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Home / Swirl diffusers / Circular swirl diffuser VSR

Circular swirl diffuser VSR

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

Description


VSR is a swirl air diffuser with radially adjustable blades.
The diffuser is recommended for installations with constant or variable air flow and is intended for spaces with heights between 4 and 10m. It is used for introduction of air.

The design of the blades, their radial arrangement and the swirl action determine a high level of induction rate.

The diffuser is equipped with a perforated plate positioned on the diffuser connection.

VSR is available in 3 configurations:

       VSR – manual operation

       VSR-S – electric operation via servomotor

       VSR-T – thermal operation (thermal element)

The VSR-S is equipped with a Belimo servomotor. The servomotor is selected according to the diffuser size, supply voltage, safety function and other technical specifications mentioned in the project.

Dimensional range:  Ø250, Ø315, Ø400, Ø500, Ø630.


Technical drawing

VSR
 
VSR-S

VSR-T


Product specifications




1- VSR diffuser
2- Plenum box (optional)


Note: The values in the table are given for blades tilted at 45 ° and for a temperature difference of 5 degrees.

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

The diffuser can be delivered with a connecting plenum to the 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.
The plenum is delivered insulated or uninsulated.

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 is mounted in a continuous ceiling or suspended. Fastening is done with screws.

Installation in continuous ceiling



Suspended in the ceiling

Documentation

  • Circular swirl diffuser VSR - Technical Data Sheet

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