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Success in today's highly competitive building management
business depends upon high tenant occupancy, controlled
expenses and most importantly - uninterrupted and trouble
free operation. That means no unexpected shutdowns, no
major equipment and service failures and no high cost
emergency repairs. One of the most potentially destructive
events that any building owner or operator can face is the
weakening of their HVAC piping system due to advanced
corrosion problems.
Predictive maintenance programs provide an answer to the
conflicting demand to provide more reliable building services at
lower cost and with limited personnel. Advanced
corrosion of piping systems has become a very serious problem
for many facility managers and engineers. There is a need for the
best possible program for corrosion control and monitoring of
critical HVAC piping services.
Corrosion monitoring is more complex than you think. Your HVAC
piping system is susceptible to a number of different
types of corrosion. There is no single measurement technique
that will detect all of these various conditions.
Our recommendation is that you use several
complementary techniques rather than rely on a single monitoring
method. An effective corrosion monitoring program should
include the following:
|
Comparative
Features |
Corrosion
Coupons |
Corrater Probe |
Corrosometer
Probe |
Ultrasonics |
|
Typical
Measurement period |
1 to 3 months |
minutes |
hours to days |
6 to 12 months |
|
Inspection or
On-Line Method |
on-line
measurement
off-line analysis |
on-line |
on-line |
inspection |
|
Historical or
Real-Time Data Capability |
historical |
real-time |
real-time |
historical |
|
Corrosion Type
Detected
General
Corrosion
Erosion
Erosion/Corrosion
Pitting
Corrosion
Crevice
Corrosion
Microbiological
Induced Corrosion (MIC) |
excellent
good
good
very good
good
good
|
very good
very poor
poor
good
good
poor
|
excellent
good
good
poor
poor
poor
|
excellent
very good
very good
very good
very poor
good
|
CETEC offers a service that helps you reduce your risk from the
destructive threat of corrosion to your property, including:
- Independent advice and auditing of your corrosion
monitoring program
- Corrosion coupon testing and analysis. We do more than
just measure weight loss. Why not ask us
- Investigative studies into the cause of failure from
corrosion
To give us feedback on this article or to request more
detailed information then contact us
here.
|