Industrial blowers can be specified by blower type, flow capacity, dimensions, maximum operating pressure, port design and electrical ratings. Following are two basic types of industrial bowers and its briefing.

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2. Industrial blowers are mechanical devices which are used in the places/process
where flow of gas is needed such as conveying, ventilating, cooling, aspirating,
exhausting etc. A blower is also often known as “Fans” in many industries.
Industrial blowers can be specified by blower type, flow capacity, dimensions,
maximum operating pressure, port design and electrical ratings. Following are two
basic types of industrial bowers and its briefing.
Centrifugal Blowers
Such blowers use high speed blades or
impellers to impart velocity to air or other
gases. They offer a number of blade
orientations such as radial, forward curved
and backward curved. In centrifugal blowers,
fan affinity laws dictate that a percent
reduction in speed will produce a like
reduction in flow.
Positive Displacement Blowers
Such type of blowers use mechanical means to
squeeze fluid and thereby increase pressure
and velocity as per the needs unlike
centrifugal designs which impart pressure and
velocity to media by flinging them outward
with impellers. Here rotary lobe or root type is
common which uses two counter-rotating
lobed rotors to move fluid through the
blower. These type of blowers are often
driven by direct-coupled electric motors.

3. Applications of Industrial Blowers
Applications of centrifugal blowers are as follows:
 Used for combustion air suppliers, drying and cooling systems
 Used for dust control, air conveyor systems, fluid bed aerators etc.
Applications of positive displacement blowers are as follows:
 Mostly used for sewage aeration, in pneumatic conveying, gas boosting, filter
flushing and all kinds of petrochemical industries
Considerations while Buying
These industrial blowers are specified on the basis of flow rate and pressure. When
higher pressures are needed, these type of blowers are purchased. Following
attributes are to be checked while you purchase it:
 Type of blower
 Orientation of blades
 Flow capacity of blower
 Maximum operating pressure
 Port design
Trimech India can help you to select important blower options that suits your
workplace environment such as dampers, louvers, diffusers etc. You can visit us
at www.trimechindia.com for more blower options and other material handling
equipment.
The Source of this Article: Trimech India
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