ANSI B16.5 Class 400 Blind Flanges

ANSI B16.5 Class 400 Blind Flanges

ProductsNominal Pipe SizeOutside Diameter (O)Thickness (T)Raised Face Diameter (R)Length Thru Hub (Y)Length Thru Hub (Y)Hub Diameter (X)Approximate Weight (lbs)Point of Weld (A)Bolt Circle (C)Number of HolesDiameter of Holes
0H400THAN1/2 3.75 0.56 1.38 0.88 1.50 2 0.84 2.63 4 0.63
3Q400THAN 3/4 4.63 0.63 1.69 1.001.88 3 1.05 3.25 4 0.75
01400THAN1 4.88 0.692.00 1.06 2.13 4 1.32 3.50 4 0.75
1Q400THAN1 1/4 5.25 0.81 2.50 1.13 2.50 5 1.66 3.884 0.75
1H400THAN1 1/2 6.13 0.88 2.88 1.25 2.75 7 1.90 4.50 40.88
02400THAN26.50 1.00 3.63 1.44 3.31 92.385.00 8 0.75
2H400THAN2 1/2 7.501.13 4.13 1.63 3.94 13 2.88 5.888 0.88
03400THAN 3 8.25 1.25 5.00 1.81 4.63 16 3.50 6.638 0.88
3H400THAN3 1/2 9.00 1.38 5.50 1.94 5.25 21 4.00 7.258 1.00
04400THAN 4 10.00 1.38 6.19 2.00 5.75 26 4.507.888 1.00
05400THAN5 11.00 1.50 7.312.13 7.00 31 5.56 9.25 8 1.00
06400THAN6 12.50 1.63 8.50 2.25 8.13 44 6.63 10.63 12 1.00
08400THAN8 15.00 1.88 10.63 2.69 10.25 67 8.63 13.00 12 1.13
10400THAN10 17.50 2.13 12.752.88 12.63 91 10.75 15.25 16 1.25
12400THAN12 20.50 2.25 15.00 3.13 14.75 130 12.75 17.75 16 1.38
14400THAN14 23.00 2.38 16.25 3.31 16.75 180 14.0020.25 20 1.38
16400THAN16 25.50 2.50 18.50 3.69 19.00 235 16.00 22.50 20 1.50
18400THAN18 28.00 2.63 21.00 3.88 21.00 285 18.00 24.75 24 1.50
20400THAN20 30.50 2.75 23.00 4.00 23.13 345 20.00 27.00 24 1.63
22400THAN22 33.00 2.88 25.25 4.25 25.25 405 22.00 29.25 24 1.75
24400THAN24 36.003.00 27.25 4.50 27.63 510 24.00 32.00 24 1.88