
Power Generation
Low-downtime sealing solutions for steam turbines, boiler feed systems, and critical power generation equipment operating under extreme thermal cycling
Power generation facilities require sealing solutions that deliver uninterrupted performance under extreme thermal and mechanical stress. From coal-fired plants to combined-cycle gas turbines and nuclear facilities, Inmarco offers proven sealing technologies for critical rotating and static equipment.
Critical Sealing Challenges
- Extreme thermal cycling (ambient to 600°C) during startups and shutdowns
- High-speed rotating equipment (3600 RPM turbines)
- Extreme pressure surges and steam hammer effects
- Superheated steam and corrosive condensate chemistry
- Extended run cycles requiring 3-5 year seal life
- Fugitive emissions compliance for SOx, NOx, and particulates
- Erosion from fly ash and combustion byproducts
- Water chemistry variations in cooling and condensate systems
Proven Sealing Solutions
- Oxidation-inhibited graphite packing for high-temperature steam valves
- Graphite pressure seal valve packing with metallic end caps for anti-extrusion
- Low-emission valve stem packing systems
- High-pressure, high-temperature metallic gaskets for turbine flanges
- Advanced sealing systems for boiler feed pumps
- Specially engineered packing sets for soot blower applications
- High-temperature thermal insulation materials
- CNAF gasketing solution
- PTFE/ePTFE gasketing solution
- Elastomeric gasketing solution
- High-performance Metal gasketing solution for flange joint
- Custom-engineered sealing solutions for specialized specific application requirements
Typical Applications
High-pressure steam turbine isolation, control, and interceptor valves
Combined-cycle gas turbine (CCGT) systems
Supercritical and ultra-supercritical boiler feed pumps
Heat recovery steam generator (HRSG) valves and expansion joints
Main steam isolation valves (MSIV) for nuclear applications
Condensate polishing and extraction pumps
Boiler circulation pumps and economizer systems
Generator hydrogen cooling seal systems
Flue gas desulfurization (FGD) recirculation pumps
Selective catalytic reduction (SCR) ammonia injection valves
Carbon capture and storage (CCS) compression systems
High-temperature soot blower retractable systems
Turbine bypass and drain valves
Deaerator storage tank level control valves
Steam attemperation and pressure reducing stations
Power Generation Solutions
Precision-engineered sealing systems designed for the most demanding applications

Industry-Leading Performance
Engineered for extreme conditions, tested for reliability, trusted worldwide
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