The KLB high-tight shut-off damper safely and airtightly shuts off volume flows in round air ducts.
The air leakage rate is so low that it can hardly be detected even by a laboratory measurement. The requirements of DIN 1946 Part 4 for airtight dampers (damper leakage class 4 to DIN EN 1751) and casing leakage class C to DIN EN 1751 are met with a high degree of certainty.
• Meets the highest hygiene standards, as required in clean rooms and hospitals, for example
• Maximum performance: becomes denser with increasing pressure (KLB)
• Corrosion-resistant due to galvanized steel or stainless steel design