Gasket dimensions for flat ring and full face applications
Taylor Forge – class 75 weld neck and blind flanges
Nominal pipe size |
Gasket ID |
IBC gasket OD |
Full face |
Nominal pipe size |
Full face 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 |
28 5/8 |
727.1 |
31 1/2 |
800.1 |
1 |
25.4 |
29 5/8 |
752.5 |
32 |
26 |
28 |
28 |
711.2 |
30 5/8 |
777.9 |
33 1/2 |
850.9 |
1 |
25.4 |
31 5/8 |
803.3 |
36 |
28 |
30 |
30 |
762.0 |
32 5/8 |
828.7 |
35 1/2 |
901.7 |
1 |
25.4 |
33 5/8 |
854.1 |
36 |
30 |
32 |
32 |
812.8 |
35 |
889.0 |
38 1/4 |
971.6 |
1 1/8 |
28.6 |
36 1/8 |
917.6 |
36 |
32 |
34 |
34 |
863.6 |
37 |
939.8 |
40 1/4 |
1022.4 |
1 1/8 |
28.6 |
38 1/8 |
968.4 |
40 |
34 |
36 |
36 |
914.4 |
39 |
990.6 |
42 1/4 |
1073.2 |
1 1/8 |
28.6 |
40 1/8 |
1019.2 |
40 |
36 |
42 |
42 |
1066.8 |
45 1/2 |
1155.7 |
49 |
1244.6 |
1 1/4 |
31.8 |
46 3/4 |
1187.5 |
48 |
42 |
48 |
48 |
1219.2 |
51 1/2 |
1308.1 |
55 |
1397.0 |
1 1/4 |
31.8 |
52 3/4 |
1339.9 |
52 |
48 |
54 |
54 |
1371.6 |
57 3/4 |
1466.9 |
61 1/4 |
1555.8 |
1 1/4 |
31.8 |
59 |
1498.6 |
64 |
54 |
60 |
60 |
1524.0 |
63 3/4 |
1619.3 |
67 1/4 |
1708.2 |
1 1/4 |
31.8 |
65 |
1651.0 |
72 |
60 |
66 |
66 |
1676.4 |
70 1/8 |
1781.2 |
74 |
1879.6 |
1 3/8 |
34.9 |
71 1/2 |
1816.1 |
72 |
66 |
72 |
72 |
1828.8 |
76 1/8 |
1933.6 |
80 |
2032.0 |
1 3/8 |
34.9 |
77 1/2 |
1968.5 |
80 |
72 |
Taylor Forge – class 75 slip-on flanges
Nominal pipe size |
Gasket ID |
IBC gasket OD |
Full face |
Nominal pipe size |
Full face 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 |
29 |
736.6 |
33 |
838.2 |
1 |
25.4 |
31 |
787.4 |
32 |
26 |
28 |
28 |
711.2 |
31 |
787.4 |
35 |
889.0 |
1 |
25.4 |
33 |
838.2 |
36 |
28 |
30 |
30 |
762.0 |
33 |
838.2 |
37 |
939.8 |
1 |
25.4 |
35 |
889.0 |
36 |
30 |
32 |
32 |
812.8 |
35 1/8 |
892.2 |
39 1/2 |
1003.3 |
1 1/8 |
28.6 |
37 3/8 |
949.3 |
40 |
32 |
34 |
34 |
863.6 |
37 1/8 |
943.0 |
41 1/2 |
1054.1 |
1 1/8 |
28.6 |
39 3/8 |
1000.1 |
40 |
34 |
36 |
36 |
914.4 |
39 1/8 |
993.8 |
43 1/2 |
1104.9 |
1 1/8 |
28.6 |
41 3/8 |
1050.9 |
44 |
36 |
42 |
42 |
1066.8 |
45 1/4 |
1149.4 |
50 |
1270.0 |
1 1/4 |
31.8 |
47 3/4 |
1212.9 |
48 |
42 |
48 |
48 |
1219.2 |
51 1/4 |
1301.8 |
56 |
1422.4 |
1 1/4 |
31.8 |
53 3/4 |
1365.3 |
56 |
48 |
54 |
54 |
1371.6 |
57 3/4 |
1466.9 |
62 1/2 |
1587.5 |
1 1/4 |
31.8 |
60 1/4 |
1530.4 |
68 |
54 |
60 |
60 |
1524.0 |
63 3/4 |
1619.3 |
68 1/2 |
1739.9 |
1 1/4 |
31.8 |
66 1/4 |
1682.8 |
72 |
60 |
66 |
66 |
1676.4 |
70 1/4 |
1784.4 |
75 1/2 |
1917.7 |
1 3/8 |
34.9 |
73 |
1854.2 |
72 |
66 |
72 |
72 |
1828.8 |
76 1/4 |
1936.8 |
77 5/8 |
1971.7 |
1 3/8 |
34.9 |
79 |
2006.6 |
80 |
72 |