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Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Standard Features * Heavy duty 16 gauge steel construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Soft White Options * No mounting holes * For opposed blade damper
Standard Features * 2561 - Square or rectangular fire door for vertical mount only
HVL Series Engineering/Performance Data
Opposed Blade Damper standard on 4" widths
4 1/4" Horizontal/Vertical Mount Fire Damper 2602-36X22 Commercial Retainer cables are provided onh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * 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
