OKA supply air diffuser

The round design and perforation of OKA supply air diffuser create a traditional feeling in the room where it is installed. OKA combines excellent sound and air properties and ensures a silent and draught-free air distribution in the room.

Air flow range

5-50 dm³/s, 18-180 m³/h

Duct sizes

Ø100-200, Ø100P-125P

Installation

For wall installation

Installation method

Surface mounting

Description

The clean-lined design blends excellently in with other ceiling-installed fixtures in the room. OKA is a ceiling diffuser with excellent air and sound properties combining a wide throw pattern and high mixing ratio. In addition, reliable measurement and fast, accurate adjustment are properties of the supply air diffuser OKA. There is also an own model, OKA-S, suitable for low airflows, such as saunas and wardrobes.

Properties:

  • Silent, draught-free air distribution in the room
  • Reliable, accurate adjustment
  • With static pressure measurement connection

Quick selection guide

Dimensions

Main dimensions

Selection diagram

Graphs are not intended for adjustment.

OKA-100 ja OKA-100P

OKA-125 ja OKA-125P

OKA-160

OKA-200

Sound attenuation

Sound level will increase if cover distance is below 3x Ød:

  • after bend +5 dB (A)
  • after T joint  +8 dB (A)

Airborne sound insulation

Sound attenuation for air ducts  between rooms Dn,e,wdB

Supply air

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