Heat Exchanger Solutions
With over 60 years of experience in the design and fabrication of heat exchangers, we combine proven expertise with advanced design technology to deliver systems that meet the most demanding industrial specifications.
Our designs are supported by state-of-the-art thermal and mechanical design software (HTRI, HTFS, dedicated in-house tools) and advanced 3D modelling using Autodesk Inventor and AutoCAD.
Design codes we work to include:
Product range includes:
Shell-and-tube heat exchangers
Fuel oil heaters
Steam generators and re-heaters
Sulphur condensers
Catalyst coolers
Low- and high-pressure feedwater heaters
Our vacuum and condenser systems are trusted on plants worldwide for their efficiency, durability, and precision engineering.
Each unit is bespoke-designed to suit the customer’s exact process requirements, ensuring optimal performance and reliability in operation.
Product range includes:
Cylindrical and rectangular steam surface condensers
Vacuum and process condensers
Atmospheric relief valves
Pressure valves
Packaged, skid-mounted systems
Steam ejector and systems
Refinery overhead vacuum systems
Steam ejector refrigeration systems
Power generation ejector systems
Equipment for air-cooled vacuum steam condensers
We understand that minimising downtime is critical to your operations.
That’s why we offer a comprehensive spares supply service, ensuring you have quick access to the replacement parts you need — anywhere in the world.
We supply:
Replacement tube bundles
Complete replacement shells or units
Heat exchanger tubes and plates
Gaskets (spiral wound, Kammprofile, GMG, graphite)
Stud bolts and high-specification fasteners
Pressure vessel components
Seals, filters, and other consumables
In addition to supplying equipment and components, GML Trading provides skilled, certified personnel to support installation, maintenance, and shutdown operations worldwide.Our teams are experienced, safety-focused, and deployment-ready, whether for short-term assignments, planned outages, or long-term contract support.
Our labour supply includes:
NDE Level 2 operators
Dye penetrant inspectors
Magnetic particle inspectors
Ultrasonic Testing (UT) technicians
IRIS inspection specialists
API-certified inspectors
Coded welders (all materials, including exotic alloys)
Tube bundling teams
Pressure testers
Hydro-washing operatives (internal tube inspection & vessel cleaning)
Bolt torqueing technicians
Bundle extraction crews