INNER
RING
Nominal
Pipe Size
1
/
2
9
/
16
1
1
/
32
1
15
/
32
2
1
/
8
2
1
/
8
1
1
/
32
1
17
/
32
2
1
/
8
2
5
/
8
2
5
/
8
2
5
/
8
2
5
/
8
3
/
4
1
1
/
4
2
3
/
4
3
/
4
1
1
/
4
3
1
/
4
3
/
4
13
/
16
1
1
/
4
1
11
/
16
2
3
/
8
2
3
/
8
1
1
/
4
1
3
/
4
2
3
/
8
2
5
/
8
2
5
/
8
2
5
/
8
2
5
/
8
1 1
9
/
16
2
3
/
4
1 1
9
/
16
3
1
/
4
1 1
1
/
16
1
9
/
16
2
1
/
16
2
3
/
4
2
3
/
4
1
9
/
16
2
3
/
16
2
13
/
16
2
13
/
16
2
13
/
16
3
1
/
8
3
1
/
8
1
1
/
4
1
7
/
8
3
1
/
4
1
1
/
4
1
7
/
8
3
1
/
2
1
1
/
4
1
5
/
16
1
7
/
8
2
3
/
8
2
15
/
16
2
15
/
16
1
7
/
8
2
1
/
2
3
1
/
4
3
1
/
4
3
1
/
4
3
1
/
4
3
1
/
4
1
1
/
2
2
3
/
16
3
1
/
2
1
5
/
8
2
5
/
16
3
7
/
8
1
1
/
2
1
9
/
16
2
1
/
8
2
5
/
8
3
3
/
8
3
3
/
8
2
1
/
8
2
3
/
4
3
1
/
2
3
1
/
2
3
1
/
2
3
3
/
4
3
3
/
4
1
3
/
4
2
1
/
2
4 1
7
/
8
2
5
/
8
4
1
/
2
2 2
1
/
16
2
5
/
8
3
1
/
8
3
7
/
8
3
7
/
8
2
5
/
8
3
1
/
4
4
3
/
8
4
3
/
8
4
1
/
4
4
3
/
8
4
3
/
8
2
1
/
4
3
1
/
8
4
1
/
2
2
3
/
8
3
1
/
4
5
2
1
/
2
2
9
/
16
3
1
/
4
3
7
/
8
4
3
/
8
4
3
/
8
3
1
/
4
4 5
1
/
8
5
1
/
8
5 5 5 2
7
/
8
3
3
/
4
5 3 3
7
/
8
5
5
/
8
3 3
1
/
16
3
13
/
16
4
7
/
16
5
1
/
8
5
1
/
8
3
13
/
16
4
9
/
16
5
7
/
8
5
7
/
8
5
3
/
4
5
3
/
4
5
3
/
4
3
3
/
8
4
1
/
4
5
5
/
8
3
1
/
2
4
1
/
2
6
1
/
2
3
1
/
2
3
9
/
16
4
5
/
16
4
15
/
16
5
7
/
8
5
7
/
8
4
5
/
16
5
1
/
16
6
3
/
8
6
3
/
8
6
1
/
4
6
3
/
8
6
3
/
8
3
7
/
8
4
3
/
4
6
5
/
8
4 5
1
/
8
7
3
/
8
4 4
1
/
16
4
7
/
8
5
1
/
2
6
3
/
8
6
3
/
8
4
7
/
8
5
5
/
8
6
7
/
8
6
7
/
8
6
3
/
4
6
7
/
8
6
7
/
8
4
3
/
8
5
3
/
8
7 4
1
/
2
5
5
/
8
8
1
/
8
4
1
/
2
4
9
/
16
5
3
/
8
6 6
7
/
8
6
7
/
8
5
3
/
8
6
1
/
4
7
1
/
2
7
1
/
2
7
3
/
8
7
3
/
8
7
3
/
8
4
7
/
8
5
7
/
8
7
1
/
2
5 6
1
/
4
9
5 5
1
/
16
5
7
/
8
6
1
/
2
7
5
/
8
7
5
/
8
5
7
/
8
6
3
/
4
8
1
/
2
8
1
/
2
8
3
/
8
8
3
/
8
8
3
/
8
5
3
/
8
6
3
/
8
8
3
/
8
5
1
/
2
6
3
/
4
9
5
/
8
6 6
1
/
16
6
7
/
8
7
1
/
2
8
5
/
8
8
1
/
2
6
7
/
8
7
3
/
4
9
1
/
2
9
1
/
2
9
3
/
8
9
3
/
8
9
3
/
8
6
3
/
8
7
3
/
8
9
3
/
4
6
1
/
2
7
3
/
4
11
1
/
4
7 7
1
/
16
7
7
/
8
8
5
/
8
9
5
/
8
9
1
/
2
7
7
/
8
8
7
/
8
10
3
/
4
10
3
/
4
10
5
/
8
10
1
/
2
10
1
/
2
7
3
/
8
8
5
/
8
11
3
/
8
7
1
/
2
9 13
1
/
8
8 8
1
/
16
8
7
/
8
9
5
/
8
10
7
/
8
10
3
/
4
8
7
/
8
9
7
/
8
12 12 11
7
/
8
11
1
/
2
11
3
/
4
8
3
/
8
9
5
/
8
12
3
/
4
8
1
/
2
10 14
1
/
2
9 9
1
/
16
9
7
/
8
10
5
/
8
12
1
/
8
12 9
7
/
8
10
7
/
8
13
1
/
8
13
1
/
8
13 13 13 9
1
/
2
10
3
/
4
14
1
/
8
9
5
/
8
11
1
/
4
16
1
/
8
10 10
1
/
16
10
7
/
8
11
5
/
8
13
1
/
4
13
1
/
4
11 12 14
1
/
8
14
1
/
8
14 14 14
1
/
4
10
1
/
2
11
7
/
8
15
1
/
2
10
5
/
8
12
1
/
4
17
3
/
4
11 11
1
/
16
11
7
/
8
12
5
/
8
14
1
/
4
14
1
/
4
12 13 15
1
/
8
15
1
/
8
15 15
1
/
8
15
7
/
8
11
1
/
2
12
7
/
8
17
1
/
8
11
5
/
8
13
1
/
4
19
1
/
4
12 12
1
/
16
12
7
/
8
13
3
/
4
15
1
/
4
15
1
/
8
13 14
1
/
8
16
3
/
8
16
3
/
8
16
1
/
4
15
7
/
8
16
7
/
8
12
5
/
8
14 18
1
/
2
12
3
/
4
14
1
/
2
20
3
/
4
13 13
1
/
16
14
1
/
2
15
3
/
8
16
1
/
2
16
3
/
8
14
1
/
4
15
3
/
8
17
1
/
2
17
1
/
2
17
3
/
8
17
3
/
4
18
1
/
4
13
5
/
8
15
1
/
8
19
3
/
4
13
3
/
4
15
1
/
2
22
14 14
1
/
16
15
1
/
2
16
3
/
8
17
5
/
8
17
5
/
8
15
1
/
4
16
3
/
8
18
1
/
2
18
1
/
2
18
3
/
8
18
3
/
4
19
1
/
2
14
5
/
8
16
1
/
8
21
1
/
4
– –
–
15 15
1
/
16
16
1
/
2
17
3
/
8
18
5
/
8
18
5
/
8
16
1
/
4
17
3
/
8
19
1
/
2
19
1
/
2
19
3
/
8
20 20
1
/
2
15
3
/
4
17
1
/
4
22
7
/
8
– –
–
16 16
1
/
16
17
1
/
2
18
3
/
8
19
5
/
8
19
5
/
8
17
1
/
2
18
3
/
4
20
3
/
4
20
3
/
4
20
5
/
8
21 21
3
/
4
16
3
/
4
18
3
/
8
24
1
/
4
– –
–
17 17
1
/
16
18
5
/
8
19
5
/
8
20
7
/
8
20
3
/
4
18
1
/
2
19
7
/
8
22 22 21
7
/
8
22
1
/
4
22
3
/
4
– –
–
– –
–
18 18
1
/
16
19
5
/
8
20
5
/
8
22
1
/
8
22
1
/
8
19
1
/
2
20
7
/
8
22
7
/
8
22
7
/
8
22
3
/
4
24
3
/
8
25
1
/
8
– –
–
– –
–
19 19
1
/
16
20
5
/
8
21
5
/
8
23
1
/
8
23
1
/
8
20
5
/
8
22
1
/
8
24
1
/
8
24
1
/
8
24 -
-
-
-
-
-
-
-
20 20
1
/
16
21
5
/
8
22
5
/
8
24
3
/
8
24
3
/
8
21
5
/
8
23
1
/
8
25
3
/
8
25
3
/
8
25
1
/
4
26
1
/
2
27
1
/
4
-
-
-
-
-
-
21 21
1
/
16
22
5
/
8
23
3
/
4
25
5
/
8
25
1
/
2
22
5
/
8
24
3
/
8
26
3
/
8
26
3
/
8
26
1
/
4
-
-
-
-
-
-
-
-
22 22
1
/
16
23
5
/
8
24
3
/
4
26
1
/
2
26
1
/
2
23
5
/
8
25
3
/
8
27
3
/
8
27
3
/
8
27
1
/
4
28
3
/
4
29
3
/
4
-
-
-
-
-
-
23 23
1
/
16
24
5
/
8
25
3
/
4
27
1
/
2
27
1
/
2
24
5
/
8
26
3
/
8
28
1
/
2
28
1
/
2
28
3
/
8
– – – –
–
– –
–
24 24
1
/
16
25
5
/
8
26
3
/
4
28
3
/
4
28
5
/
8
25
5
/
8
27
3
/
8
29
1
/
2
29
1
/
2
29
3
/
8
– – – – –
– –
–
TABLE D & E
TABLE F to R
TABLE
F
TABLE
H
TABLE
J
TABLE S
CENTERING RING
TABLE T
SEALING
ELEMENT
CENTERING
RING
OUTSIDE DIAMETER
ID
OD
ID
ID
OD
OD
SEALING
ELEMENT
CENTERING
RING
SEALING
ELEMENT
20
STYLE CG & CGI
TO SUIT BS1O FLANGES
TABLE
11
NOTE:
Special gasket dimensions are required when an inner ring is fitted to gaskets for Tables S and T.
Please request details.
DIMENSIONS IN INCHES.
TABLE
D-R
TABLE
D
TABLE
E
OD
TABLE
K
TABLE
R
ID
OD
SEALING
ELEMENT
CENTERING
RING
OD
OD
OD
ID