Round duct and fittings

Certification body: The Building Information Foundation RTS sr

Reference document: the Classification of Indoor Climate 2008 and the Cleanliness Classification of Air-handling Products, General Instructions

Products: segmented fittings: bends, flat reductions, reducers, collar saddles, saddles tees, t-pieces, y-pieces, male couplings, coupling with gasket, lateral pressed saddles, setoffs, regulating dampers, adjusting and shut-off dampers, back draught dampers, sliding dampers, multi-blade dampers

Certification body: TÜV Rheinland Group

Application: Designed for use in ventilation systems in apartment buildings, industrial plants and public utility objects including hospitals.

Products: Round ventilation ducts and fittings, access doors, round roof elements

Certification body: The Building Information Foundation RTS sr

Reference document: the Classification of Indoor Climate 2008 and the Cleanliness Classification of Air-handling Products, General Instructions

Products: pressed bends, reducers, t-pieces, take-offs

Certification body: The Building Information Foundation RTS sr

Reference document: the Classification of Indoor Climate 2008 and the Cleanliness Classification of Air-handling Products, General Instructions

Products: spiral ducts

Certification body: RISE Research Institutes of Sweden AB | Certification (formerly SITAC )

Application: Designed for use in ventilation systems in apartment buildings, industrial plants and public utility objects including hospitals.

Products: Alnor round Spiral duct system

Alnor round spiral ducts and ductwork elements are manufactured according to Swedish Technical Approval no. 0103/07 issued by RISE (formerly SP Certifiering).

 *reproduction, copying, photographing, scanning, digitizing document for marketing purposes is prohibited. The model document is published exclusively for customers who have purchased the products listed in the document.

Certification body: National Institute of Hygiene

Application: Designed for use in ventilation and air-condition systems in apartment buildings, industrial plants and public utility objects including hospitals.

Products: All ducts and fittings produced of galvanized sheet

 *reproduction, copying, photographing, scanning, digitizing document for marketing purposes is prohibited. The model document is published exclusively for customers who have purchased the products listed in the document.

Certification body: National Institute of Hygiene

Application: Designed for use in ventilation and air-condition systems in apartment buildings, industrial plants and public utility objects including hospitals.

Products: All ducts and fittings produced of stainless steel

 *reproduction, copying, photographing, scanning, digitizing document for marketing purposes is prohibited. The model document is published exclusively for customers who have purchased the products listed in the document.

Certification body: Accredited Testing Laboratory - SP Technical Research Institute of Sweden

Test object: Circular duct system - sheet thickness 0.5 mm, 0.6 mm, 0.7 mm, 1.2 mm.

Reference document: standard EN 12237:2003 ”Ventilation for buildings – Ductwork – Strength and leakage of circular sheet metal ducts”​

 *reproduction, copying, photographing, scanning, digitizing document for marketing purposes is prohibited. The model document is published exclusively for customers who have purchased the products listed in the document.

Certification body: National Institute of Hygiene

Application: Designed for use in ventilation and air-condition systems in apartment buildings, industrial plants and public utility objects including hospitals.

Products: All ducts and fittings produced of aluminum

 *reproduction, copying, photographing, scanning, digitizing document for marketing purposes is prohibited. The model document is published exclusively for customers who have purchased the products listed in the document.