
Oil & Gas Transformers
Specialized transformers for refineries, petrochemical plants, offshore platforms, and gas processing facilities. ATEX and IECEx certified for Zone 1 and Zone 2 hazardous areas. 100 kVA to 40 MVA, up to 72 kV.
Engineering Features
ATEX/IECEx Certified
Full compliance for Zone 1 and Zone 2 explosive atmosphere installations.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Power | 100 kVA – 40 MVA |
| Primary Voltage | Up to 72 kV |
| Secondary Voltage | 400 V – 13.8 kV |
| Frequency | 50 / 60 Hz |
| Cooling | ONAN / KNAN / ONAF / KNAF |
| Corrosion Class | C5-M (ISO 12944) |
| Hazardous Area | Zone 1 / Zone 2 |
| Ambient Temp | -40°C to +55°C |
| Delivery | 14–16 weeks EXW |
| Noise Level | ≤ 65 dB(A) |
Standard range parameters — custom specifications available on request.
Related glossary terms
ENATS 35-1
DNO-approved distribution transformer specification
ENATS 35-2
UK secondary substation transformer standard
G99 Compliant
Engineering Recommendation G99 grid interface
BS EN 60076
British Standard for power transformers
KEMA Certified
Independent short-circuit witness testing
EcoDesign Tier 2
EU 548/2014 efficiency compliance
ATEX 2014/34/EU and IECEx certified transformers for the UK oil & gas sector — North Sea offshore platforms, FPSOs, onshore terminals, refineries and petrochemical complexes. 100 kVA to 40 MVA at up to 72 kV, with explosion-proof Ex d / Ex e enclosures, hermetically sealed tanks and stainless-steel construction for saline-marine service. Long-standing supplier to BP, Shell, INEOS and the UK upstream/downstream supply chain.
North Sea Offshore Platforms · BP, Shell, Equinor
Grangemouth Refinery & Petrochemicals · INEOS
Sullom Voe & Flotta Onshore Terminals
FPSO Topside Modules · UK Continental Shelf
Pipeline Compressor & Pump Stations · UK Wide
Decommissioning & North-Sea CCS Projects
Where Oil & Gas Transformers Excel.
North Sea Oil & Gas
ATEX/IECEx certified transformers for North Sea oil-and-gas platforms operated by Shell, BP, Equinor, Harbour Energy and TotalEnergies.
Grangemouth & UK Refineries
Hazardous-area transformers for Grangemouth, Stanlow, Pembroke and other UK refining and petrochemical complexes.
UK LNG Import Terminals
Explosion-proof transformers for South Hook, Dragon and Isle of Grain LNG import terminals.
UK Onshore Oil & Gas
ATEX-compliant transformers for UK onshore oil-and-gas processing terminals and gas storage facilities.
Frequently Asked Questions
Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.

Ready to Specify Oil & Gas Transformers?
Share your technical requirements and our engineering team will provide a detailed proposal with guaranteed performance parameters.


