Sigrist Design range of high performance and smoke spill units offer a means of exhausting air where a roof mounted fan is required.
There are seven fan sizes available ranging from 600mm to 1500mm.
The cowl has a vertical discharge design.made of galvanised steel.
The base is manufactured of steel for for heavy duty applications and is hot dip galvanised after manufacture.
Motors are selected to suit elevated temperatures if required
The axial impellers are the injected moulded adjustable pitch aluminium type.

FAN DESCRIPTION
Sigrist fans offer aerofoil impellers of the highest quality, which range in diameter from 600 to 1500mm with
combinations of 2,6,8 and 12 blades in all sizes.

THE RANGE
The Sigrist VAST fans series is available in seven standard diameters from 600mm to 1500mm and depending on the model are fitted with single or three-phase motors in 4, 6 and 8pole.
Volume flow ranging from 500 to 15575 cum/hr

IMPELLER
Our impellers are the variable pitch type with smooth aerofoil shaped blades in aluminium,
The hub is manufactured from aluminium with "sure lock" taperlock bushing for easy removal and are available
with bore sizes ranging from 12mm to 55mm.

ELECTRIC MOTORS
The electric motors are designed and manufactured to meet the most arduous service conditions and are available in single or three phase ,4,6 and 8 pole ,standard rating of IP 55 as a minimum or any other higher rating on
request. For smoke spill applications a "H' class motor is fitted.