Ruskin® introduces a new addition to its airfoil blade damper models. The Ruskin CD60SS is AMCA-certified for Class IA leakage resistance (three cubic feet per minute at one-inch water gauge), which meets the requirements of the International Energy Conservation Code (IECC). Ruskin CD60SS The CD60SS is constructed from 304-grade stainless steel and designed for high performance in HVAC systems with velocity and pressures up to 4,000 feet per minute (fpm) velocity and 8-inch water gauge… Read More