Gasket dimensions to suit AWWA C207 class E (275)
Nominal bore |
Gasket outer diameter |
Gasket inner diameter |
Number of bolt holes |
Diameter of bolt holes |
Bolt P.C.D. |
Imperial |
Metric |
Imperial |
Metric |
Imperial |
Metric |
Imperial |
Metric |
Imperial |
Metric |
32 |
800 |
41 3/4 |
1060 |
32 3/16 |
818 |
28 |
1 5/8 |
41.3 |
38 1/2 |
978 |
34 |
850 |
43 3/4 |
1111 |
34 3/16 |
868 |
32 |
1 5/8 |
41.3 |
40 1/2 |
1029 |
36 |
900 |
46 |
1168 |
36 3/16 |
919 |
32 |
1 5/8 |
41.3 |
42 3/4 |
1086 |
40 |
1000 |
50 3/4 |
1289 |
40 3/16 |
1021 |
36 |
1 5/8 |
41.3 |
47 1/4 |
1200 |
42 |
1050 |
53 |
1346 |
42 3/16 |
1072 |
36 |
1 5/8 |
41.3 |
49 1/2 |
1257 |
44 |
1100 |
55 1/4 |
1403 |
44 3/16 |
1122 |
40 |
1 5/8 |
41.3 |
51 3/4 |
1314 |
48 |
1200 |
59 1/2 |
1511 |
48 3/16 |
1224 |
44 |
1 5/8 |
41.3 |
56 |
1422 |
52 |
1300 |
64 |
1626 |
52 3/16 |
1326 |
44 |
1 7/8 |
47.6 |
60 1/2 |
1537 |
56 |
1400 |
– |
– |
– |
– |
– |
– |
– |
– |
– |