Class 400 Blind Flange Dimension
Nominal Pipe SizeACGHIJ
inchmmmmmmmmHolesmmmm
1/221.395.214.235. 10415.766.55
3/426.7117.315.742.9419.182.6
133.4123.917.550.8419.188.9
11/442.2133.320.663.5419.198.6
11/248.3155.422.373. 15422.4114.3
260.3165.125.491.9819.1127
21/273190.528.4104.6822.4149.4
388.9209.531.7127822.4168.1
31/2101.6228.635139.7825.4184.2
4114.325435. 10157.2825.4200.2
5141.3279.438. 10185.7825.4235
6168.3317.541. 10215.91225.4269.7
8219.138147.8269.71228.4330.2
10273444.553.8323.91631.75387.4
12323.8520.757. 153811635.1450.9
14355.6584.260.45412.82035.1514.4
16406.4647.763.5469.92038.1571.5
18457.2711.266.55533.42438.1628.7
20508774.769.85584.22441.1685.8
24609.6914.476.2692.22447.8812.8