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375 Series Submittal
Smoke Test and More Information on MA Series Diffusers
165° standard * All sizes utilize one main curtain stay * Galvanized finish h3
Damper manufactured from corrosion tested galvanized mild steel (G-90)
2-way reversible door on rectangular sizes
Parallel Volume Damper Low Leak 3000PLL-58X58 Step Down Ceiling Diffuser 375 Series Submittalh3. 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
