Walter Tosto S.p.A. is a global leader in the design and manufacturing of critical process equipment for the Refining, (Petro)chemical, Gas Processing and Energy sectors. With over 60 years of engineering excellence, the company acts as a trusted strategic partner for EPC contractors and process licensors worldwide.
Core Capabilities for Downstream Operations
Walter Tosto specialises in heavy-wall, large-scale critical equipment essential for refinery modernisations, petrochemical expansions, and gas processing initiatives, with dedicated logistics tailored globally.
Our core product portfolio and expertise include:
- Heavy Wall High-Pressure Reactors: Manufacturing of Hydrocracking, Hydrotreating, Residue Hydroprocessing reactors, and specialty Tubular Reactors designed to withstand extreme pressure and temperature operating conditions.
- High-Pressure Heat Exchangers: Design and fabrication of critical process heat transfer equipment, including specialised Breech-Lock closure exchangers.
- Large-Scale Columns & Separators: Production of heavy fractionating columns, distillation towers, and HP Separators without size or weight limits.
- Gas Processing & Petro(chemical) Equipment: Key process vessels dedicated to natural gas treatment, fertiliser plants, and petrochemical production.
- Decarbonisation & Hydrogen Technologies: Advanced manufacturing solutions supporting zero and low-carbon hydrogen integration, CO2 capture and storage, and energy transition initiatives.
Logistics & Strategic Capabilities
Leveraging its unique sea-front workshop located directly inside the Port of Ortona, Walter Tosto overcomes standard transportation bottlenecks. This allows the seamless shipping of oversized and extra-heavy equipment directly by sea and river routes towards strategic job sites.
