CYZER|O™
Next-Generation Electronic Override System
Unlocking the Future of Pressure Control Management
CYZER-O by Comex Ltd represents the latest evolution in electronic override solutions for critical pressure management. Built for demanding environments across the oil, gas, and utilities sectors, CYZER-O delivers robust safety, seamless integration, and future-proof flexibility—empowering your operations to meet today’s challenges and tomorrow’s opportunities.
Key Features & Advantages
Seamless Integration
- Installs in parallel with your existing RTU and pneumatic systems, requiring minimal outage and no major infrastructure changes.
- Compatible with both pneumatic and electric actuators, ensuring a smooth transition as your site modernises.
Advanced Functionality
- Single O/L pressure transmitter for efficient monitoring and control.
- All electronics safely located in the safe area, reducing exposure and simplifying maintenance.
- Auto/manual alarm, lockable selector, maintenance switch, and remote alarm output for comprehensive operational control.
Operational Excellence
- Eliminates constant natural gas venting, supporting both regulatory compliance and environmental responsibility.
- Enables accurate PID functionality and enhanced SIL (Safety Integrity Level) potential.
- Self-diagnostic capabilities with integrated alarms for local and remote monitoring.
Scalable & Future-Proof
- Designed for single or multi-stream applications—ideal for total pressure management across your site.
- Remains fully functional and compatible even as you upgrade from pneumatic to electric actuators or valves.
- Scalable to support full-site deployments and expansion.
Compliance & Security
- Fully ATEX and cyber-compliant, rigorously evaluated and tested to meet the highest industry standards.
- Standalone, independent operation for assured reliability.
How CYZER-O™ Works
CYZER-O is engineered to fit effortlessly into your existing pressure control architecture. By inserting the electronic panel in series with your RTU output, you gain advanced electronic override capabilities while retaining the reliability of your current pneumatic setup. With all electronics housed in the safe area, installation is straightforward and maintenance is simplified.

Applications
- Oil & gas pipeline pressure override
- Utilities pressure management and safety upgrades
- Emergency shutdown systems
- Integration with Mokveld ZEV and other leading actuator brands
Why Choose CYZER|O™?
- Maximise Safety: Enhance protection for people, assets, and the environment.
- Minimise Disruption: Upgrade without major downtime or system overhauls.
- Future-Ready: Stay ahead with a solution that grows and adapts with your operation.