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VAV B 40 Series

Induction Type

Type: Rectangular / Round

Construction: Galvanized Steel (GI) / Stainless Steel

Application: Light & Medium Duty


Induction VAV Model GB-41 is pressure-independent VAV where air volume control terminals are designed particularly for systems with high variations in heat load. The terminals induce room air and mix it with conditioned primary air, maintaining a nearly constant air volume to the room thus providing sufficient air movement necessary to maintain occupant comfort even in extreme load variations ensuring cold air ‘dumping’ will not occur and comfort zone will be maintained under extremely low primary air temperatures, without producing excessive differences between the supply and the room air temperature.


Technical Features:

  • Volume control range from 100 to 10% is possible to the
    conditioned zone.
  • Accurate airflow sensing with 2 X 12 points averaging.
  • Low Leakage i.e. less than 2% of V nominal at 750 Pa.
  • Designed to produce low NC levels with minimal
    pressure drop to the system.
  • Suitable for low temperature primary systems.
  • Air volume capacity upto 2800 CFM
  • Suitable for use as constant volume application
  • Electronics control factory supply & mounted.
    Variety of control options available, based on
  • Electronic thermostat & actuator provide accurate
    mounting control.
  • Metal encapsulated edges limit fiberglass insulation
    erosion into the airstream.
  • Single-point power connection reduces installed cost.
  • Maintenance free.

Standard Construction


0.9 mm thick galvanized sheet steel.


13 mm thick 32 kg/m³ density Acoustic liner.


0.9 mm thick galvanized sheet steel.

Flow grid

Flow grid multi point with 12 inlet holes in four concentric

Axle Shaft

12 mm diameter damper shaft made of galvanized steel.


12 mm diameter Brass bearings.


Neoprene Gasket.

Controls :


Optional Fittings


Backnet DDC with suitable thermostat.

Duct Heater

Slip-in type electric duct heater (230V AC 1 Phase or
400V AC 3 Phase)

Double skin

Insulated internal walls surface with Galvanized perforated
sheet used for low noise applications to minimise breakout

Neck connections

Round inlet with round outlet and square inlet with square


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