RECTANGULAR AIR DUCT SYSTEMS

LORU

Rect-to-round transition are used between rectangular and circular ducts. The rectangular connection has joining profiles type RJFP and the circular connection has Safe seal. The rectangular connection is available with offsets as in the coded sketches.Measures e and h only need to be given for alternative 6. Negative values for e, for example, mean that e is outside side a.
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LBXR

Bend with rounded outer corner, stiffened with trapezoid corrugations.The bend is delivered with 90° or 45° angles and joining profiles type RJFP at both ends. Other leg lengths and angles can also be ordered.Standard design l1 = l2 = 125 mm.




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LBSR

Used for deflections of the duct system, for example where ducts cross.Has a joining profile type RJFP at both ends, and is stiffened by trapezoid corrugations.A special relationship is needed between the a-dimension, fall f and length l for the LBSR to retain its cross-sectional area and not restrict the air flow. For this reason, standard lengths and standard drops have been prepared.

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LBR

Bend with sharp outer corner, stiffened with trapezoid corrugation. The bend is delivered with 90° or 45° angles and joining profile RJFP at both ends. Other leg lengths and angles can also be ordered.Standard design l1 = l2 = 125 mm.





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LDR

The taper is used as transition between different duct dimensions. The larger dimensions are available with offsets as in the coded sketches.Dimension changes have a joining profile type RJFP at both ends, and are stiffened by trapezoid corrugations.Measures e and h only need to be given for alternative 6. Negative values for e, for example, mean that e is outside side a.

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LKR

Straight duct, stiffened with transverse trapezoid corrugations, which reduces the risk of noise generation. Larger dimensions have stiffening profiles and/or internal rods. Installation height of these profiles is 23 mm.




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LTTR

A T-piece which is provided with joining profiles type RJFP and is stiffened with trapezoid corrugations.Standard design l1 = l2 = l3 = 125 mm.Other leg lengths can also be supplied.





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LPSR

The collar is used for connection to circular duct. The rectangular end is provided with joining profiles type RJFP. The rounded end has an edge, for fixing with blind rivets or self-tapping screws.Other lengths can also be supplied.



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