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IMI CCI
Air-Spring Operated Steam Generator Blowdown Isolation Valve
Reliable isolation valve for steam generator blowdown systems in nuclear power plants.
Fail-safe operation ensures reliability by removing solenoid switch failure risks in critical shut-off applications.
Optimised flow design reduces pressure losses and allows smooth particulate-laden media handling for nuclear use.
Fully nuclear-qualified with ASME Section III, Safety Class 2, and Seismic Category I compliance for high safety standards.
Features
IMI’s Air-Spring Operated Steam Generator Blowdown Isolation Valve ensures containment integrity in nuclear power plants. Designed for continuous operation, it handles particulate-laden flow streams while providing tight shut-off in safety-critical scenarios. The air-to-open actuator eliminates solenoid valve failure risks, while a Y-pattern globe body minimises capacity losses. Quick-change trim enables easy maintenance, and high-force actuation ensures compliance with MSS-SP-61 shut-off standards. Constructed with stainless steel actuator components, this valve is fully ASME Section III, Safety Class 2, and Seismic Category I qualified. Its robust design ensures long-term performance in demanding nuclear applications.
Key features
Designed for nuclear applications
Air-to-open actuator
Y-pattern globe design
Quick-change trim
High-force actuation
Stainless steel actuator
Large flow passages
IEEE 323, 344, and 382 qualified
Seismic Category I design
MSS-SP-61 shut-off class