RKKTM-DK Round Tight Regulation/Shut-Off Damper
RKKTM-DK Round Tight Regulation/Shut-Off Damper
An airtight round damper designed for SPIRO duct systems. Features a silicone-sealed blade for leak-tight Class 4 closure, serving as a reliable shut-off or regulating damper in standard and explosion-hazard environments.
Product Description
Key Features & Benefits
Technical Specifications
Diameter Range
80 mm to 630 mm
Leakage Class
Casing: Class C (ATC 3). Blade: Class 4 (Airtight).
Max. Air Velocity
12 m/s
Operating Temperature
-20°C to +80°C (Airflow)
Hazardous Area
ATEX / Explosion-proof compatible (with appropriate actuator).
Seal Material
Blade perimeter: Silicone. Duct connection: Rubber edge seal.
Installation & Control
Primary Connection
For SPIRO ducts with a rubber edge seal (standard). Flanged version optional.
Mounting
Install in any orientation. Ensure 250 mm clearance for the control mechanism.
Explosion-Hazard Note
For hazardous areas, ensure all components (actuator, seals) are rated for the specific zone.
Actuator Preparation
Supplied ready for actuator mounting. Pre-mounted actuators available on request.
Use Cases
- Industrial & Chemical Plants
- Oil & Gas Facilities
- Car Park Ventilation (Hazardous)
- Building Service Shut-Off
- Fire & Smoke Compartments
Product brochure
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