The Helios MTVA 200 is a precision exhaust air valve engineered for use in various room types, particularly where non-combustible ventilation components are required. It features a fixed volume flow setting that is securely locked to prevent unauthorized adjustment, ensuring dependable airflow control. The valve is coated with epoxy powder for superior corrosion resistance. A circumferential foam ring provides an airtight closure, effectively eliminating lateral air leakage. Designed for performance and safety, the MTVA 200 is an ideal choice for reliable exhaust ventilati