Page 17 - FlexitallicCatalog2010

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18
STYLE CG & CGI TO BS3381
TO SUIT BS1560 & ASME B16.5 FLANGES
TABLE
9
*These gasket dimensions are not suitable for use with threaded or slip on flanges.
See Table 4 for special sizes.
In accordance with BS 3381 all class 900, 1500 ond 2500 gaskets and all gaskets containing PTFE filler material shall have an
inner ring.
DIMENSIONS IN INCHES.
INNER
RING
Nominal
Pipe Size
1
/
4
–
1
/
2
*
7
/
8
1
3
/
4
1
/
2
*
7
/
8
1
3
/
4
1
3
/
4
1
3
/
4
–
–
–
–
–
1
/
2
9
/
16
3
/
4
*
1
1
/
4
1
7
/
8
3
/
4
* 1
1
/
4
2
1
/
8
2
1
/
8
2
1
/
8
2
1
/
2
2
1
/
2
3
/
4
1
1
/
4
2
3
/
4
3
/
4
13
/
16
1
1
/
16
* 1
9
/
16
2
1
/
4
1* 1
9
/
16
2
5
/
8
2
5
/
8
2
5
/
8
2
3
/
4
2
3
/
4
1 1
9
/
16
3
1 1
1
/
16
1
5
/
16
* 1
7
/
8
2
5
/
8
1
1
/
4
1
7
/
8
2
7
/
8
2
7
/
8
2
7
/
8
3
1
/
8
3
1
/
8
1
1
/
4
1
7
/
8
3
3
/
8
1
1
/
4
1
3
/
8
1
13
/
16
* 2
3
/
8
3 1
3
/
4
2
3
/
8
3
1
/
4
3
1
/
4
3
1
/
4
3
1
/
2
3
1
/
2
1
9
/
16
2
3
/
8
4
1
/
8
1
1
/
2
1
5
/
8
2
1
/
8
2
3
/
4
3
3
/
8
2*
2
3
/
4
3
3
/
4
3
3
/
4
3
3
/
4
3
7
/
8
3
7
/
8
1
7
/
8
2
3
/
4
4
5
/
8
2 2
1
/
16
2
3
/
4
3
3
/
8
4
1
/
8
2
5
/
8
3
3
/
8
4
3
/
8
4
3
/
8
4
3
/
8
5
5
/
8
5
5
/
8
2
5
/
16
3
3
/
8
5
3
/
4
2
1
/
2
2
1
/
2
3
1
/
4
3
7
/
8
4
7
/
8
3
1
/
8
3
7
/
8
5
1
/
8
5
1
/
8
5
1
/
8
6
1
/
2
6
1
/
2
2
3
/
4
3
7
/
8
6
5
/
8
3 3
1
/
16
4 4
3
/
4
5
3
/
8
3
3
/
4
4
3
/
4
5
7
/
8
5
7
/
8
5
7
/
8
6
5
/
8
6
7
/
8
3
5
/
8
4
3
/
4
7
3
/
4
3
1
/
2
3
9
/
16
4
1
/
2
5
1
/
4
6
3
/
8
4
1
/
4
5
1
/
4
6
1
/
2
6
3
/
8
6
3
/
8
–
–
–
–
–
4 4
1
/
16
5 5
7
/
8
6
7
/
8
4
3
/
4
5
7
/
8
7
1
/
8
7 7
5
/
8
8
1
/
8
8
1
/
4
4
3
/
4
5
7
/
8
9
1
/
4
4
1
/
2
4
9
/
16
5
9
/
16
6
1
/
2
7 5
5
/
16
6
1
/
2
7
3
/
4
–
–
–
–
–
–
–
5 5
1
/
16
6
1
/
16
7 7
3
/
4
5
13
/
16
7 8
1
/
2
8
3
/
8
9
1
/
2
9
3
/
4
10 5
13
/
16
7 11
6 6
1
/
16
7
1
/
8
8
1
/
4
8
3
/
4
6
7
/
8
8
1
/
4
9
7
/
8
9
3
/
4
10
1
/
2
11
3
/
8
11
1
/
8
6
7
/
8
8
1
/
4
12
1
/
2
8
8 9
1
/
8
10
3
/
8
11 8
7
/
8
10
3
/
8
12
1
/
8
12 12
5
/
8
14
1
/
8
13
7
/
8
8
7
/
8
10
3
/
8
15
1
/
4
10 10 11
5
/
16
12
1
/
2
13
3
/
8
11
1
/
16
12
1
/
2
14
1
/
4
14
1
/
8
15
3
/
4
17
1
/
8
17
1
/
8
11
1
/
16
12
1
/
2
18
3
/
4
12 11
15
/
16
13
3
/
8
14
3
/
4
16
1
/
8
13
1
/
8
14
3
/
4
16
5
/
8
16
1
/
2
18 19
5
/
8
20
1
/
2
13
1
/
8
14
3
/
4
21
5
/
8
14 13
1
/
2
14
5
/
8
16 17
3
/
4
14
3
/
8
16 19
1
/
8
19 19
3
/
8
20
1
/
2
22
3
/
4
–
–
–
16 15
1
/
2
16
5
/
8
18
1
/
4
20
1
/
4
16
3
/
8
18
1
/
4
21
1
/
4
21
1
/
8
22
1
/
4
22
5
/
8
25
1
/
4
–
–
–
18 17
1
/
2
18
3
/
4
20
3
/
4
21
5
/
8
18
1
/
2
20
3
/
4
23
1
/
2
23
3
/
8
24
1
/
8
25
1
/
8
27
3
/
4
–
–
–
20 19
1
/
2
20
3
/
4
22
3
/
4
23
7
/
8
20
1
/
2
22
3
/
4
25
3
/
4
25
1
/
2
26
7
/
8
27
1
/
2
29
3
/
4
–
–
–
24 23
1
/
2
24
7
/
8
27 28
1
/
4
24
5
/
8
27 30
1
/
2
30
1
/
4
31
1
/
8
33 35
1
/
2
–
–
–
CLASS 150
CLASS 300 to 1500
CLASS
300
CLASS
400
CLASS
600
CLASS
900
CLASS
1500
CENTERING RING
CLASS 2500
SEALING
ELEMENT
CENTERING
RING
OUTSIDE
DIA.
INSIDE
DIA.
OUTSIDE
DIA.
OUTSIDE DIAMETER
INSIDE
DIA.
OUTSIDE
DIA.
INSIDE
DIA.
INSIDE
DIA.
OUTSIDE
DIA.
OUTSIDE
DIA.
SEALING
ELEMENT
CENTERING
RING
SEALING
ELEMENT