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Backward Inclined Centrifugal Fans in Kolkata

Backward Inclined Centrifugal Fans Manufacturers in India
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Backward Inclined
180 mm - 1120 mm Dia
Range
700 to 60000 cfm
MOC
GPSP/SS304/SS316

Efficient Airflow for HVAC and Industrial Ventilation

Backward inclined centrifugal fans are designed to move air efficiently in systems where reliable airflow, pressure performance, and resistance to airborne particles are essential. Their blades curve backward relative to the direction of rotation, helping the fan deliver efficient airflow for demanding HVAC and industrial applications. The available range includes different sizes and configurations to suit project requirements.

For projects requiring Backward Inclined Centrifugal Fans Suppliers in Kolkata, the proper fan selection depends on airflow volume, static pressure, installation arrangement, and the nature of the application. These fans are normally used in air handling units, ducted supply and exhaust systems, and industrial process ventilation across industrial and commercial facilities.

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DIDW

FABI F Series

FABI F Series

FABI P Series

FABI P Series

FABI Q Series

FABI Q Series


SISW

FABISB Series

FABISB Series

FABISD Series

FABISD Series

Plug Fan



FABISB Series

Backward Inclined Centrifugal Fan Range

The fans are available with diameters from 180 mm to 1120 mm and an airflow range of 700 to 60,000 CFM. The material of construction options listed on the product page include GPSP, SS304, and SS316. This allows the system to be selected according to the operating environment and project requirements.

For clients looking for Backward Inclined Centrifugal Fan Manufacturer in Kolkata, different fan configurations can be considered according to the required airflow and pressure conditions. The product range includes DIDW, SISW, and plug fan configurations.

Available Fan Configurations

DIDW Fans

The DIDW range includes FABI F, FABI P, and FABI Q series. These configurations are designed for applications where reliable air movement and suitable pressure performance are required. The suitable configuration may be selected according to the requirements of the HVAC or industrial ventilation system.

SISW Fans

The SISW range includes FABISB and FABISD series. These fans offer another configuration option for ventilation systems where the installation arrangement and airflow requirements call for a single-inlet centrifugal fan design.

Plug Fans

Plug fan configurations can be incorporated into suitable air-handling and ventilation equipment. Their selection depends on the specified airflow, static pressure, available installation area, and system design.

Key Features

Backward inclined centrifugal fans provide several useful characteristics for commercial and industrial ventilation systems:

  • Backward-curved blade design
  • Efficient airflow performance
  • Better resistance to dust and airborne debris
  • Airflow range from 700 to 60,000 CFM
  • Fan diameters from 180 mm to 1120 mm
  • GPSP, SS304, and SS316 material options
  • DIDW, SISW, and plug fan configurations
  • Suitable for HVAC and industrial ventilation
  • Available in different sizes for project-specific requirements
  • Selection based on airflow, static pressure, and site conditions

The backward blade arrangement is especially useful in environments where airborne dust and debris may be present. The product page describes the fans as appropriate for high-pressure airflow applications and industrial ventilation systems.

Technical Specifications

Fan TypeBackward Inclined Centrifugal Fan
Diameter Range180 mm – 1120 mm
Airflow Range700 – 60,000 CFM
Material of ConstructionGPSP / SS304 / SS316
ConfigurationsDIDW / SISW / Plug Fan
DIDW SeriesFABI F / FABI P / FABI Q
SISW SeriesFABISB / FABISD
Blade DesignBackward inclined
Main ApplicationsHVAC, AHUs, ducted supply/exhaust, industrial ventilation

These specifications are based on the current Kolkata product page.

Applications in Kolkata

Kolkata has a large mix of commercial, industrial, healthcare, and infrastructure projects. Engineering, jute, food processing, and chemical industries are important parts of the regional industrial base, while hospitals, malls, and high-rise buildings require reliable HVAC and ventilation systems.

Typical applications include:

  • Air Handling Units (AHUs)
  • Ducted supply systems
  • Ducted exhaust systems
  • Industrial process ventilation
  • Commercial HVAC systems
  • Factory ventilation
  • Healthcare ventilation
  • Large industrial buildings
  • Industrial facilities
  • Ventilation projects requiring higher-pressure airflow

For Industrial Backward Inclined Centrifugal Fan Manufacturer in Kolkata requirements, fan selection should be based on actual system conditions instead of simply selecting a fan by diameter. Airflow, static pressure, installation arrangement, and operating environment must all be considered.

Benefits of Backward Inclined Centrifugal Fans

Efficient Air Movement

The backward-curved blade design supports efficient movement of air and makes these fans suitable for systems where consistent airflow is required.

Resistance to Airborne Particles

The design offers better resistance to dust and debris in the air, making the fans suitable for various industrial ventilation environments.

Multiple Configurations

DIDW, SISW, and plug fan options offer flexibility when designing ventilation and air-handling systems.

Different Material Options

GPSP, SS304, and SS316 construction options allow selection based on the project's environmental and material requirements.

Wide Airflow Range

With airflow capacities from 700 to 60,000 CFM, the range can support both smaller and larger ventilation requirements.

How to Choose the Right Fan

Selecting the correct centrifugal fan requires more than checking the fan size. First, determine the specified airflow in CFM and the static pressure needed by the system. Next, consider whether the application is an AHU, ducted supply system, exhaust system, or industrial process ventilation.

The operating environment must also be reviewed. Dust levels, moisture, temperature, installation space, material requirements, and maintenance access can affect the final configuration. For Kolkata projects, local site conditions and the ventilation requirements of the building or industrial process should be considered during selection.

The manufacturer states that every unit is selected according to required airflow, static pressure, and project site conditions, with technical support available for sizing.

Manufacturing and Supply for Kolkata

The fans are manufactured at a factory in Neemrana, Rajasthan, and supplied to Kolkata and other places in India. The manufacturer states that equipment is chosen according to project requirements and that customers can share airflow, pressure, and application information for quotation and technical guidance.

Backward Inclined Centrifugal Fans Manufacturer in India solutions can therefore be considered for projects requiring engineered centrifugal ventilation equipment with different sizes, materials, and configurations.

Frequently Asked Questions

What are backward inclined centrifugal fans used for?

They are generally used in AHUs, ducted supply and exhaust systems, and industrial process ventilation applications where efficient and higher-pressure airflow is required.

What sizes are available?

The current product range covers fan diameters from 180 mm to 1120 mm.

What is the airflow capacity?

The listed airflow range is 700 to 60,000 CFM.

Which materials are available?

The product page lists GPSP, SS304, and SS316 as material-of-construction options.

How can I choose the appropriate fan for my project?

Share the required airflow, static pressure, application, and site conditions. These details help determine the suitable fan size and configuration for the ventilation system.

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Conclusion

Backward inclined centrifugal fans can provide an efficient and flexible solution for HVAC, air-handling, ducted ventilation, and industrial process applications in Kolkata. With multiple configurations, material options, sizes, and airflow capacities, the equipment can be selected according to specific project requirements. FanAir India Pvt. Ltd. supports project-based selection and supplies equipment from its Neemrana production facility to Kolkata and other parts of India.

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Serving Kolkata

Fan Air India Pvt. Ltd. manufactures precision-engineered backward inclined centrifugal fans built for high-efficiency airflow. For customers in Kolkata, our Backward Inclined Centrifugal Fans are commonly used for air handling units, ducted supply and exhaust systems and industrial process ventilation.

Kolkata is the commercial gateway to eastern India, with engineering, jute, food processing and chemical industries, and close links to the steel and power plants of the eastern belt. Hospitals, malls and high-rise projects across the city also require dependable HVAC and life-safety ventilation in a hot, humid climate.

Every unit is built at our factory in Neemrana, Rajasthan and selected to suit the required airflow, static pressure and site conditions of your project. Our team can help with sizing and technical data before you order, and we dispatch finished equipment to sites across Kolkata and the rest of India.

To get a quotation for Backward Inclined Centrifugal Fans in Kolkata, share your airflow, pressure and application details through our contact page, call +91-9811347199 or email saurabh.joshi@fanair.in.

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