Rectangular ventilation ducts and fittings made of PVC/PPs/PP/PE
Characteristics :
Wall thickness and dimensions
The standardized wall thickness and dimensions are calculated on the basis of internal manufacturer's standard (specified in table below).
We also offer ducts and fittings or wall thickness values compliant with the standards Nos. DIN 4741 and 4740 Teil 5 - both of smooth and ribbed design.
Wall thicknesses:
