Since the industrial revolution over 100 years ago, steam has been the backbone of manufacturing, helping to mix, evaporate, distill, brew, cure and generally process materials within all aspects of the production process.
Now steam users are faced with a new challenge …
…to increase production while reducing reliance on the carbon-based fuels needed to drive production.
Thermal Energy International understands these challenges and provides products and solutions to help recover waste energy and reduce the use of energy.
Our solutions are based on practical yet simple to install products which can upgrade existing systems to maximise energy efficiency, reduce carbon emissions, improve productivity and reduce downtime.
Mechanics of the GEM® Trap
On start up of a cold steam system, all steam traps need to be able to expel air and non-condensed gases before expelling the cold condensate required to get to operational temperatures. The GEM® Trap is a normally open device which enables the GEM® Trap to do the above, and to operate more efficiently than any mechanically designed steam trap.
Cold condensate formed during the start up process is also removed quickly as the GEM® Trap discharges at 3 times its maximum flow rate when below normal operating temperatures, reducing warm up times.
Once warm, the GEM® Trap utilises the differential in density between steam and condensate to preferentially discharge the slowing moving condensate through the orifice, trapping the steam where it is needed in the steam system.
As the condensate passes through the venturi, a small amount of flash is created which regulates the condensate flow and maintains a liquid seal between the high and low pressure side of the trap. The liquid seal within the GEM® Trap ensures that no live steam is lost and that the GEM® Trap can operate over the full range of the equipment it is sized for.
The GEM® Trap Difference
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GEM® Traps have a revolutionary venturi design which enables them to perform the job of the steam trap without the need for moving parts which wear out or fail.As part of a complete GEM® condensate return system each steam trap is optimised, reducing back pressure within the condensate lines and enabling optimisation to be fully realised. |
10 Year Performance Guarantee
With nothing to wear out, we have been providing the GEM® trap with this guarantee for over 15 years, that’s over 100,000 units with none returned. Since all the GEM® Trap parts of the condensate system are guaranteed, maintenance is minimised and the cost of ownership reduced.
Thermal Energy International provides full service to support the GEM® Trap: from initial steam system review through project planning, to installation and commissioning to ensure that each and every GEM® trap is optimally sized to provide the best efficiency.
Each GEM® Trap is individually sized for the process or application and is etched with a unique serial number for full traceability. Material certification can also be provided if required.
The steam and condensate system is a complete loop.
The GEM® Trap has changed the way many view
steam traps, providing a permanent solution with
no moving parts to wear out or fail.Systematic change provides better improvements throughout.
The GEM® Trap has been used systematically across many plants and installations to ensure the utmost efficiency across a given condensate return system.
In these images the difference in the system can be easily noted by the reduction in plume from the condensate receiver vent at a hospital laundry before (left) and after (right) fitting GEM® Traps.


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