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DNMControls &
Automation

Industry

Control systems for petrochemical and chemical plants

In this sector the interlock matrix is the design. Everything else — the screens, the reports, the trending — is presentation layered over it.

Photograph pending · 16:9Plant utilities exterior — cooling towers, chillers or a scrubber stack at a site DNM works onpublic/photography/plant-exterior.jpg

Our work here is on utility and ancillary systems rather than main process safety instrumented systems: gas and chemical distribution, scrubbers, extraction, transfer control, cooling and effluent.

Where a scope touches a safety instrumented function, it needs a stated safety integrity level, a competent design against IEC 61511 and independent verification. We will scope to that requirement or tell you plainly that it belongs with a specialist — what we will not do is implement safety logic in a basic process control system and call it done.

Scope honesty

This is the vertical where an integrator's willingness to say 'that is not ours' matters most. We would rather lose a line item than take on a functional safety scope without the competence file to support it.

Where we fit

  • Basic process control for utility and ancillary systems
  • Hazardous-area rated panel design and certified enclosure selection
  • Interlock matrices documented, implemented and proved by deliberate trip testing
  • Gas detection system integration and alarm routing
  • Obsolete controller and drive replacement on running plant
  • SCADA, historian and compliance reporting

Questions we get asked

Next step

Running petrochemical plant?

Tell us which system, which platform, and what the constraint is. We will tell you honestly whether we are the right firm for it.

An engineer responds within one business day.

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