Ruskin FDR25-08 Damper 328140-751 always verify the required cable

always verify the required cable run to avoid tension on the motor housing

Field-Adjustable Performance: Features a tee handle adjustment for easy on-site calibration between 20 and 175 psi

Rate-Compensated Performance: Provides fast response by reacting to the rate of temperature rise

0 MFD capacitor-run motor (370V) reduces operating costs and heat generation

Durable Construction: Fabricated from industrial-grade steel to resist oxidation and scale buildup in high-temperature environments

Ruskin FDR25-08 Damper 328140-751 always verify the required cableThe Ruskin FDR25 08 is a high performance 8 inch round fire damper engineered for seamless integration into fire rated partitions and HVAC ductwork. This true round fire damper features a 1 1 2 hour fire rating and integrates a 165F fusible link, ensuring positive closure and code compliant fire containment when ambient temperatures exceed safety thresholds. Built by a leader in airflow control, the FDR25 08 utilizes a heavy duty galvanized steel