Parallel Volume Damper Low Leak 3000PLL-66X52 Commercial 2" thin-line roll formed out-of-airstream

2" thin-line roll formed out-of-airstream frame

* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3

Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed

Standard Features * Extruded

Parallel Volume Damper Low Leak 3000PLL-66X52 Commercial 2" thin-line roll formed out-of-airstreamh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control