🇿🇲 Zambia’s #1
Heat Exchanger
Contact…
Donovan Symes
Trusted by mines and power plants across Africa. Donovan brings 30+ years of experience solving the invisible problems killing your efficiency.
Donovan Symes has served a large number of companies and institutions, including but not limited to Eskom, Sasol, Natref, Sapref, Petro SA, Hidroelectrica Cahorra Bassa, Harmony, Anglo American, Sibanye Stilwater, Sidem (France), Vedanta, Swakop Uranium and Columbus Stainless.
Heat Exchanger Site Profile Form (Optional)
Donovan reviews every intake personally. If you’d prefer to speak directly, just click below to book a video meeting.
Remote Audit Consultation
On-site audits of heat exchangers, boilers, and cooling systems. Root-cause diagnostics, failure prevention, and cost-justified replacements. Ongoing maintenance plans to extend lifecycle and protect uptime. Unseen inefficiencies bleed millions. We stop the loss, prevent shutdowns, and restore peak thermal performance.
Gasket materials matter. EPDM, NBR, PTFE, Viton®, HNBR – each has specific thermal, chemical, and pressure tolerances. We audit your gasket choices against real plant conditions. One wrong compound can cut exchanger life by 90%.
We supply Alfa Laval OEM spares and complete heat exchangers—direct from source. All PHE brands are serviced at our Spartan facility, using Alfa Laval’s proprietary 18-step reconditioning protocol to restore efficiency and extend lifespan. We tailor maintenance and spares packages to your plant’s needs, budget, and delivery timelines.




