ANSI B16.5 Class 400 Threaded Flanges

ANSI B16.5 Class 400 Threaded Flanges

ProductsNominal Pipe SizeOutside Diameter (O)Thickness (T)Raised Face Diameter (R)Length Thru Hub (Y)Hub Diameter (X)Approximate Weight (lbs)Bolt Circle (C)Number of HolesDiameter of Holes
0H400THAN1/2 3.75 0.56 1.38 0.88 1.50 2 2.63 4 0.63
3Q400THAN3/4 4.63 0.63 1.69 1.00 1.88 32.63 4 0.75
01400THAN1 4.88 0.69 2.00 1.06 2.13 43.50 4 0.75
1Q400THAN1 1/4 5.25 0.81 2.50 1.132.50 5 3.88 4 0.75
1H400THAN1 1/2 6.13 0.88 2.88 1.25 2.75 7 4.50 40.88
02400THAN26.50 1.00 3.63 1.44 3.31 9 5.00 8 0.75
2H400THAN 2 1/2 7.50 1.13 4.13 1.63 3.94 13 5.88 8 0.88
03400THAN3 8.25 1.25 5.00 1.81 4.63 16 6.63 8 0.88
3H400THAN3 1/2 9.00 1.38 5.50 1.94 5.25 21 7.25 8 1.00
04400THAN 4 10.00 1.38 6.19 2.00 5.75 26 7.88 8 1.00
05400THAN5 11.00 1.50 7.312.13 7.00 31 9.25 8 1.00
06400THAN 6 12.50 1.63 8.50 2.25 8.13 44 10.63 12 1.00
08400THAN8 15.00 1.88 10.63 2.69 10.25 67 13.00 12 1.13
10400THAN10 17.50 2.13 12.752.88 12.63 91 15.25 16 1.25
12400THAN12 20.50 2.25 15.00 3.13 14.75 130 17.75 16 1.38
14400THAN14 23.00 2.38 16.25 3.3116.75 180 20.25 20 1.38
16400THAN 16 25.50 2.50 18.50 3.69 19.00 235 22.5020 1.50
18400THAN18 28.00 2.63 21.00 3.88 21.00 285 24.75 24 1.50
20400THAN20 30.50 2.75 23.00 4.00 23.13 34527.00 24 1.63
22400THAN22 33.00 2.88 25.25 4.25 25.25 405 29.25 24 1.75
24400THAN24 36.00 3.00 27.25 4.50 27.63 510 32.00 24 1.88