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CASE STUDY
Coilflo Heat Exchangers for Natural Gas

Teralba supplied two compact Coilflo® heat exchangers for a Queensland mining application, using waste heat from a hot natural gas stream to warm incoming gas arriving at temperatures as low as -10°C. Designed for high-pressure service and installed within the site’s existing footprint, the twin-unit system helped prevent hydrate formation and icing while providing essential redundancy for continuous gas conditioning.

Location: QLD
Application: Industrial | Mining
Product: 2x Coilflo® Heat Exchangers

The Challenge

A mining solutions provider needed to heat incoming natural gas before it reached downstream process equipment. After pressure reduction, the gas arrived as cold as -10°C — cold enough to risk hydrate formation and icing if it wasn’t warmed before continuing through the system. The exchanger also had to handle very high pipeline pressure, all within a compact, seal-welded pressure boundary suited to a mine site footprint.

The Solution

Teralba supplied two Coilflo heat exchangers, each using waste heat from a hot natural gas stream to bring the cold gas up to temperature — a straightforward gas-to-gas duty well suited to the Coilflo design. Given the pressure involved, each unit was built in 2507 super duplex stainless steel on the shell side and 316 stainless steel on the tube side, rated well beyond the process’s operating pressure for a wide safety margin, and finished with 3/4″ Swagelok connections on every port for a compact, tool-free fit on site.

The Result

Both units were hydrostatically tested prior to dispatch and installed within the site’s existing footprint. The twin-unit setup gave the client redundancy on a duty where continuous gas conditioning is critical to keeping the rest of the process running.

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