DIV 23 · HVACDAMPERSCUT SHEET INDEXED

Greenheckwd-400 series non-motorized backdraft damperwd-400

Greenheck Non-motorized backdraft damper (WD-400 Series). Model WD-400. Frame thickness 18 ga. (1.3mm); Blade thickness 0.025 in. (0.64mm); Blade seals are vinyl; Operates on air pressure differential, closes via springs. material: Galvanized steel frame, roll formed aluminum blades

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Greenheck wd-400 cut sheet — first page
Official manufacturer data sheetOpen PDF ↗
Manufacturer
Greenheck
Catalog no.
wd-400
Product type
Dampers
MasterFormat
23
Cut sheet
PDF · manufacturer current

Product details

Catalog numberwd-400
DescriptionGreenheck Non-motorized backdraft damper (WD-400 Series). Model WD-400. Frame thickness 18 ga. (1.3mm); Blade thickness 0.025 in. (0.64mm); Blade seals are vinyl; Operates on air pressure differential, closes via springs. material: Galvanized steel frame, roll formed aluminum blades
Connection size8x8 in to 150x148 in (WD-400/410)
End connectionNo flange (WD-400/410), Flange on intake (WD-430), Flange on discharge (WD-420)
Pressure RatingUp to 2.0 in. wg (0.5 kPa)
Flow RateUp to 2,500 fpm (13 m/s)
FinishZinc plated steel axle.
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