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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
Square or rectangular for vertical mount only
Perforated face grille
Please contact us for a quote on optional Stainless Steel Construction or Fractional Sizes
Spiral pipe diameter must be 4” larger than the width of the grille
Opposed Blade Volume Damper 3000-0BD-46X40 past 12 months listed Fire-Resistance Diffuser * TVBh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.
