... Stainless Steel Flanges SpecificationASTM A 240,AI82DimensionANSI B 16.5GradeTP304,304L,304H,316, 3I6L,316H, ... , 347RangeSORF, BLRF, SWRF, WNRF,SCREWED.Class150,300,600, 900, 1200, 1500,2500.Size1/4" to ... SpecificationASTM A 105DimensionANSI B 16.5Grade RangeSORF, BLRF, SWRF, WNRF, SCREWED.Class150,300,600,900,1200, ... BLRF, SWRF, WNRF, SCREWED.Class150, 300, 600, 900, 1200, 1500,2500.Size1/4" to 48 ...