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Home / Jet diffusers / Jet diffuser JD
difuzor circular jet JD

Jet diffuser JD

  • Description
  • Tehnical specifications
  • Functional Parameters
  • Accesories
  • Installation

Description


JD is an adjustable nozzle jet diffuser that allows air to be introduced at a long jet length.
Suitable for heating or cooling in spaces with long distances between the diffuser and the occupied area, concert halls, museums, etc.
JD can be mounted on a wall, ceiling or duct.
The diffuser is recommended in various ventilation applications for the introduction of air.
The diffuser allows the supply air with a long throw distance.
The diffuser consists of a spherical nozzle, a circular connection and a decorative ring.
The constructive form and design of the product offer an unlimited number of air jet direction settings.
The spherical nozzle can be adjusted manually which allows the air jet to be directed to the desired area.
The decorative ring masks the fastening/fixing mode.


Technical drawing


Directing the air jet




The legend
Ak [m²] - The free surface
Veff [m/s] - Air velocity in the diffuser
NR [dB (A)] - Noise level without room attenuation
X [m] - The length of the air jet at a speed of 0.5 m/s
∆Pt [Pa] - Pressure loss

For more sizes see the Technical Data Sheet (bottom of the page).
 

The diffuser can be supplied with a plenum connecting to a circular duct with horizontal connection.
The plenum is provided with suspension elements (lugs) and bead roll on the spigot, for easy fixing of the flexible duct.

Adapter (plenum box)

The adapter is made of galvanized steel sheet Z140 and is equipped with 4 lugs for suspension.

On request, the plenum can be insulated inside with 6 mm thick elastomeric rubber.

 

The diffuser can be mounted on a wall, ceiling or duct. Fastening is done with screws.

Ceiling/wall installation

Circular duct installation

Rectangular duct installation with circular connection
 

Documentation

  • Jet diffuser JD - Technical Data Sheet

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