High Volume HV Roof Ventilation Fans
The Hydor HV Belt Drive fan unit is specifically designed to ventilate larger buildings such as crop stores where substantial amounts of air are moved at low pressure with minimal energy consumption. The HV range is available in four sizes 800mm, 1000mm, 1250mm and 2000mm diameter, each with single or three phase motors and the option of louvres and guards. This powerful fan produces air volumes up to 20.0 m³/s. Constructed from galvanised steel with a specially designed stainless steel impeller, these fans are extremely hard wearing and robust in application. The drive mechanism includes sealed for life maintenance free ball bearings, which means low noise and vibration levels. The HV Range incorporates a centrifugal operated back draught shutter. Units are supplied fully assembled complete with standard safety guards.
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Features and Benefits
- A crossed steel framework with the fan hub positioned centrally.
- Fan blades and pulley are located on opposite sides, improving load balancing, thereby increasing bearing and fan life.
- The belt is from reinforced rubber which is easily replaced locally.
- Belt tensioning can be undertaken without removing the guards by using two bolts on the fan casing.
- Easy access to the motor for servicing and maintenance.
- The impeller comprises of six self-cleaning blades constructed from 304 stainless steel.
- The aerodynamic blade design ensures volume displacement at low blade pressure.
- Fan housing is manufactured from galvanised sheet steel, corrosion resistant for durability and longevity.
- Each fan is fitted with a mesh safety guard either side of the unit.
- The heavy duty construction of the louvres prevents the overlapping slats from vibrating at high air flow.
- When not in operation, heat loss is reduced by the louvres closing automatically.
- Air normally lost due to dirty shutters or to shutters held open is eliminated.
- The louvres are opened by a centrifugal mechanism; which means that once opened, the louvres do not sap the performance of the fan.
- Component spares available from stock.
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