Gasket Dimensions for Flat Ring and Full Face Applications
ASME B16.47 Series A Class 300 (Previously MSS SP44)
Nominal Bore |
Gasket ID |
IBC Gasket OD |
Full Face |
Nominal Bore |
|
Gasket OD |
Diameter of Bolt Holes |
Bolt P.C.D. |
Number of Bolt Holes |
Inches |
mm |
Inches |
mm |
Inches |
mm |
Inches |
mm |
Inches |
mm |
22 |
550 |
22 |
558.8 |
27 3/4 |
704.9 |
33 |
838.2 |
1 5/8 |
41.3 |
29 1/4 |
743.0 |
24 |
22 |
26 |
650 |
26 |
660.4 |
32 22/25 |
835.2 |
38 1/4 |
971.6 |
1 3/4 |
44.5 |
34 1/2 |
876.3 |
28 |
26 |
28 |
700 |
28 |
711.2 |
35 19/50 |
898.7 |
40 3/4 |
1035.1 |
1 3/4 |
44.5 |
37 |
939.8 |
28 |
28 |
30 |
750 |
30 |
762.0 |
37 1/2 |
952.5 |
43 |
1092.2 |
1 7/8 |
47.6 |
39 1/4 |
997.0 |
28 |
30 |
32 |
800 |
32 |
812.8 |
39 46/73 |
1006.6 |
45 1/4 |
1149.4 |
2 |
50.8 |
41 1/2 |
1054.1 |
28 |
32 |
34 |
850 |
34 |
863.6 |
41 31/50 |
1057.1 |
47 1/2 |
1206.5 |
2 |
50.8 |
43 1/2 |
1104.9 |
28 |
34 |
36 |
900 |
36 |
914.4 |
44 |
1117.6 |
50 |
1270.0 |
2 1/8 |
54.0 |
46 |
1168.4 |
32 |
36 |
38 |
950 |
38 |
965.2 |
41 1/2 |
1054.1 |
46 |
1168.4 |
1 5/8 |
41.3 |
43 |
1092.2 |
32 |
38 |
40 |
1000 |
40 |
1016.0 |
43 22/25 |
1114.6 |
47 1/2 |
1206.5 |
1 3/4 |
44.5 |
45 1/2 |
1155.7 |
32 |
40 |
42 |
1050 |
42 |
1066.8 |
45 22/25 |
1165.4 |
50 3/4 |
1289.1 |
1 3/4 |
44.5 |
47 1/2 |
1206.5 |
32 |
42 |
44 |
1100 |
44 |
1117.6 |
48 |
1219.2 |
53 3/4 |
1365.3 |
1 7/8 |
47.6 |
49 3/4 |
1263.7 |
32 |
44 |
46 |
1150 |
46 |
1168.4 |
50 3/25 |
1273.0 |
55 3/4 |
1416.1 |
2 |
50.8 |
52 |
1320.8 |
28 |
46 |
48 |
1200 |
48 |
1219.2 |
52 3/25 |
1323.8 |
57 3/4 |
1466.9 |
2 |
50.8 |
54 |
1371.6 |
32 |
48 |
50 |
1250 |
50 |
1270.0 |
54 1/4 |
1378.0 |
60 1/4 |
1530.4 |
2 1/8 |
54.0 |
56 1/4 |
1428.8 |
32 |
50 |
52 |
1300 |
52 |
1320.8 |
56 1/4 |
1428.8 |
62 1/4 |
1581.2 |
2 1/8 |
54.0 |
58 1/4 |
1479.6 |
32 |
52 |
54 |
1350 |
54 |
1371.6 |
58 3/4 |
1492.3 |
65 1/4 |
1657.4 |
2 3/8 |
60.3 |
61 |
1549.4 |
28 |
54 |
56 |
1400 |
56 |
1422.4 |
60 3/4 |
1543.1 |
67 1/4 |
1708.2 |
2 3/8 |
60.3 |
63 |
1600.2 |
28 |
56 |
58 |
1450 |
58 |
1473.2 |
62 3/4 |
1593.9 |
69 1/4 |
1759.0 |
2 3/8 |
60.3 |
65 |
1651.0 |
32 |
58 |
60 |
1500 |
60 |
1524.0 |
64 3/4 |
1644.7 |
71 1/4 |
1809.8 |
2 3/8 |
60.3 |
67 |
1701.8 |
32 |
60 |