Back Conduits Outer protective layer for plumbing pipes The medium pipe is protected by an additional outer pipe against damage during the building phase and in operation. Application areas Pipe structure Range of products Plumbing and heating technology Corrugated pipe made from polyethylene Variants Dimensions Standards/approvals Coils in the conduit 16 und 20 mm SKZ-A349 Downloads Flyers & brochures Heating, Sanitary, Air Conditioning (4 MB) Contact partner Services installations Do you have any questions or suggestions? Our customer service advisers are always available to assist you. In house sales +41 71 763 92 48 Worldwide sales network