Straight duct with increased rigidity due to “Z” shaped stiffening structure executed along the width of the sheet metal. Larger dimensions have stiffening internal rods. Ducts are normally provided with a strong joining profile DW30.
The product is tested in accordance to EN 1366-9 and fulfils all the prescribed requirements of performance according to EN 12101-7, used in a rectangular smoke control system (see declaration of performance). The CE marked product complies with the essential requirements of the relevant European health, safety and environmental protection legislation.
RTED – T-piece
RPRCD – Collar, rectangular duct to circular surface
RTRD – T-piece reduce
RSDD – Deviation S-piece
CRD – Rectangular Bend
RRD – Rectangular Taper
RPRRD – Collar, rectangular duct to flat surface
RRLD – Branch
RCRD – Reducing Bend
RCAD – End cover
RRPD – Y branch
RRBD – Double branch
RCSSD – Transition piece, rectangular to circular