CID-01 Isolation Damper
CID-01 Isolation Damper – Series 1929
High-Integrity Zero-Leakage Isolation for Critical Ventilation Systems
The CID-01 Isolation Damper – Series 1929 from SUDE Engineering Private Limited is a precision-engineered shut-off damper designed to provide complete airflow or gas isolation in critical industrial, process, and nuclear-grade ventilation systems. Its advanced design ensures zero-leakage performance, making it ideal for maintenance, emergency shutdowns, and high-safety environments where airtight containment is essential.
Equipped with precision-engineered blades and a robust casing sealing system, the damper maintains reliable isolation even under extreme operating conditions, including high temperature, high pressure, and corrosive or particulate-laden airflow. Its construction emphasizes durability, structural integrity, and consistent performance, reducing maintenance needs while ensuring long-term operational reliability.
The damper supports manual, electric, or pneumatic actuation, enabling seamless integration into automated process control and safety systems. Its dependable zero-leakage capability protects personnel, sensitive equipment, and critical processes while ensuring compliance with stringent industry safety standards.
Widely used in power plants, chemical processing units, nuclear ventilation systems, and other critical industrial facilities, the CID-01 Isolation Damper reflects SUDE Engineering Private Limited’s commitment to high-quality engineering, operational safety, and innovative industrial airflow solutions.
Technical Specifications
Parameter
Shapes Available
Rectangular or circular construction
Size Range
200 mm to 3000 mm (custom sizes available)
Flow Media
Air, process gas, or exhaust gas
Blade Type
Single or multi-blade with precision sealing
Sealing Efficiency
Zero-leakage class (tested)
Sealing Type
Metal-to-metal or resilient sealing arrangement
Temperature Range
Up to 750°C (custom options for higher)
Material of Construction
Mild Steel, Stainless Steel, or Alloy Steel
Pressure Rating
Up to 3 bar (custom design on request)
Drive Operation
Manual, electric, or pneumatic actuator
Testing Standards
Leakage, performance, and endurance tested as per SIL 2 / ASME standards
Design Standards
Built to meet AMCA, ASME, and nuclear containment requirements
Working Principle:
Normal Operation
Damper blades remain open, allowing normal airflow through the duct. The sealing system stays disengaged, minimizing flow resistance.
Isolation Mode
Upon receiving a command or during emergency shutdown, the actuator drives the blades to the closed position. Blades engage with precision seat rings or casing seals to ensure zero leakage.
Safety Function
In fail-safe configurations, the damper can automatically close on power loss or safety trigger, ensuring system containment for filter change, inspection, or process isolation.
Key Features & Advantages
- Certified zero-leakage sealing design for total containment safety
- Engineered for high-temperature and high-pressure service
- Precision-machined blade and casing assembly for long operational life
- Suitable for integration with automation and safety interlocks
- Low-maintenance, rugged design for harsh industrial environments
Why Choose CID-01 Isolation Damper – Series 1929?
- Proven reliability in nuclear and high-integrity ventilation projects
- Backed by Sude’s in-house engineering, testing, and fabrication expertise
- Designed for safety-critical operation with SIL 2 compliance
- Custom-built to match process layout and performance criteria
- Supported by prompt technical service and field assistance
SUDE CID-01 Isolation Damper Advantage:
It features a certified zero-leakage sealing design for complete containment safety and is engineered to perform efficiently in high-temperature and high-pressure conditions.
The precision-machined blade and casing ensure long operational life, while its rugged, low-maintenance design supports integration with automation and safety interlocks in harsh industrial environments.
Applications
Nuclear containment ventilation systems
Process air and exhaust isolation in power plants
High-integrity HVAC systems for critical zones
Laboratory and cleanroom safety exhaust lines
Industrial gas handling and filter isolation systems
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