Filter Driers

The 44 polyhedra filter driers from Castel have replaceable solid cores and are designed for hydrocarbon systems with a maximum operating pressure of up to 50bar.



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Basic specifications for Castel hermetic filter driers

  • Connections from 5/8” to 2.1/8” ODS
  • Maximum pressure work 50bars
  • Minimum/ maximum temperature -40°C/ 80°C
  • Filter Driers for refrigerant HC (R290, R600, R600a and R1270) – belonging to Groups 1 and 2 (as defined in Article 13, Chapter 1, Point (a), (b) of Directive 2014/68/EU, with reference to EC Regulation No. 1272/2008)
  • UL Listed Approval


  • Large ring area between the cartridge and the inner surface of the filter allows for the accumulation of solid particles and prevents clogging
  • Steel Connections
  • Cartridges 100% m.s. or 80% m.s. + 20% activated alumina


Commercial refrigeration


UL Listed Approval


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