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Duct Fans

Nadi Technologies Pvt Ltd is part of the Nadi group of companies which has over 60 years of experience in fan technology and air movement products.

Circular duct fans used for air supply or extraction in ventilation and air conditioning systems. The fans are mounted into a system of round air ducts or on walls can be installed in any position. Impeller with backward curved blades, motor with external rotor, integral thermal contacts with automatic reset and maintenance free ball bearings. Casings are manufacured from galvanised steel and with powder coating for VKAS and VKA or pressed zinc for VKAP and folded which gives the fan a close to airtight casing.
Rectangular duct fans used for air supply or extraction in ventilation and air conditioning systems. The fansare mounted into a system of rectangular air ducts or on walls can be installed in any position. Compact with low noise level. Easy access door allows impeller to be cleaned or replaced without dismantling. Insulated with mineral wool of 50mm thickness. Impeller with forward curved blades of galvanised steel or plastic for VKS and VKSA with backward curved blades of galvanised steel or plastic for VKSB. Motor with external rotor with built in motor protection thermal contact and maintenance free ball bearings. Integral thermal contacts with automatic reset for some models.
Acoustically insulated duct fans for round ducts. Maintenence cover with fixed hinges is attached to the housing for easy access for maintenance and cleaning. Additional insulation of the fan box reduces noise level to suroundings. Impeller with forward curved blades made of galvanised steel. Motor with external rotor with built in motor protection thermalcontact and maintenence free ball bearings. Integral thermal contact with automatic reset for some models. AKU EKO fans use easy motors for high efficiency by allowing maximum speed variablity with low energy consumption. Casings are manufactured from galvanised steel with powder coating.
VKO and KUB duct fans used for air supply or extraction in ventilation or air conditioning systems.VKO fans are mounted into a system of rectangular air ducts and KUB fans are mounted into a system of round air ducts and are acoustically insulated. Impeller is mixed flow for VKO and backward curvedblades for KUB. Motor with external rotor with builtin motor protection thermal contact and maintenence free ball bearings. Casings are manufactured from galvanised steel with powder coating.
Roof fans with vertical discharge (VSV) and horizontal discharge (VSA) used to extract air from buildings. Impellers are protected against external objects thatcould cause mechanical damage and easy access formaintenence and cleaning is provided. Impeller with backward curved blades are made of galvanized steel. Motor with external rotor with built in motor protectionthermal contact and maintenence free ball bearings. Integral thermal contact with automatic reset for somemodels. Casings are manufactured from galvanised steel with powder coating.