Gasket Dimensions for Flat Ring and Full Face Applications
ASME B16.47 Series B Class 75 (Previously API 605)
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 |
26 |
26 |
660.4 |
27 7/8 |
708.0 |
30 |
762.0 |
|
0.0 |
|
0.0 |
36 |
26 |
28 |
28 |
711.2 |
29 7/8 |
758.8 |
32 |
812.8 |
|
0.0 |
|
0.0 |
40 |
28 |
30 |
30 |
762.0 |
31 7/8 |
809.6 |
34 |
863.6 |
|
0.0 |
|
0.0 |
44 |
30 |
32 |
32 |
812.8 |
33 7/8 |
860.4 |
36 |
914.4 |
|
0.0 |
|
0.0 |
48 |
32 |
34 |
34 |
863.6 |
35 7/8 |
911.2 |
38 |
965.2 |
|
0.0 |
|
0.0 |
52 |
34 |
36 |
36 |
914.4 |
38 5/16 |
973.1 |
40 11/16 |
1033.5 |
7/8 |
22.2 |
39 1/16 |
992.2 |
40 |
36 |
38 |
38 |
965.2 |
40 5/16 |
1023.9 |
|
0.0 |
|
0.0 |
|
0.0 |
|
38 |
40 |
40 |
1016.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
40 |
42 |
42 |
1066.8 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
42 |
44 |
44 |
1117.6 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
44 |
46 |
46 |
1168.4 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
46 |
48 |
48 |
1219.2 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
48 |
50 |
50 |
1270.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
50 |
52 |
52 |
1320.8 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
52 |
54 |
54 |
1371.6 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
54 |
56 |
56 |
1422.4 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
56 |
58 |
58 |
1473.2 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
58 |
60 |
60 |
1524.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
0.0 |
|
60 |