PRODUCT

Air Volume Control Damper

Product Overview

It is a damper with a handle, a motor, or a worm gear for adjusting the air volume. It is divided into round and square type according to its appearance. In the case of round type, a flange can be selected. If the diameter is large, 3 blades can be manufactured.

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Product Code

Product Type Product Code
Flap Damper
Air volume control damper (V.D) (round, a flange on one side)
Air volume control damper (V.D) (round, flanges on both sides)



Air volume control damper (V.D) (round, flanges on both sides) 		VDR Φd1
VDRF1 Φd1
VDRF2



VDRB3 Φd1
Worm gear air volume control damper (W.V.D) (round)
Worm gear air volume control damper (W.V.D) (round, a flange on one side)
Worm gear air volume control damper (W.V.D) (round, flanges on both sides)
 WVDR Φd1
WVDRF1 Φd1
WVDRF2 Φd1
Air Volume Control Damper (V.D) (round, 3 blades) VDRB3 Φd1


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.


Product Code

Product Type Product Code
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Air volume control damper (V.D) (square) VDS W (Width) H (Height)
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Motored air volume control damper (M.V.D) (square) MVDS W (Width) H (Height)
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Worm gear air volume control damper (W.V.D)(square) WVDS W (Width) H (Height)

Product Material & Dimension

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) Thickness(mm) T1.5~1.6

※ 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.


VD Handle

General _ square and round
  • General handle attached to square VD
  • General handle attached to round VDs of Φ400mm or larger
  • The air volume control scale is displayed in 8 quantiles, and air volume can be adjusted as desired.
General _round
  • General handle attached to round VD of Φ350mm or less
  • The air volume control scale is displayed in 8 quantiles, and the air volume can be adjusted as desired.
Flat Convex_ square and round
  • Flat-convex handle attached to square and round VDs
  • It is a product with a long handle, and the air volume can be adjusted only in the 7th quartile.
One-touch _ square and round
  • One-touch handle attached to square and round VDs
  • It is a product with a short handle, and the air volume can be adjusted only in the 7th quartile.