Jupiter Hvac Equipments

Drum jet diffuser


Highly adjustable and capable of handling large air volumes – Perfect for large open plan areas. 


With a bank of individually adjustable blades for horizontal adjustment of airflow, held within a rotating drum enabling vertical adjustment, drum jet diffusers are one of the most adjustable series of diffuser available. 

The very high free area means large air volumes can be discharged, with minimal noise generation or pressure drop. 

Drum jet diffusers are available in the following series:

  • DJPPremium range – Manufactured to order (A wider range of options than DJS with a more robust construction)
  • DJS: Stock range – Available ex stock

Options include rear-mounted opposed blade dampers for airflow balancing and polyester powder coating to any RAL/BS colour.

Jupiterhvac hold large quantities of popular sizes of our stock range of drum jets, giving us the ability to supply even the largest orders on a next day basis, otherwise, units are manufactured in house to your requirements, with our industry beating lead times.

Drum Jet Diffusers Specifications

Design, construction and finish:
Recommended use: