PRODUCT

Backdraft Damper (BDD)

Product Overview

It is a damper that is opened and closed automatically by indoor pressure, and is divided into R Type (circular) and S Type (square) according to its appearance.

back_draft_damper_01.jpg

Product Code

Product Type Product Code
images/back_draft_damper_01.jpg
Backdraft damper (B.D.D) (round)
Backdraft damper (B.D.D) (round, a flange on one side)
Backdraft damper (B.D.D) (round, flanges on both sides)
 BDDR Φd1
BDDRF1 Φd1
BDDRF2 Φd1
images/back_draft_damper_03.jpg
Backdraft damper (B.D.D) (round, butterfly type)
Backdraft damper (B.D.D) (round, a flange on one side, butterfly type)
Backdraft damper (B.D.D) (round, flanges on both side, butterfly type)
 WVDR Φd1
WVDRF1 Φd1
WVDRF2 Φd1
back_draft_damper_04.jpg
Backdraft damper (B.D.D) (square)
Backdraft damper (B.D.D) (square, bearing type) 		BDDS W (Width) H (Height)
BDDSB W (Width) H (Height)


Product Dimension

Frame Hot-dip galvanized steel sheet (GI) / Galvalume (GL) / Stainless steel (STS 304)
Blade Hot-dip galvanized steel sheet (GI) / Galvalume (GL) / Stainless steel (STS 304)

※ If there is no special specification required when placing an order, the products are manufactured with our standard specifications.