Damper

RUSKIN BTD830 Bubble Tight Isolation Damper Instructions

RUSKIN BTD830 Bubble Tight Isolation Damper Specifications Product Name: BTD830 Bubble Tight Isolation Damper Operational Ratings: Leakage Rating: Bubble Tight per AMCA 500-D Maximum Velocity: 4000 FPM (20.3 m/s) Maximum Pressure: 10 in.wg. (2.5 kPa) Design Features: Description: Single-bladed damper for extremely low leakage Frame: … Read more

GREENHECK SMD-401M Smoke Damper Instruction Manual

 GREENHECK SMD-401M Smoke Damper Product Information Product Name: SMD-401M Smoke Damper Application: The SMD-401M is a class I leakage-rated modulating smoke damper with extruded airfoil blades. It can be installed vertically (with blades running horizontally) or horizontally and is rated for airflow and leakage in … Read more