Non-Metallic Gaskets dimensions - B16.47 Series A

Class 150-600 – NPS 26-60
Ball Long Pattern
NPS
d1
d2
Class 150
Class 300
Class 400
Class 600
26
660
775
835
832
867
28
711
832
899
892
914
30
762
883
953
946
972
32
813
940
1006
1003
1022
34
864
991
1057
1054
1073
36
914
1048
1118
1118
1130
38
965
1111
1054
1073
1105
40
1016
1162
1114
1127
1156
42
1067
1219
1165
1178
1219
44
1118
1276
1219
1232
1270
46
1168
1327
1273
1289
1327
48
1219
1384
1324
1346
1391
50
1270
1435
1378
1403
1448
52
1321
1492
1429
1454
1499
54
1372
1549
1492
1518
1556
56
1422
1607
1543
1568
1613
58
1473
1664
1594
1619
1664
60
1524
1715
1645
1683
NPS
d1
Class 150
Class 300
Class 400
Class 600
d2

General notes: