Spec Sheet

54
TSUNAMI PRODUCT CATALOG 4
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Typically, this is accomplished in one of four ways:
•
Desiccant (molecular sieve, activated alumina, silica gel)
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Membrane
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Refrigeration
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Deliquescent
Air dryers should be used when you want to remove or reduce the humidity levels in your compressed air system to
meet or exceed the air quality requirements for the compressed air demands of your tools, equipment, or applications.
•
Proper control of air pressure throughout your facility can help save 10-15% of your compressed air energy costs.
•
Repairing an audible air leak can save you $50 or more per year in energy used to drive your compressor.
•
When sizing a compressor for manufacturing, it is important to calculate total machine air consumption as well as total air consumed by
machine operators and other personnel.
•
Proper control of air volume (CFM) will make all your air drying and filtration technology perform at their rated capacity. Most pieces of
equipment have a manufacturer’s specification of volume consumption along with the recommended operating pressure.
•
Improper use of volume can cause an “over-flowing” of the rated capacity of your dryer or filtration which causes a carry over of
moisture and contaminants.
•
Many OSHA approved blow off guns can consume up to 35 CFM, the equivalent of a 10 Hp compressor.
•
Many color changing indicators used with desiccant systems do not begin to change color before 20% rH.
WHEN TO USE COMPRESSED AIR DRYERS
THE
#
1 RULE OF
COMPRESSED AIR
For Every 20°F that Compressed Air is Cooled, the Air Loses 50% of its
ability to Hold Moisture in Vapor Form (Humidity).
AIR FILTRATION
The Removal of Particulates, Water, Oil Droplets, and Aerosols
AIR DRYING The Removal of Water Vapor (Humidity) from Compressed Air
ABOUT THE APPLICATION
1. How much air does the application/equipment need, in CFM?
2. What pressure does the application require?
3. How dry does the air have to be?
a) Typically going to be specified as dew point or relative humidity
4. How clean does the air have to be?
a) Are we just worried about water, dirt, dust, and other particulates?
b) Do we have to remove any oil aerosols from the air?
KEY QUESTIONS FOR
APPLICATION SOLUTIONS
This is most effective when done in stages:
•
Water separator - removes bulk water, oil, and large particulates (down to 10 micron)
•
Coalescing filter - removes oil, aerosols and fine particulates (down to .01 micron)
•
Activated carbon filter - removes oil vapors; eliminates odors and taste (down to .003ppm)
WHERE TO PLACE COMPRESSED AIR FILTRATION
• The further away from the compressor, the more effective your filtration will work
• On or near the equipment, directly connected to air supply connection (IMPORTANT)
• In front of all air dryers as pre-filters
• Water separators should be placed at all air tool drops with regulators
ABOUT THE SUPPLY SIDE
1.What types, and how many, compressors are in the facility?
2. What is the horsepower rating of the compressor(s)?
a) Do we know the output flow of the compressor?
b) What is the output pressure of the compressor?
3. What is the system pressure?
4. What drying technology is used?
a) Is the dryer installed before or after the receiver tank?
b) Are there pre-filters used before the dryer?
c) Are there filters after the dryer?
5. Where, and how many, receiver tanks are installed?
6. Is the system a looped system, “tree” layout, or a “dead stick” system?
UNDERSTANDING AIR DRYING AND AIR FILTRATION… THERE IS A DIFFERENCE!
NOTES:
IMPORTANT THINGS TO KNOW