Tightness of flange joints for large polyethylenepipes – Part 1 Numerical simulations Leaks occasionally occur in flange joints in plastic pipelines, predominantly large dimension ones. Such pipelines are normally of importance for e g water supply, and repair is expensive. A better understanding is ...
characterized in that one of the machined profiles (4a) behind the ventilation opening (3) along the entire length / width of the light shaft cover, and further profiles (4b) transversely or perpendicular thereto by way of the depth of the cover, whereby the ends of the profile pipes (4a...