DIV 23 · HVACDAMPERSCUT SHEET INDEXED

Greenheckdfdaf-310 multi-blade fire damperdfdaf-310

Name: Greenheck dfdaf-310 multi-blade fire damper
Brand: Greenheck
SKU: dfdaf-310

Greenheck Multi-blade fire damper (Fire Damper). Model DFDAF-310. UL 555 Fire Rating: 1.5 hours

Free to start · No card required · The agent pulls this cut sheet in automatically

Product details

Catalog number	dfdaf-310
Description	Greenheck Multi-blade fire damper (Fire Damper). Model DFDAF-310. UL 555 Fire Rating: 1.5 hours
Dynamic Closure Rating	Up to 4000 fpm (20.3 m/s)
Blade Type	Double skin airfoil, opposed action
Closure Device	Fusible link (212°F/100°C standard). material: Galvanized steel frame and blades
Connection size	Min 8x6 in (203x152 mm); Max 32x50 in (813x1270 mm) single section
End connection	Flanges, Grille Tabs, or Transitions (R, C, O)
Pressure Rating	Up to 8 in. wg (2 kPa)
Flow Rate	Up to 4000 fpm (20.3 m/s) for sizes up to 32x50 in; 2000 fpm (10.2 m/s) for larger sizes
Finish	Galvanized

01
Describe the job
Paste a fixture schedule, upload a spec section, or just list catalog numbers and quantities.
02
The agent matches & assembles
Products are matched from the indexed library and current cut sheets are pulled into a formatted package with cover and TOC.
03
Share for review
Send one link for sign-off, then roll the approved package into a quote or PO without retyping a part number.

Describe the job and the AI agent builds the whole package — cut sheets pulled, schedule matched, cover and TOC included.