LARGE DIAMETER FLANGES SERIES B / API 605 ASME B16.47 Class 75
LARGE DIAMETER FLANGES SERIES B / API 605 ASME B16.47 Class 150
LARGE DIAMETER FLANGES SERIES B / API 605 ASME B16.47 Class 300
LARGE DIAMETER FLANGES SERIES B / API 605 ASME B16.47 Class 400
LARGE DIAMETER FLANGES SERIES B / API 605 ASME B16.47 Class 600
LARGE DIAMETER FLANGES SERIES B / API 605 ASME B16.47 Class 900