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HALTON
Halton USS

Halton USS

Product catalog summary

Overview
Halton USS external louvres are designed for air intake and exhaust, effectively preventing the ingress of rainwater, snow, leaves, and animals. They boast a rainwater ingress penetration efficiency of approximately 95%, thanks to a special front edge blade profile and side grooves. The grille and steel mesh section are detachable from the outside, and the standard finish is polyester-painted galvanised steel.

Product Models and Accessories
The louvres are available in modular construction for large sizes and can be made from painted, unfinished, or anodised aluminum, stainless steel (AISI 316L), and copper. A model with a circular duct connection is also available.

Dimensions
The louvres come in various sizes, with a maximum nominal size of 1200×1000 mm. For installations longer than 1200 mm, a continuous grille of modular design is possible, with a maximum total length of 20 m.

Material
The fixed blades and frame are typically made from painted galvanised steel (RAL 7001), with options for aluminium, copper, or stainless steel (AISI 316L). The mesh is available in galvanised or stainless steel.

Function
The design ensures that air is supplied or extracted through horizontal blades while preventing rainwater from reaching the ductwork. Water is collected in grooves at the front edge of the blades and directed to side grooves.

Blade Construction
The blades have a depth of 65 mm, a distance of 50 mm between them, and a free area of 50%. The water penetration rating is tested according to standard EN 13030:2001.

Installation
The grille is designed to be screw-fixed into a prepared masonry wall opening. In modular installations, frames of adjacent modules are bolted together. For large installations (height > 2000 mm), a support structure is required.

Servicing
The grille can be cleaned with a soft brush if necessary.

Specification
The outdoor louvre is made from galvanised steel with a painted finish and includes a mesh behind the grille. It is effective in preventing the ingress of rainwater, snow, leaves, and animals, with a rainwater prevention capacity of at least 90% (EUROVENT 2/5). It is suitable for medium and high airflow rates.

Order Code
The order code for the louvre includes model, width, height, material, finishing, colour, and tailored product options. Example codes are provided for reference.

Catalog excerpts

Overview • External louvre for air intake and exhaust to prevent rainwater, snow, leaf and animal ingress • Rainwater ingress penetration efficiency of approx. 95% • Excellent operation based on special front edge blade profile and side grooves • Grille and steel mesh section detachable from outside • Polyester-painted galvanised steel as standard finish Product models and accessories • Modular construction available for large sizes • Models available made of painted, unfinished or anodised aluminum, stainless steel (AISI 316L) and copper • Model with circular duct connection also available (USD) Halton reserves the right to alter products without notice.

Open the catalog to page 1

At the joint between modules, the dimension is 105 mm. In addition to standard sizes, other sizes can be specially ordered. The maximum nominal size is 1200x1000 mm. It is possible to have a continuous grille of modular design when the installation length is greater than 1200 mm. The maximum total length is 20 m.

Open the catalog to page 2

Part Material Finishing Note Fixed blades The standard material is painted Galvanised galvanised steel (RAL 7001). steel Special colours and anodising of aluminium are available on request. Optionally aluminium, copper or stainless steel (AISI 316L) The standard material is painted galvanised steel (RAL 7001). Special colours and anodising of aluminium are available on request. Optionally aluminium, copper or stainless steel (AISI 316L) Stainless steel (AISI 316L) Mesh Galvanised Air is supplied or extracted through the horisontal blades. The design of the grille prevents rainwater from reaching...

Open the catalog to page 4

Blade construction Depth of blade 65 mm, distance between blades 50 mm, free area 50% Water penetration prevention (USS/I) Water penetration rating per square meter of louvre tested according standard EN 13030:2001. Core velocity at free duct area of louvre size.

Open the catalog to page 5

Code description The grille is suitable to be screw-fixed into a prepared masonry wall opening. Drill holes in the flanges of the frame on the site. The dimensions of the grille are given as the nominal dimensions of the opening.

Open the catalog to page 6

In a modular installation, the frames of adjacent modules are bolted together before installation of the louvre sections. In large modular installation (heigth > 2000 mm) the louvres shall be installed with a support structure (not included in delivery). If required, the grille is cleaned with a soft brush. The outdoor louvre is manufactured from galvanised steel with an painted finish. The louvre includes mesh fitted behind the grille. The outdoor louvre is effective in preventing rainwater, snow, leaves, and animals and other objects entering the ductwork. The louvre has a rainwater prevention...

Open the catalog to page 7

MA = Material (only for USS) CS Steel AS Stainless steel (AISI 316) FI = Finishing (only for USS) PN Painted NA No finishing AN Anodised AM Anodised aluminium (spec.color) X Special colour (RAL xxxx) USS/I-150-150, MA=CS, FI=PN, CO=G; ZT=N USD-200, CO=G, ZT=N

Open the catalog to page 8

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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