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Helios Ventilation Systems Ltd
5 Crown Gate
Wyncolls Road
COLCHESTER
ESSEX
CO 4 4HT
tel: 01206 228500
fax: 01206 228501
www.heliosfans.co.uk/
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Centrifugal Vertical Discharge


Catalogue NoDescriptionSizeFinish
VDD200/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1465RPM 750m3/hr 200mmAluminium
VDD225/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1450RPM 1025m3/hr 225mmAluminium
VDD250/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1390RPM 1440m3/hr 250mmAluminium
VDD315/4 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1385RPM 2880m3/hr 315mmAluminium/Polymer
VDD315/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1380RPM 2930m3/hr 315mmAluminium
VDD315/4T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1445RPM 2855m3/hr 315mmAluminium
VDD355/4 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1349RPM 4290m3/hr 355mmAluminium/Polymer
VDD355/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1360RPM 3880m3/hr 355mmAluminium
VDD355/4T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1420RPM 4315m3/hr 355mmAluminium
VDD400/4 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1375RPM 5590m3/hr 400mmAluminium/Polymer
VDD400/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1375RPM 5350m3/hr 400mmAluminium
VDD400/4T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1350RPM 6050m3/hr 400mmAluminium
VDD400/6 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 905RPM 3780m3/hr 400mmAluminium/Polymer
VDD400/6EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 935RPM 3865m3/hr 400mmAluminium
VDD400/6T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 930RPM 4170m3/hr 400mmAluminium
VDD450/4 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1400RPM 7900m3/hr 450mmAluminium/Polymer
VDD450/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1400RPM 7700m3/hr 450mmAluminium
VDD450/4T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1390RPM 8600m3/hr 450mmAluminium
VDD450/6 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 905RPM 5200m3/hr 450mmAluminium/Polymer
VDD450/6EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 860RPM 5230m3/hr 450mmAluminium
VDD450/6T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 900RPM 5570m3/hr 450mmAluminium
VDD500/4 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1340RPM 10550m3/hr 500mmAluminium/Polymer
VDD500/4EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 1420RPM 11400m3/hr 500mmAluminium
VDD500/6 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 885RPM 7250m3/hr 500mmAluminium/Polymer
VDD500/6EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 810RPM 6900m3/hr 500mmAluminium
VDD500/6T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 910RPM 8250m3/hr 500mmAluminium
VDD560/4 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1385RPM 14100m3/hr 560mmAluminium
VDD560/4T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 1460RPM 18830m3/hr 560mmAluminium
VDD560/6 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 920RPM 9250m3/hr 560mmAluminium
VDD560/6EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 850RPM 10000m3/hr 560mmAluminium
VDD560/6T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 930RPM 12000m3/hr 560mmAluminium
VDD630/6 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 875RPM 15050m3/hr 630mmAluminium
VDD630/6EX Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller Exp/Prf 400V 945RPM 14100m3/hr 630mmAluminium
VDD630/6T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 980RPM 16600m3/hr 630mmAluminium
VDD710/6 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 975RPM 24900m3/hr 710mmAluminium
VDD710/6T120 Fan, Centrifugal Roof Mixed-Flow 3 Phase, Backward Curved Impeller 400V 965RPM 24000m3/hr 710mmAluminium
VDRW180/2A Fan, Centrifugal Roof 1 Phase IP44, Backward Curved Impeller 230V 1700RPM 290m3/hr 180mmGalvanised Sheet Steel/Polymer
VDRW180/2C Fan, Centrifugal Roof 1 Phase IP44, Backward Curved Impeller 230V 2500RPM 470m3/hr 180mmGalvanised Sheet Steel/Polymer
VDRW200/2B Fan, Centrifugal Roof 1 Phase IP44, Backward Curved Impeller 230V 2600RPM 770m3/hr 200mmGalvanised Sheet Steel/Polymer
VDRW200/2D Fan, Centrifugal Roof 1 Phase IP44, Backward Curved Impeller 230V 2500RPM 990m3/hr 200mmGalvanised Sheet Steel/Polymer
VDW180/2 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 2330RPM 540m3/hr 180mmAluminium/Polymer
VDW200/2 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 2430RPM 1000m3/hr 200mmAluminium/Sheet Steel
VDW200/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1375RPM 535m3/hr 200mmAluminium/Sheet Steel
VDW225/2 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 2635RPM 1295m3/hr 225mmAluminium/Sheet Steel
VDW225/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1340RPM 640m3/hr 225mmAluminium/Sheet Steel
VDW250/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1340RPM 900m3/hr 250mmAluminium/Sheet Steel
VDW315/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1385RPM 2860m3/hr 315mmAluminium/Sheet Steel
VDW355/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1396RPM 4300m3/hr 355mmAluminium/Polymer
VDW400/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1405RPM 5830m3/hr 400mmAluminium/Polymer
VDW450/4 Fan, Centrifugal Roof Mixed-Flow 1 Phase, Backward Curved Impeller 230V 1385RPM 7750m3/hr 450mmAluminium/Polymer