From Industrial Data Communications 4th Edition

In the text we look at the way data is represented (a set of patterns referred to as "1" or
"0") generally in a set of these patterns called an octet or a byte (or sometimes a character
when referring to text), and we have looked at the abstraction of a model to see the functions
required to move these data representations from one end user to another. We will
now look at another of the fundamentals of communications, the medium over which we
transmit those data representations, the very bottom of the OSI Model, the media. This is the
location where the Physical layer attaches to the outside world, the conduit for information.

All things in data communications are related, and if they are all not correct you do not
communicate very well. Sometimes called pipes, the media is the main constraint on data
transfer speed. There are three types of media in general we will discuss, these are: the
copper types, fiber-optic types, and wireless types. Since this probably covers all media normally
used, that isn't too restrictive. Of the copper types, three generally come to mind in
the LAN and industrial areas: the Unshielded Twisted Pair (UTP),...

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Products & Services
Balancing Weights
Balancing weights are used to help balance rotating components or machinery.
Fans and Blowers (industrial)

Industrial fans and blowers are move air and ganular media in industrial and commercial settings. Typical applications include air circulation for personnel, exhaust, or material handling.

Pressure Blowers and Fans
Pressure blowers and fans are used to create and sustain a positive pressure for inflatable structures, clean rooms, laboratories, and medical facilities. Pressurization blowers are fans that create a positive pressure in a sealed or restricted environment.
Air Compressors
Air compressors are machines that compress air to higher than atmospheric pressures for delivery to pneumatic or robotic tools, industrial equipment, or direct-use applications.
Dust Collectors
Dust collectors are used in many processes to either recover valuable granular solid or powder from process streams or to remove granular solid pollutants from exhaust gases prior to venting to the atmosphere.

Topics of Interest

14-1 General With the exception of the fact that gases are compressible the theory of design for equipment to move gases and vapors is similar to that of pumps for liquids. Heads developed in terms...

In general terms, a pressure blower provides relatively high pressure at low volume when compared to other types of centrifugal fans. For purposes of this letter, fans with volumes to 10,000 CFM with...


Fans, Centrifugal Besides being used in process plants, centrifugal fans are common in building heating and air-conditioning systems. Vendors for these systems should be consulted for required...

ebm-papst's RadiPac EC centrifugal fan assembly incorporates all components required for ventilation. Boasting up to 14,700 CFM at 4 in.wg, this high performance series is available in drive...

AIR HANDLING AND VENTILATION A fan is a gas flow producing machine which operates on the same basic principles as a centrifugal pump or compressor. Each of these devices, including fan, converts...