400 ‘TRACED PIPE’
401 ‘LAGGED PIPE’ 402 ‘PIPE SUPPORT’ 403 ‘COMPN JOINT’ 404 ‘SCREWED JOINT’ 405 ‘SOCKET WELD’ 406 ‘FIELD WELD 407 ‘SHOP WELD 411 ‘SITE CONNECTION’ |
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410 ‘[1] DENOTES PIPE SPOOL NO DENOTES PARTS LIST NO’
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