... EN10272,1.4301,1.4306,1.4307,1.4541,1.4571,1.4462,1.4539,1.45472).Size:DN10mm to 3000mm,1/2 ... .5JISB2220UN1092AS2129BS4504DIN 2527-2673Non-standard flangesSizeDN10-3000,1/2''-115''PNPN0.25-50MpaGRADEASTM A182- ... /H,F51;EN10272,1.4301,1.4306,1.4307,1.4541,1.4571,1.4462,1.4539,1.4547......FINISHfinished maching ... .10M /B36.19M JISB2311/JISB2312 DIN2605-1 GB/T14383 Type of pipe fittings: and elbows(45° ...