• Athanasiou Diakou 5, Pallini, Greece.


Hermetically sealed 2-port valves for modulating control of chillers and heat pumps.

  • Expansion, hot-gas and suction throttle applications with one type of valve
  • PS45, stainless steel with soldering connections
  • Integrated power electronic with precise position feedback signal
  • For safety refrigerants such as R22, R134a, R404A, R407C, R410A, R507, and R744 (CO2). Not suitable for inflammable refrigerants.


With internally threaded pressure connection UNF7/16-20.

  • For use with all media, including ammonia.


3-port seat valves PN16 with externally threaded connections.

  • With threaded connections to ISO 228/1.
  • For chilled water or low-temperature hot water in closed circuits.


Overload-proof through travel-dependent, electronic switching off in end position. With die-cast aluminium housing and yoke for valves with 20 mm stroke. Optional function with one auxiliary switch. With manual control.

  • SKD..U, SKD..UA are UL listed. Control devices MK..5.. are control devices with safety shut-off function per DIN EN 14597.