True Round Fire Damper 2652-7 Accessories inner dimension and outer dimension

inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color

For damper free area chart A click here * 2563 - Out-of-Airstream fire door

Opposed Blade Damper standard on 4" widths

3 hour fire resistance rating

Submittals and Performance Data

True Round Fire Damper 2652-7 Accessories inner dimension and outer dimensionh3. Standard Features * Round 1 1 2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link, 165 standard * All sizes utilize one main curtain stay * Galvanized finish h3. Options * MAR Mounting Angle Ring (sold in pairs 2 needed, 1 for each end)