Elements in Pipe Piece CategorySave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedFeb 24, 2022EngineeringUnified EngineeringEngineering (Unified Engineering) Related LinksHVAC Spool List Element (HSLIST)HVAC Spool Element (HSPOOL)Pipe Piece Element (PPIECE)Pipe Piece List Element (PPLIST)Pipe Spool List Element (PSLIST)Pipe Spool Element (PSPOOL)