Subcategories

  • Fans and exhausters

    Fans and exhausters

     
    Centrifugal fans and exhausters
    Technical data
    Application: clean air, dusty air, hot air.
    Temperature up to +300С.
    Capacity up to 95 000 m3/h (bigger capacity on request).
    • Fans application in industrial plants of conditioning, ventilation, heating and filtering.
    • Volute casing in steel sheet, protected against atmospheric agents by epoxy paint.
    • Single inlet backward curved wheel with high efficiency, manufactured in steel sheet and epoxy painted.
     
    Anticorrosive fans
    Technical data
    Application: clean air, dusty air, hot air.
    Temperature up to +80С.
    Capacity up to 2200 m3/h.
    • The fan is particularly designed for conveying smoke and corrosive vapours and smokes, also with high humidity level.
    • Volute in polyethylene (PE) or stainless steel AISI304.
    • Single inlet impeller, in Polypropylene (PP), with backward curved blades and aluminium hub. Or impeller made of stainless steel AISI304.
     
    Duct axial fans
    Technical data
    Application: clean air, dusty air, conveying hot smoke, fumes and vapours, fluids with high humidity and/or saturated by grease, oil or particles.
    Temperature from -20С up to +200С.
    Capacity up to 48 000 m3/h.
    • Volute casing in steel sheet, stainless steel AISI 304.
    • Impeller with aerofoil profile blades in glass reinforce polyamide and die-cast aluminium hub, cast aluminium.
     
    ATEX fans and exhausters
    Also company Gandras supply centrifugal fans and exhauster, anticorrosive fans, duct axial fans according ATEX Ex-d IIB / IIC.
  • Diverter damper and air valves

    Diverter damper and air valves

          
     
    3-way diverter dampers
    3 way damper with one inlet and 2 outlets. Diverter can control, distribute or isolate gas flow.

    Available with pneumatic, electric or manual actuator.

    Depending on the sealing system, varying levels of tightness can be obtained (up to 99,9%)

    Suitable for low pressure combustion gases at temperatures up to 750ºC.

    Connection can be round, square, rectangular.

    Size up to DN2500 other size possible on request.

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    Air valves
    The following valves are available:
    • Regulating or isolating butterfly damper. Normally with one single disc on a central shaft and optionally with multiple interconnected blades.
    • Circular or rectangular guillotine damper with shut-off system by means of a sliding gate.

    Available with pneumatic, electric or manual actuator.

    Depending on the sealing system, varying levels of tightness can be obtained (up to 99,9%)

    Suitable for low pressure combustion gases at temperatures up to 750ºC.

    Size up to DN2500.

     
    Louvre dampers
    Rectangular, round, square regulating or isolating damper. Options include a single louvre on a central shaft or multiple interconnected louvres.

    Available with pneumatic, electric or manual actuator.

    Depending on the sealing system, varying levels of tightness can be obtained (up to 99,9%).

    Suitable for low pressure combustion gases at temperatures up to 900С.

    Size up to DN2500.