CDD

The CDR and CDD consist of two parts: a flat upper section with a connection spigot having a rubber sealing ring, and a removable diffuser face. Between the upper section and the diffuser face there is a slot which has two alternative positions. The diffuser face of the CDR is non-perforated that of the CDD is perforated. Both CDD and CDR are equipped with AcousticInsulation.

The upper section is manufactured in galvanized sheet steel. The diffuser face is made of sheet steel. The complete diffuser is painted both internally and externally.

• Standard colour:
  • RAL 9003, signal white, gloss 40
• Alternative standard colours:
  • RAL 9006, white aluminium, gloss 80
  • RAL 9007, grey aluminium, gloss 80
  • RAL 9010, pure white, gloss 40
  • RAL 9005, jet black, gloss 35
  • RAL 7037, dusty grey, gloss 30
• Non-painted finish and other colours available on request.