Filter Drier DQA/DZA Series

DQA/DZA series filter driers are usually used in liquid line of refrigeration system to protect from moisture, acids, and foreign solid particles. The DQA series have a core of 100% molecular sieve, while DZA series have a core of 80% molecular sieve and 20% activated alumina.


  • Supplied with fixed superheat setting and adjustable straightway version for setting identification;
  • Available with filter in the inlet tube;
  • Versions with and without external equalization, with and without bleed;
  • Available with universal charge, range N or with MOP charge( MOP15°C, MOP20°C)

Technical Data

  • Applicable Refrigerants: R134a, R404A, R507, R290, and R407C
  • Max. Bulb Temperature: 120°C
  • Max. Valve Housing Temperature: 150°C
  • Max. Operating Pressure: 3.4 Mpa
  • Max. Test Pressure: 3.75 Mpa
  • Equalization Connections: 6mm (1/4 in.) (solder ODF)
  • Capillary Tube Length: 0.75m (30 in.)
  • Bleed: 15% / 30%