B.D.Fans & Enviro Engineering (Formerly B.d.engineering Co.)B.D.Fans & Enviro Engineering (Formerly B.d.engineering Co.)
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Centrifugal Fans / BlowersAxial Flow FansIndustrial Man Cooler FansF.D. Cooler
ImpellersBag Filters (Fabric Filters)Cyclone SeparatorScrubbers
Air Pollution Control System

Our vast resources and technical know-how facilitate us in utilizing our expertise by providing solution for various turnkey projects related to Air Pollution Control, Dust Extraction, Ventilation System and Environmental Engineering. Due to our strict adherence to quality and design standards, we have gained wide appreciation across the globe. Our comprehensive range includes:


Centrifugal Fans / Blowers
Centrifugal Fans / Blowers

We offer our durable and upgraded range of centrifugal fans that comes with unique combination of volume and pressure with high zone of flexibility. These fans are extensively used for Air Pollution Control System, Ventilation, Dust / Fume extraction, Evaporative cooling and other applications.

We provide centrifugal fans and blowers in various designs as per the suitability in different applications. Our assortment is available in designs like ID, FD, LL, LLD with capacity ranging from 500 m3/hr to 6,50,000 m3/hr at a static pressure from 30 mmwg to 3000mmwg and temperature upto 450 degree centigrade.

Available in Single inlet and double inlet types, these fans and blowers are offered in MS / SS / AL construction with FRP lined and hard faced. Our featured products in this range Limit Load Fans / Blowers (LL, LLD Fans) have following specifications:

Double Inlet Type (LLD Fan)
  • Capacity : from 4,500 m3/hr to 8,67,000 m3/hr
  • Static   pressure from ¼’’ wg. To 15” wg.

Single Inlet Type (LL Fan)
  • Capacity : from 1100 m3/hr to 5,10,000 m3/hr
  • Static Pressure from ¼” wg    to 15” wg.
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Axial Flow Fans

Our company manufactures and supplies a wide range of axial flow fans. These are available in various designs. We use fine grade aluminium and mild steel in fabrication of highly efficient axial flow fans. These are provided with statiodynamically balanced impellers that ensure high performance at low power rating. Our assortment is suitable for ventilation exhaust system in planets, workshops, warehouse, office building, tunnel, withering through in tea garden etc.

Available in single stage and double stage construction, Axial Flow Fans offered by us have the capacity ranging from 500 m3/hr to 1,80,000 m3/hr at a maximum pressure at 300 mmwg with guide vane.
Axial Flow Fans
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Industrial Man Cooler Fans
Industrial Man Cooler Fans

We manufacture and supply our extensively designed Man Coolers with aerofoil type impellers. Available on Bracket, Tubular and Pedestal type model, our assortment of industrial man cooler fans is suitable for shop-floors, foundries, machine shop etc. The combination of our man cooler with aerofoil type impeller ensures following advantages:
  • Large volume of air stream at high velocity
  • Low power consumptions
  • Vibration free and noiseless performance

We provide customization for our man cooler fans based on different size and construction as per the specified requirements of our clients.
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F.D. Cooler

We provide highly efficient and superior quality Forced Draft Coolers for various applications. The Forced Draft Cooler is basically gas to air heat exchanger. These coolers are generally used for cooling the gas at elevated temperature before passing through the bag filter or any other dust collection where high temperature gas is not recommended. These are especially suitable for Heat and mass transfer where water cannot be used economically as cooling media. In this cooler the hot gas is passed over the capsules and cold ambient air is passed through the capsules with the help of axial flow fans. This is particularly suitable for Sponge Iron Kilns.
F.D. Cooler
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Impellers
Impellers

The impellers provided by us are known for high efficiency, aerodynamically balanced, heavy duty and steady construction. These ensure fullest ROI to our clients. Our range of impellers is available in various designs of Impellers like:
  • Backward curved bladed Impeller
  • Forward carved bladed Impeller
  • Straight radial bladed Impeller
  • Backward inclined Aerofoil blades Impeller
  • Impellers of Limit Load Fan (LL Fan)
  • Single Inlet type dia 2800 mm impeller

These assist fans/ blowers in supply and exhaust of air, gas, fume, dust and for material handling in various industrial processes.
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Bag Filters (Fabric Filters)

Our Bags filters are available in different designs and these find applications in various industrial requirements and individual purposes especially in high pollutant industries. Designed as per latest technology, these bag filters are known for following features:
  • High collection efficiency
  • Minimum space requirement
  • Travel free operation
  • Low cost
  • Longer life

Our featured product in this range is jet type bag filter that provide an economic mode of dust collection and cleaning operation with higher filter rates. The simple design with no internal moving part ensures travel free operation in compact units with less occupancy floor space. The capacity of our bag filters ranges from 1000 m3/hr to 350000 m3/hr.

These Bag Filters have found applications in various high pollutant industries like:
  • Sponge Iron Industries
  • Steel Plants / Steel Rolling Mill
  • Cement Industries
  • Coal Industries
  • Foundries
  • Plywood Industries
  • Paper Industries
  • Chemical Plants
Bag Filters (Fabric Filters)
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Cyclone Separator
Cyclone Separator

We offer our special assortment of cyclone separators that is manufactured with latest designs confirming minimum space requirement, durability and least maintenance. These are known for high efficiency and low-pressure drop as these are used in collection of dust particles at low establishment cost. We offer customised solutions for these products in various sizes as per the specified requirements by our clients. Our assortment is available in following specifications:
  • Dry and wet type
  • Duel and multi-clone type
  • M.S., S.S. or Corrosion resistance construction
  • Cyclonic & volute entry designs
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Scrubbers

We offer our specified range of scrubbers in two variants as Packed Bed Scrubber and Venturi Scrubber. These are fabricated using fine grade raw materials conforming to international quality standards.

Packed Bed Scrubbers:
These are used for removal of gas, vapors, chemical mist etc. A packed bed scrubber is a cylindrical tower packed with ceramic saddles or any other suitable packing materials for particular application and provided with a water spraying arrangement. We offer these scrubbers in various sizes with gas velocities ranging from 0.5 m / sec., to 2m /sec. and pressure drop between 50 mmwg and 75 mmwg.

Venturi Scrubbers: These scrubbers are widely used in metallurgical industries. The Venturi scrubber is made of three parts: converging cone, throat cone and diverging cone. The inlet gas stream enters the converging cone and as the area decreases the dust-laden gas velocity increases (usually ranging from 70 to 100 m/s). Liquid is introduced either at the throat or at the entrance to the converging section. The inlet gas, forced to move at extremely high velocities in the small throat section, shears the liquid from its walls, producing an enormous number of very tiny droplets. It is simple and compact in design and with easy operation. Venturi scrubbers can be used in pollution controlling applications to collect both particulate and gaseous pollutants.
Scrubbers
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