Class 150 Blind Flange Dimension
Norminal Pipe SizeACGHIJ
inchmmmmmmmmHolesmmmm
1/221.388.911.235. 10415.760.45
3/426.798.612.742.9415.769.85
133.410814.250.8415.779.25
11/442.2117.315.763.5415.788.9
11/248.312717.573. 15415.798.6
260.3152.419. 1091.9419.1120.7
21/273.0 177.822.4104.6419.1139.7
388.9190.523.9127419.1152.4
31/2101.6215.923.9139.7819.1177.8
4114.3228.623.9157.2819.1190.5
5141.325423.9185.7822.4215.9
6168.3279.425.4215.9822.4241.3
8219.1342.928.4269.7822.4298.5
10273.0 406.430.2323.91225.4362
12323.8482.631.753811225.4431.8
14355.6533.435. 10412.81228.4476.3
16406.4596.936.6469.91628.4539.8
18457.263539.6533.41631.75577.9
20508.0 698.542.9584.22031.75635
24609.6812.847.8692.22035.1749.3