Control System Projects and Retrofits
Refurbish, retrofit, or replace obsolete equipment & systems. Solving your toughest challenges and staying ahead of schedule.
Keeping your obsolete systems running, no matter what
Need to rebuild a junction box with obsolete instrumentation and no drawings? No problem. Your controls system caught fire and you need it rebuilt in two months, not 12? We've done that.
Standardized project offerings
In addition to custom projects, we have developed a number of standardized offerings around common, repeated projects that we have performed for multiple customers.
These projects include:
89SS & 89ND Switch Replacements
eGas Control Valve Upgrades
LCI Watercooled Bus Bar Replacements
HMI Upgrades
Hazardous Gas Detection System Upgrades
Why AP4?
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Expert-led assurance
OEM-trained engineers with decades of experience in turbine controls and excitation systems.
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Fast, focused response
Direct access to decision-makers and same-day action in emergencies.
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Value-driven continuity
Extend asset life and reduce risk without overspending.
Want to accelerate your performance? Let’s chat.
Our experts are on hand to work with you to solve your operational challenges.
