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Duct grille double adjustable 425x75 mm for supply - spiral pipe diameter 160-400 mm

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£ 51,70-20%
£ 41,36 £ 34,47 Excl. VAT
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Duct grille double adjustable 425x75 mm for supply - spiral pipe diameter 160-400 mm
Duct grille double adjustable 425x75 mm for supply - spiral pipe diameter 160-400 mm
£ 51,70-20%
£ 41,36
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Product description

Duct grille double adjustable 425x75 mm for spiral pipe Ø 160-400

The spiral pipe duct grille 425x75 mm for air supply is a galvanised steel duct grille with adjustable vertical and horizontal slats. Due to its height of 75 millimetres, the spiral pipe grille is suitable for spiral pipes with a diameter of 160 mm to 400 mm. The duct grille has pre-drilled threaded holes and has a free passage of approximately 70%, this depends on the position of the vertical slats, also called vanes. See the specifications for the recess in the spiral pipe, these are named as nominal height and width dimensions.

The supply grilles are often used in the catering industry, retail, industrial and production halls, wondering if these grilles are suitable for you? Then please feel free to contact us.

In addition to the double adjustable duct grille (GS130 series) we also offer the individually adjustable duct grilles (GS120 series). These duct grilles are fitted with vertical vanes at the front and horizontal vanes at the rear, this grille is suitable for air supply.

Which size duct grille fits in a spiral pipe?

Height of duct grilleSuitable for spiral pipes with a diameter
75 mm150, 160, 180, 200, 250, 315, 355, 400
125 mm 315, 355, 400, 450, 500, 560, 630, 710, 800 mm
225 mm 630, 710, 800, 1000, 1250



CategoryDuct grilles with double adjustable vanes
Warranty2 years
Product code37020105
Vendor CodeSF130-G04250075
Unitper piece
For duct diameter

To which duct diameters can the grille be attached?

For duct diameter150
400 Millimeter
Nominal channel width

The width of the opening (saving dimension) in which the grille is to be mounted must be expressed in Millimetres (mm).

Nominal channel width425 Millimeter
Nom. channel height

The height of the opening (spacing) in which the grille is to be mounted should be expressed in Millimetres (mm).

Nom. channel height75 Millimeter
Mounting interior/grid

The type of fixing how the grille is mounted in the wall or duct.

Mounting interior/gridVisible screw
Double slat row

Is the grille fitted with a double row of blades?

Double slat rowYes
Vertical slats

Is the grille fitted with vertical blades?

Vertical slatsYes

The material of which the grille is made.

Front width

The front width of the grille in Millimetres (mm).

Front width454 Millimeter
Front height

The front height of the grille expressed in Millimetres (mm).

Front height104 Millimeter
For round air duct

Is the grille suitable for mounting on a circular air duct?

For round air ductYes


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£ 41,26 -20%
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Volume control valve for ventilation grille - 425x75

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  • Manual control
  • S-clips included
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£ 33,47 £ 27,89 Excl. VAT
Product code: 37070954


5/5 1 reviews
Placed on 12-07-2021

we got on time and good service

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