'SHAPING INDUSTRIES WITH THE FINEST STEEL'

ANSI / ASME CLASS 150 WELDOFLANGE DIMENSIONS

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blind flange dimensions

Weldoflange Dimensions

NPS A B C D
1/2 3/4
19.05		 1.3/8
34.93		 15/16
23.81		 5/8
15.88
3/4 7/8
22.23		 1.5/8
41.28		 1.3/16
30.16		 13/16
20.64
1 1.1/16
26.99		 2
50.80		 1.7/16
36.51		 1.1/32
26.19
1.1/4 1.1/4
31.75		 2.3/8
60.3		 1.3/4
44.45		 1.3/8
34.93
1.1/2 1.5/16
33.34		 2.7/8
73		 2
50.80		 1.5/8
41.28
2 1.1/2
38.10		 3.1/2
88.90		 2.9/16
65.09		 2.1/16
52.39
2.1/2 1.5/8
41.28		 4.1/16
103.19		 3
76.20		 2.7/16
61.91
3 1.3/4
44.45		 4.13/16
122.24		 3.11/16
93.66		 3.1/16
77.79
3.1/2 2
50.80		 5.3/8
136.53		 3.7/8
98.43		 3.9/16
90.49
4 2
50.80		 6
152.40		 4.3/4
120.65		 4
101.60
5 2.1/4
57.15		 7.1/8
180.98		 5.9/16
141.29		 5.1/16
128.59
6 2.3/8
60.3		 8.1/2
215.90		 6.11/16
169.86		 6.1/16
153.99
8 2.3/4
69.85		 10.3/8
263.53		 8.11/16
220.66		 7.15/16
201.61
10 3.1/16
77.79		 12.9/16
319.09		 10.13/16
274.64		 10
254.00
12 3.3/8
85.73		 14.7/8
377.83		 12.13/16
325.44		 12
304.80
14 3.1/2
88.90		 16.1/8
409.58		 14.1/16
357.19		 13.1/4
336.55
16 3.11/16
93.66		 18.1/4
463.55		 16.1/16
407.99		 15.1/4
387.35
18 4.1/16
103.19		 20.3/4
527.05		 18.5/8
473.08		 17.1/4
438.15
20 4.5/8
117.48		 23.1/16
585.79		 20.1/16
509.59		 19.1/4
488.95
24 5.3/8
136.53		 27.7/8
708.03		 25.1/8
638.18		 23.1/4
590.55
NPS A B C D



General notes: