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Round spiral perforated ducts

Photo of product SPRP

Round spiral perforated ducts are available in diameters from 80 to 630 mm; from diameter 250 mm they are provided corrugations/exterior grooves for better tightness and rigidity under negative pressure. Shape, structure and size of holes” RV 5x8 (round holes 5 mm in staggered row pattern, space between holes: 8 mm).

Perforated spiral ducts can be used in duct silencer production and for diffuser construction.

Alnor Systemy Wentylacji
Aleja Krakowska 10
05-552 Wola Mrokowska

tel. +48 22 737 40 00