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DFRE-P • Square swirl diffusers

  • Swirl diffusers
  • Steel
  • White, RAL 9010
  • Manually adjustable blades

    • Step swirl diffusers comprise a circular or square plate with fixed blades
    • The unit generates an individual microclimate, providing the neccessary

      ventilation required per person. Due to the extremely short distance from the diffuser to the legs of the seated person, it is recommended to work with a maximum air temperature difference (supply-ambient) of ± 6ºC to achieve optimum comfort conditions

Application

  • For ventilation systems in theatres, cinemas, auditoria

Material

  • Steel

Colour

  • Black, RAL 9005

Composition

  • Perforated conical cylinder, with support for a chair, diffuser with fins adjustable in height and collar for fixing to the floor
  • Black finish, RAL 9005

Mounting

  • Suitable for intallation in steps risers or under seats

Text for tender

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  • The air supply diffusers are of the swirl type with fixed blades. They are made of steel with white finish RAL 9005
  • ATC Type DFRE-P

Order example

  • DFRE-P, 150

 

Explanation:

DFRE-P = Diffuser type

125 = Diffuser diameter

Technical data

Qv

Lw

Ps

Vk

[m3/h]

[dB(A)][Pa][m/s]
1255020100.15
6526160.17
8032260.23
1609020120.17
11026180.21
14032290.29

Notes

  • Ps = Static pressure loss in Pa
  • Lw = Acoustic pressure incl. 5dB of room attenuation in dB(A)
  • Qv = Air Volume in m³/h
  • Vk = Effective air verlocity between the grille in m/s

Dimensions

ABCD
[mm][mm][mm][mm]
125150165200124
160182/180200240159

Notes

  • Vx = Velocity at a distance of 7.5 m from the diffuser
  • h1 = Distance of 0.1 m above the ground
  • Δt = -6°C
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