PG

External protective grille

PG

Description

External protective grille is installed in building fronts on supply and exhaust air opening. Protection net prevents the entrance of small animals, large insects and foliage into ventilation ducts.

Construction

  • supporting frame
  • horizontal fixed blades
  • protection net 13 × 13 mm

Material and finish

Material options:

  • galvanized sheet metal
  • aluminium sheet metal
  • stainless steel sheet metal AISI 304

Optional finish: any colour from the RAL palette.

Accessories

  • insect protection net 2.5 × 2.5 mm
  • installation frame (VO)
  • extendable plenum box up to dimension 900 × 500 mm adapts to the width of the wall. Insulated inside 19 mm
  • 1 – Extendable plenum box
  • 2 – Insulation 19 mm
  • 3 – Round connection opening
  • 4 – Drain profile
  • 5 – Protective grille

Dimensions and types

Dimensions A and B are variable.

PG-50

PG-100

Installation

Installation on wall with screws or with built-in frame.

Installation of large grilles

Grilles PG-100 up to width A=2000 mm and height B=2400 mm and grilles PG-50 up to width A=2000 mm and height B=1500 mm are manufactured in one piece. Grilles of larger dimensions, which may still be transported in one piece, have built transverse reinforcements. Grilles that are too large to transport in one piece are made of several parts and are assembled on site.

Product Code

PG-50 Product
1000 Width A
× -
500 Height B
ZN Material
RAL 9010 Finish
VO Accessories

Product

Options:
  • PG-50
  • PG-100

Width A

Grille width in mm

Standard: 200 – 2000 mm

Optional: any dimension

Height B

Grille height in mm

Standard PG-50: 100 – 1500 mm

Standard PG-100: 200 – 2400 mm

Optional: any dimension

Material

Options:
  • ZN – galvanized sheet metal
  • AL – aluminum sheet metal
  • INOX – stainless steel sheet metal AISI 304

Colour

Standard: RAL 9010 matte

Optional: any RAL colour

Accessories

Options:
  • IM – insect protection net
  • VO – mounting frame
  • RPB – extendable plenum box