Type DGW

Damper units, made of dip coated sheet steel, with air control blades, for installation into rectangular ducts

Damper units with opposed action blades and blades for air direction control

  • Nominal sizes 225 × 75 – 1225 × 525 mm
  • Perimeter angle section frame

DGW 00145336_0


  • Application
  • Description

Application

  • Type DGW damper units for supply air and extract air
  • Adjustable blades for volume flow rate balancing
  • Adjustable blades for air direction control
  • For installation into rectangular ducts

Nominal sizes

  • Nominal length: 225, 325, 425, 525, 625, 825, 1025, 1225 mm
  • Nominal height: 75, 125, 225, 325, 425, 525 mm

Parts and characteristics

  • Angle section frame
  • Adjustable transverse opposed action blades for flow adjustment
  • Individually adjustable, transverse blades for air direction control

Construction features

  • Flow adjustment: Centrally supported blades
  • Air direction control: Asymmetrically supported blades
  • Angle section frame without fixing holes

Materials and surfaces

  • Angle section frame and blades made of sheet steel
  • Angle section frame and blades dip coated RAL 9005, jet black

Maintenance

  • Maintenance-free as construction and materials are not subject to wear
  • Inspection and cleaning to VDI 6022

Teknisk information

Function, Technical data, Specification text, Order code

  • Function
  • Technical data
  • Specification text
  • Order code
Schematic illustration of DGW 00205173_0
① Blade for flow adjustment
② Air control blade


Nominal sizes

225 × 75 to 1225 × 525 mm


Damper units, rectangular, made of galvanised sheet steel, for supply and extract air. Installation preferably in rectangular ducts.

Ready-to-install component which consists of an angle section frame, transverse opposed action blades for flow adjustment and individually adjustable blades for air direction control.

Materials and surfaces

  • Angle section frame and blades made of sheet steel
  • Angle section frame and blades dip coated RAL 9005, jet black

Technical data

  • Nominal sizes: 225 × 75 to 1225 × 525 mm

Sizing data

  • V _______________________ [m³/h]
  • Δpt _______________________ [Pa]

Air-regenerated noise

  • LWA _______________________ [dB(A)]

This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.

00130454_0

 Type
DGW       Damper unit

 

 Nominal size [mm]
       L × H

Order example: DGW/625×225

Nominal size

625 × 225 mm


 

Dimensions and weight

  • Dimensions and weight
DGW 00205006_0
L Nominal length
H Nominal height


The weight table shows the available nominal sizes

DGW

H L [mm]
H 225 325 425 525 625 825 1025 1225
H m
mm kg

75

0.5

0.7

0.9

1.1

1.3

1.7

2.1

2.5

125

0.7

0.9

1.2

1.4

1.7

2.2

2.7

3.2

225


1.3

1.7

2.1

2.4

3.1

3.9

4.6

325



2.2

2.7

3.2

4.1

5.0

5.9

425





3.9

5.0

6.2

7.3

525







7.3

8.7


Installation details, Commissioning, Basic information and nomenclature

  • Installation details
  • Commissioning
  • Basic information and nomenclature

Installation and commissioning

  • Installation preferably in rectangular ducts
  • Fix the angle section frame with screws or rivets

Volume flow rate balancing -*G 00152008_0

Attachments -AG, -DG and Types AGW, DGW

Volume flow rate balancing

When several ventilation grilles are installed on the same duct, it may be necessary to balance the volume flow rates.

  • Damper unit with opposed action blades, adjustable, secured with a locking screw

Air pattern

  • Air control blades, fitted at 90° to the front blades, can be adapted to the local conditions

Principal dimensions

L [mm]

Nominal length of the ventilation grille

H [mm]

Nominal height of the ventilation grille

m [kg]

Weight

Nomenclature

LWA [dB(A)]

Sound power level of the air-regenerated noise

V [m³/h] and [l/s]

Volume flow rate

Δpt [Pa]

Total differential pressure

lS [m]

Distance from single grille or horizontal run section (throw distance)

Referenser

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