GHB

Application

Industrial fan designed for conveying clean or slightly contaminated, chemically neutral air. Typical applications:

• air conveying in technological processes,
• cooling systems,
• air drying systems.

Construction

• medium-pressure centrifugal fan with direct drive,
• steel impeller with backward-curved blades, dynamically balanced according to ISO 1940-1,
• rectangular housing made of steel sheet,
• fan painted blue RAL 5010 (corrosion category C3),
• maximum temperature of conveyed medium: 80°C,
• ambient temperature for the motor: from -20°C to 40°C,
• depending on motor power, fans are available in standard configurations LG90 and LG270 (see
• technical data table).

Electric Motor

• asynchronous, three-phase, 230/400V 50Hz or 400/690V 50Hz,
• efficiency class IE3 (up to 55kW) and IE4 (from 75kW),
• protection class IP55,
• insulation class F,
• motor adapted for frequency control.

Special Versions

• any LG/RD configuration,
• painting in a color other than standard and in a higher corrosion category,
• construction made of galvanized steel sheet, stainless steel 1.4301, acid-resistant steel 1.4404,
• motor with non-standard voltage and frequency, different IP protection class, equipped with
• sensors or additional cooling, higher efficiency class,
• sealing between housing and motor,
• HT version - maximum temperature of conveyed medium higher than standard,
• ambient temperature for the motor below -20°C and above 40°C,
• belt drive, coupling,
• explosion-proof version ATEX.