ONGUARD™ 2-PLUS
CONTROL SYSTEM
A real-time fouling and corrosion analyzer
for cooling water applications
•Assure — Maintain peak production with
24/7 monitoring and surveillance
•Verify — Validate performance and value
from your specialty chemical applications
•Protect — Safeguard capital assets while
optimizing resources
OnGuard™ 2-plus Control System
In industrial cooling water systems, water quality,
around the globe rely on the OnGuard™ 2-plus to respond to
microbiological activity, process load and temperature are
these ever-changing system conditions to ensure optimum
constantly changing and directly impacting consumption of
operational performance.
water and the potential for corrosion and fouling. Customers
Technology Overview
The patented OnGuard 2-plus control system monitors actual
system-fouling factors and corrosion rates as well as other
water parameters, such as pH, conductivity, temperature,
Blowdown
oxidation-reduction potential , traced chemical concentration
and flow. Based on this corrosion and fouling data, the
COOLING UNIT
Process
Fluid
OnGuard 2-plus provides performance-based control of the
treatment chemistry. As a result, appropriate corrective
actions occur instantly and constantly to ensure consistent,
OnGuard™ OnLine
reliable cooling water operation.
Blowdown Flow Signal
Corrosion and
Scale Inhibitors
Corrosion and Fouling Performance
OnGuard™ 2-Plus
control system
Features and Benefits
FEATURE
BENEFIT
Immediate response capability
Proper control of corrosion and fouling
Heat exchanger duplication in accordance with the
National Association of Corrosion Engineers (NACE)
test standard for fouling factor determination
Quantify heat transfer performance
• Dual corrators capable of real-time monitoring
of corrosion rates and imbalance
• Performance-based control
Optimized chemical treatment programs
• Reduced water consumption
• Reduced energy use
• Prolonged asset life
• Improved facility productivity
Integration with other OnGuard OnLine
24/7 monitoring and control of your water treatment or process system
The Solenis Difference
No other competitor offers a technology that monitors heat exchanger performance under actual process conditions. The OnGuard
2-plus analyzer instantly compares existing conditions to defined targets and then adjusts to close the gap. OnGuard 2-plus is
the only available technology that determines the fouling factor of your heat exchanger in accordance with a NACE accepted
test standard (NACE specification RP0189-2002). Most importantly, all of these benefits come backed by a team of dedicated,
knowledgeable Solenis sales professionals and application experts.
More Information
To learn more, contact your technical sales representative or visit us online.
All statements, information and data presented herein are believed to be accurate and
reliable, but are not to be taken as a guarantee, an express warranty or an implied
warranty of merchantability or fitness for a particular purpose, or representation,
express or implied, for which Solenis and its subsidiaries assume legal responsibility.
®Registered trademark, Solenis or its subsidiaries, registered in various countries
™Trademark, Solenis or its subsidiaries, registered in various countries
*Trademark owned by a third party
©2015, Solenis
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