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VHD Circular VAV diffuser for draught free installation

Exposed circular active diffuser for variable airflows, which works in constant pressure duct system.

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  • Installation for suspended ceiling
  • Stable throw length with variable supply airflow rates
  • Wide supply air temperature range
  • Suitable for systems with constant static pressure ductwork system
  • Designed for use with Halton TRI/V plenum
  • Maximum flow rate adjustment and measurement section available for supply (MSM)
  • Minimum airflow between10…15 l/s for sizes 160…250
  • airflow control with actuator, 24 VAC, signal 0-10V



  • ·Balancing plenum Halton TRI/V with connection cable