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Air Distribution / Industrial Displacement Diffusers

Circular displacement diffuser VA-ZD

Suitable for rooms where the supply air is discharged at points either at approx. 3 m height or directly above the floor.


  • Low-turbulence displacement flow
  • Placement at approx. 3 m height or on the floor, free standing in room or in front of a pillar or wall
  • Radial discharge direction
  • Stepless adjustment of discharge direction from approximately horizontal to vertical downflow
  • Adjustment by hand, servomotor or automatic thermal control unit
  • Well suited for cooling and heating
  • Connection to duct to DIN 24145


Volume flow rate range:

≤ 2 800 l/s [10 000 m³/h]

Nominal sizes:

DN 250 - DN 630

Primary penetration depth:

up to 14 m

Maximum supply air penetration depth:

up to 20 m

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