Chain grate, stoker and fixed grate coal-fired steam boilers still central to South African heavy industry.
Supported Brands
Commercial
Industrial
Our Service
Troubleshooting Guide
Tap a fault for likely causes, what to check on site, and when to call us out.
Likely causes
What to check
Inspect the fire bed for cold corners and clinker mass; verify coal size and ash fusion temperature against the boiler spec.
When to call us
When output drops with the same coal feed — grate work needs a planned shutdown.
Likely causes
What to check
Thermal-image the casing during operation; hot spots identify failing refractory before it collapses.
When to call us
Before the next shutdown window so the refractory repair and drying schedule can be planned.
Likely causes
What to check
Observe stack opacity across load changes and inspect cyclone hoppers for build-up.
When to call us
Ahead of any Air Quality Act compliance inspection or emissions test.
FAQ
It depends on fuel pricing, emissions obligations and the remaining life of the shell. We do a comparative running-cost study before recommending conversion, since a well-maintained coal boiler can still be the lowest-cost option on some sites.
Yes. We do thickness testing first, then a full or partial retube with certified welding and a hydraulic test to the applicable pressure equipment regulations.
Larger boilers require a competent, appointed operator under the Pressure Equipment Regulations. We provide operator familiarisation training as part of installation and contract handover.
Service Areas
Coal boiler repair and maintenance in your area. Tap a suburb for local service details.
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