5 02/18 PRE-INSULATED WELD-TITE PIPE R B B E EXPANSION ELBOW DETAIL SECTION B-B A A F B A EXPANSION LOOP DETAIL NO SCALE MINERAL WOOL OR ECOTHERM INSULATION POLYURETHANE INSULATION EXPANSION 'Z' BEND DETAIL NO SCALE F B A D E C C D E A NO SCALE END SEAL PVC OR HDPE CASING GUIDE B C F D E STEEL CARRIER PIPE A E E SECTION A-A A B A B A A B B C E D B F