid Expansion Valve 2028EX from Castel is designed for the use with R290, R600 and R600a. It comes with the ATEX coil already assembled and complies with the European Directive 2014/34 / EU.  

Basic specifications

  • Available in sizes 3/8” – 1/2” and 1/2” - 5/8”  
  • Supplied complete with interchangeable orifice that can be chosen in several different sizes
  • Sold with coil series 9100EX 
  • Maximum pressure 45 bar


  • Can be employed in refrigeration systems in EX Zone 2 
  • Orifices can be changed after valve is soldered to the system


Refrigeration systems with the hydrocarbons R290, R600, R600a


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