D.S Industry Co., Ltd

Flap Damper operates at the set pressure, and its outer shape is manufactured in S-Type (square).

Product Type		Product Code
	Air volume control damper (V.D) (round) Air volume control damper (V.D) (round, a flange on one side) Air volume control damper (V.D) (round, flanges on both sides)	VDR Φd1 VDRF1 Φd1 VDRF2

Frame	Hot-dip galvanized steel sheet (GI) / Galvalume (GL) / Stainless steel (STS 304)	Thickness(mm) T1.5~1.6
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.

※ The default specification of the square damper is the bushing type. The bearing type can be made by order.