RKKTM Round Tight Regulation/Shut-Off Damper
RKKTM Round Tight Regulation/Shut-Off Damper
An airtight round damper for precise airflow regulation or complete shut-off in circular ducts. Features an EPDM-sealed blade for leak-tight closure (Class 4), making it suitable for isolation and control applications.
Product Description
Key Features & Benefits
Technical Specifications
Diameter Range
80 mm to 630 mm
Leakage Class
Casing: Class ATC 3. Blade: Class 4 (Airtight).
Max. Air Velocity
12 m/s
Operating Temperature
-20°C to +80°C (Airflow)
Seal Material
Blade perimeter: EPDM / Silicone. Connection: Rubber lip seal (SPIRO).
Actuator Supply
24V AC or 230V AC options.
Installation & Control
Connection Type
Specify: 'P' for flanged ducts or 'SL' for SPIRO duct with lip seal.
Mounting
Can be installed in any orientation. Requires 250 mm clearance for the control mechanism.
Clearance for Opening
Ensure sufficient space for the open blade extension beyond the duct ('a' dimension).
Electrical Setup
For motorized versions, connect power and control signal per actuator type.
Use Cases
- Fire & Smoke Dampers
- Hospital Isolation
- Industrial Process Control
- AHU & Fan Isolation
- Building Zoning
Product brochure
User Manual
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