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VAV B 10/20/30 Series

Type: Rectangular / Round

Heavy Duty Models VAVH B – 10/20/30 For High Pressure Applications


Heavy duty type Bypass , Pressure Independent and Pressure Dependent VAVs’ are manufactured for high pressure applications


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 use as constant volume application,it can
    maintain a set flow requirement, compensating for
    fluctuations in system pressure.
  • Suitable for single duct variable volume control
  • Air volume capacity upto 2800 CFM
  • 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.
  • AHRI Certified

Standard Construction


1.2 mm thick galvanized sheet steel.


25 mm thick 32 kg/m³ density Acoustic liner.


0.9 mm thick aluminium extruded aerofoil multiple blades.

Flow grid

Flow grid multi point with 12 inlet holes in four concentric

Axle Shaft

12 mm diameter axle shaft made of galvanized steel.


12 mm diameter Brass bearings.

Neoprene Gasket.

Controls :

Modulating / On-Off.

Optional Fittings


Backnet DDC with suitable thermostat.

Sound Attenuator

VAV with additional length insulated casing for sound

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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