Semi rigid aluminum flexible ducts is made from aluminum folded strips, winded spirally. The aluminum sheet is 100μ and leak proof interlock crimped.
It is Flexible stretchable and ideal for low and medium pressure applications.
Semi Rigid Flexible Ducts Technical Details
– Maximum velocity of 8000 fpm
– Operating Temperature -30 deg C to +250 deg C
– Standard Length 3 meter
– Fire rated “CLASS O” as per BS 476 Parts 6
– Fire rated “CLASS 1” as per BS 476 Parts 7.