IHI Oil-Free Turbo Compressor
Model: TRE
Product Overview
The TRE Series is one of the most widely adopted centrifugal compressors in the world, trusted by over 80% of the market in Japan. Its compact, oil-free design combines high aerodynamic performance with low maintenance and simple installation — making it the ideal solution for energy-efficient, large-scale industrial air systems.
Motor sizes: 375 - 950kW
Flow Rate: 2,470 – 4,940m³/h
Features
100% Oil-Free Air Output
• Certified ISO8573-1 Class 0 (by TÜV, Germany)
• Delivers ultra-pure compressed air
• Zero oil contamination risk
Simple & Reliable Design
• Tilting pad journal bearings for high-speed, stable operation — auto-adjusts to compressor load.
• Three-dimensional impeller made from titanium and stainless steel — high efficiency, corrosion-free.
• CFD-optimized diffuser — low turbulence, quiet performance, efficient energy transfer.
• Labyrinth seal — no contact, no wear, no maintenance required.
• Optional inlet guide vane (IGV) — improves airflow control and reduces energy loss.
Low Maintenance
• Fewer moving parts than rotary screw compressors
• Built with anti-wear components
• Uses durable pad journal bearings
• Reduces servicing time and cost
High Reliability
• Trusted in 8,000+ installations worldwide
• Proven in automotive, steel, petrochemical, and food industries
• Built under strict Japanese quality standards
• Market leader in Japan’s centrifugal compressor segment
User-Customized Performance
• Over 1,500 aerodynamic parts
• CFD-based design for optimal airflow
• Tailored to your plant’s exact needs
• Technology derived from IHI jet engine R&D
