Energy Sector

Treval Engineering have been carrying out mechanical pipe welding, tank repairs, installations and maintenance at nuclear, biomass and the oil and gas transfer and storage facilities for decades.  Our staff and subcontractors are highly trained and exceed standards. All welding is carried out to a number of specifications including ASME and BS standards. The Treval workshop situated in Orpington, Kent fully facilitates fabrication requirements prior to on-site installations.

Our maintenance service includes bespoke, scheduled and emergency call out as required.


Mechanical pipe welding, fitting & installation at energy storage and transfer facilities across the UK. API, ASME IX & BS Standards.

Learn More

Tank Repairs

Storage facility tank repairs and modifications carried out in accordance with manufactured specification API, EN & EEMUA.

Learn More


Complete mechanical maintenance service for transfer and storage facilities. Scheduled, one-off or emergency call out service available.

Learn More

Coded Welding

With the world’s energy supply moving away from a reliance on petrochemical to renewable alternatives, Treval Engineering have been involved in projects with new technologies. We are continually carrying out new procedures and approvals to keep pace with these changes.

Learn More
Treval Engineering
Established in 1968, Treval Engineering is a family owned steel fabrication company with over 50 years experience in the structural steel and petrochemical fabrication fields. Employing the latest technology and production techniques, all our work is carried out to the most exacting standards by our highly qualified staff. Our varied client base ranges from individuals right up to multinational blue chip companies and our diverse work portfolio encompasses projects both large and small.
Contact Us