Guillotine Damper
Guillotine Damper – Series 1906
The SUDE Guillotine Damper – Series 1906 is a robust, high-performance isolation device designed for industrial applications requiring precise, reliable, and safe flow control of gases, air, or bulk particulate matter. It features a flat or slightly curved steel blade that moves vertically to completely open or close ducts and flues, ensuring absolute isolation of the flow when needed.
This damper is engineered to operate efficiently in harsh industrial environments, including high temperatures, dusty conditions, and corrosive atmospheres. Its heavy-duty construction ensures minimal wear and long service life, making it ideal for power plants, steel and cement industries, chemical processing, and other process industries.
Technical Specifications
Parameter
Shapes Available
Rectangular or Circular
Size Range
Custom-built — up to 300 and beyond 12000 mm
Flow Media
Air, Flue Gas, or Process Gases
Blade Type
Flat or Slightly Curved Steel Plate
Sealing Efficiency
99.90% to 100% Tight Shut-Off
Sealing Type
Metal-to-Metal / Graphite / Fiber / Resilient Seals
Temperature Range
Up to 1000°C (higher on request)
Material of Construction
Carbon Steel, Stainless Steel, or High-Temperature Alloy Steels
Pressure Rating
Typically for Low-Pressure Systems
Drive Operations
Manual / Electric / Pneumatic / Hydraulic
Testing Standards
AMCA 511 / ASME AG-1 / ANSI FCI 70-2
Design Standards
ASME B16.34 / API 609 / ISO 5752 / EN 1092
Working Principle:
Open Position
The blade is fully retracted upward, outside the duct, allowing free gas or air flow through the system.
Closing Motion
The actuator lowers the blade vertically into the duct through a precision frame or slot, gradually obstructing the flow.
Closed Position
The blade fully seals the duct, achieving tight shut-off through metal or resilient sealing surfaces — ensuring zero or minimal leakage for complete system isolation.
Actuation Options:
Manual
Handwheel or lever-operated screw drive
Electric
Motorized for automated operation
Pneumatic
Air cylinder-operated for fast action
Hydraulic
High-torque actuation for large dampers
Key Features & Advantages
- 100% shut-off for safe maintenance or isolation
- Heavy-duty construction for high temperature and dusty environments
- Custom-built for large ducting systems
- Easy blade retraction for quick service access
- Compatible with multiple actuation options
Why Choose Guillotine Damper – Series 1906?
- Proven tight shut-off design for industrial isolation needs
- Engineered for high-temperature and heavy-duty service
- Custom-built for large ducts and complex process lines
- Complete design, testing, and assembly done in-house
- Backed by dedicated after-sales service and on-site support
SUDE Guillotine Damper Advantage:
It features a proven tight shut-off design for reliable industrial isolation and is engineered to handle high-temperature, heavy-duty service conditions.
Custom-built for large ducts and complex process lines, it includes complete in-house design, testing, and assembly, backed by dedicated after-sales service and on-site support.
Applications
Thermal Power Plants
Gas Power Plants
Steel Plants
Cement Plants
Refineries & Petrochemical Units
Waste-to-Energy & Incineration Systems
Air Pollution Control Systems
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