Dimensions for Spiral Wound Semi-Metallic Gaskets [including Lamons Style WR (no inner ring) and WRI (with inner ring), ignore Inner Ring Dimension for Style WR]

|
|
Inner Ring |
Winding |
Guide Ring |
|
Nominal Pipe Size (NPS) |
Inside Diameter (in) |
Inside Diameter (in) |
Outside Diameter (in) |
Outside Diameter (in) |
Class 150 |
1/4 |
— |
0.50 |
0.88 |
1.75 |
1/2 |
0.56 |
0.75 |
1.25 |
1.88 |
3/4 |
0.81 |
1.00 |
1.56 |
2.25 |
1 |
1.06 |
1.25 |
1.88 |
2.63 |
1-1/4 |
1.50 |
1.88 |
2.38 |
3.00 |
1-1/2 |
1.75 |
2.13 |
2.75 |
3.38 |
2 |
2.19 |
2.75 |
3.38 |
4.13 |
2-1/2 |
2.62 |
3.25 |
3.88 |
4.88 |
3 |
3.19 |
4.00 |
4.75 |
5.38 |
3-1/2 |
3.50 |
4.50 |
5.25 |
6.38 |
4 |
4.19 |
5.00 |
5.88 |
6.88 |
5 |
5.19 |
6.13 |
7.00 |
7.75 |
6 |
6.19 |
7.19 |
8.25 |
8.75 |
8 |
8.50 |
9.19 |
10.38 |
11.00 |
10 |
10.56 |
11.31 |
12.50 |
13.38 |
12 |
12.50 |
13.38 |
14.75 |
16.13 |
14 |
13.75 |
14.63 |
16.00 |
17.75 |
16 |
15.75 |
16.63 |
18.25 |
20.25 |
18 |
17.69 |
18.69 |
20.75 |
21.63 |
20 |
19.69 |
20.69 |
22.75 |
23.88 |
24 |
23.75 |
24.75 |
27.00 |
28.25 |
Class 300 |
1/4 |
— |
0.50 |
0.88 |
1.75 |
1/2 |
0.56 |
0.75 |
1.25 |
2.13 |
3/4 |
0.81 |
1.00 |
1.56 |
2.63 |
1 |
1.06 |
1.25 |
1.88 |
2.88 |
1-1/4 |
1.50 |
1.88 |
2.38 |
3.25 |
1-1/2 |
1.75 |
2.13 |
2.75 |
3.75 |
2 |
2.19 |
2.75 |
3.38 |
4.38 |
2-1/2 |
2.62 |
3.25 |
3.88 |
5.13 |
3 |
3.19 |
4.00 |
4.75 |
5.88 |
3-1/2 |
3.50 |
4.50 |
5.25 |
6.50 |
4 |
4.19 |
5.00 |
5.88 |
7.13 |
5 |
5.19 |
6.13 |
7.00 |
8.50 |
6 |
6.19 |
7.19 |
8.25 |
9.88 |
8 |
8.50 |
9.19 |
10.38 |
12.13 |
10 |
10.56 |
11.31 |
12.50 |
14.25 |
12 |
12.50 |
13.38 |
14.75 |
16.63 |
14 |
13.75 |
14.63 |
16.00 |
19.13 |
16 |
15.75 |
16.63 |
18.25 |
21.25 |
18 |
17.69 |
18.69 |
20.75 |
23.50 |
20 |
19.69 |
20.69 |
22.75 |
25.75 |
24 |
23.75 |
24.75 |
27.00 |
30.50 |
Class 400 |
1/4 |
— |
0.50 |
0.88 |
1.75 |
1/2 |
0.56 |
0.75 |
1.25 |
2.13 |
3/4 |
0.81 |
1.00 |
1.56 |
2.63 |
1 |
1.06 |
1.25 |
1.88 |
2.88 |
1-1/4 |
1.50 |
1.88 |
2.38 |
3.25 |
1-1/2 |
1.75 |
2.13 |
2.75 |
3.75 |
2 |
2.19 |
2.75 |
3.38 |
4.38 |
2-1/2 |
2.62 |
3.25 |
3.88 |
5.13 |
3 |
3.19 |
4.00 |
4.75 |
5.88 |
3-1/2 |
3.50 |
4.13 |
5.25 |
6.38 |
4 |
4.04 |
4.75 |
5.88 |
7.00 |
5 |
5.05 |
5.81 |
7.00 |
8.38 |
6 |
6.10 |
6.88 |
8.25 |
9.75 |
8 |
8.10 |
8.88 |
10.38 |
12.00 |
10 |
10.05 |
10.81 |
12.50 |
14.13 |
12 |
12.10 |
12.88 |
14.75 |
16.50 |
14 |
13.50 |
14.25 |
16.00 |
19.00 |
16 |
15.35 |
16.25 |
18.25 |
21.13 |
18 |
17.25 |
18.50 |
20.75 |
23.38 |
20 |
19.25 |
20.50 |
22.75 |
25.50 |
24 |
23.25 |
24.75 |
27.00 |
30.25 |
Class 600 |
1/4 |
— |
0.50 |
0.88 |
1.75 |
1/2 |
0.56 |
0.75 |
1.25 |
2.13 |
3/4 |
0.81 |
1.00 |
1.56 |
2.63 |
1 |
1.06 |
1.25 |
1.88 |
2.88 |
1-1/4 |
1.50 |
1.88 |
2.38 |
3.25 |
1-1/2 |
1.75 |
2.13 |
2.75 |
3.75 |
2 |
2.19 |
2.75 |
3.38 |
4.38 |
2-1/2 |
2.62 |
3.25 |
3.88 |
5.13 |
3 |
3.19 |
4.00 |
4.75 |
5.88 |
3-1/2 |
3.50 |
4.13 |
5.25 |
6.38 |
4 |
4.04 |
4.75 |
5.88 |
7.63 |
5 |
5.05 |
5.81 |
7.00 |
9.50 |
6 |
6.10 |
6.88 |
8.25 |
10.50 |
8 |
8.10 |
8.88 |
10.38 |
12.63 |
10 |
10.05 |
10.81 |
12.50 |
15.75 |
12 |
12.10 |
12.88 |
14.75 |
18.00 |
14 |
13.50 |
14.25 |
16.00 |
19.13 |
16 |
15.75 |
16.63 |
18.25 |
19.38 |
18 |
17.25 |
18.50 |
20.75 |
24.13 |
20 |
19.25 |
20.50 |
22.75 |
26.88 |
24 |
23.25 |
24.75 |
27.00 |
31.13 |
Class 900 |
1/4 |
— |
— |
— |
— |
1/2 |
0.56 |
0.75 |
1.25 |
2.50 |
3/4 |
0.81 |
1.00 |
1.56 |
2.75 |
1 |
1.06 |
1.25 |
1.88 |
3.13 |
1-1/4 |
1.31 |
1.56 |
2.38 |
3.50 |
1-1/2 |
1.63 |
1.88 |
2.75 |
3.88 |
2 |
2.06 |
2.31 |
3.38 |
5.63 |
2-1/2 |
2.50 |
2.75 |
3.88 |
6.50 |
3 |
3.10 |
3.75 |
4.75 |
6.63 |
3-1/2 |
3.50 |
4.13 |
5.25 |
7.50 |
4 |
4.04 |
4.75 |
5.88 |
8.13 |
5 |
5.05 |
5.81 |
7.00 |
9.75 |
6 |
6.10 |
6.88 |
8.25 |
11.38 |
8 |
7.75 |
8.75 |
10.13 |
14.13 |
10 |
9.69 |
10.88 |
12.25 |
17.13 |
12 |
11.50 |
12.75 |
14.50 |
19.63 |
14 |
12.63 |
14.00 |
15.75 |
20.50 |
16 |
14.75 |
16.25 |
18.00 |
22.63 |
18 |
16.75 |
18.25 |
20.50 |
25.13 |
20 |
19.00 |
20.50 |
22.50 |
27.50 |
24 |
23.25 |
24.75 |
26.75 |
33.00 |
Class 1500 |
1/4 |
— |
— |
— |
— |
1/2 |
0.56 |
0.75 |
1.25 |
2.50 |
3/4 |
0.81 |
1.00 |
1.56 |
2.75 |
1 |
1.06 |
1.25 |
1.88 |
3.13 |
1-1/4 |
1.31 |
1.56 |
2.38 |
3.50 |
1-1/2 |
1.63 |
1.88 |
2.75 |
3.88 |
2 |
2.06 |
2.31 |
3.38 |
5.63 |
2-1/2 |
2.50 |
2.75 |
3.88 |
6.50 |
3 |
3.10 |
3.63 |
4.75 |
6.88 |
3-1/2 |
3.50 |
4.13 |
5.25 |
7.38 |
4 |
3.85 |
4.63 |
5.88 |
8.25 |
5 |
4.90 |
5.63 |
7.00 |
10.00 |
6 |
5.80 |
6.75 |
8.25 |
11.13 |
8 |
7.75 |
8.50 |
10.13 |
13.88 |
10 |
9.69 |
10.50 |
12.25 |
17.13 |
12 |
11.50 |
12.75 |
14.50 |
20.50 |
14 |
12.63 |
14.25 |
15.75 |
22.75 |
16 |
14.50 |
16.00 |
18.00 |
25.25 |
18 |
16.75 |
18.25 |
20.50 |
27.75 |
20 |
18.75 |
20.25 |
22.50 |
29.75 |
24 |
22.75 |
24.25 |
26.75 |
35.50 |
Class 2500 |
1/4 |
— |
— |
— |
— |
1/2 |
0.56 |
0.75 |
1.25 |
2.75 |
3/4 |
0.81 |
1.00 |
1.56 |
3.00 |
1 |
1.06 |
1.25 |
1.88 |
3.38 |
1-1/4 |
1.31 |
1.56 |
2.38 |
4.13 |
1-1/2 |
1.63 |
1.88 |
2.75 |
4.63 |
2 |
2.06 |
2.31 |
3.38 |
5.75 |
2-1/2 |
2.50 |
2.75 |
3.88 |
6.63 |
3 |
3.10 |
3.63 |
4.75 |
7.75 |
3-1/2 |
3.50 |
— |
— |
— |
4 |
3.85 |
4.63 |
5.88 |
9.25 |
5 |
4.90 |
5.63 |
7.00 |
11.00 |
6 |
5.80 |
6.75 |
8.25 |
12.50 |
8 |
7.75 |
8.50 |
10.13 |
15.25 |
10 |
9.69 |
10.63 |
12.25 |
18.75 |
12 |
11.50 |
12.50 |
14.50 |
21.63 |
|
Series A
|
|
Inner Ring |
Winding |
Guide Ring |
|
Nominal Pipe Size (NPS) |
Inside Diameter (in) |
Inside Diameter (in) |
Outside Diameter (in) |
Outside Diameter (in) |
Class 150 |
22 |
— |
22.75 |
24.00 |
26.00 |
26 |
25.75 |
26.50 |
27.75 |
30.50 |
28 |
27.75 |
28.50 |
29.75 |
32.75 |
30 |
29.75 |
30.50 |
31.75 |
34.75 |
32 |
31.75 |
32.50 |
33.88 |
37.00 |
34 |
33.75 |
34.50 |
35.88 |
39.00 |
36 |
35.75 |
36.50 |
38.13 |
41.25 |
38 |
37.75 |
38.50 |
40.13 |
43.75 |
40 |
39.75 |
40.50 |
42.13 |
45.75 |
42 |
41.75 |
42.50 |
44.25 |
48.00 |
44 |
43.75 |
44.50 |
46.38 |
50.25 |
46 |
45.75 |
46.50 |
48.38 |
52.25 |
48 |
47.75 |
48.50 |
50.38 |
54.50 |
50 |
49.75 |
50.50 |
52.50 |
56.50 |
52 |
51.75 |
52.50 |
54.50 |
58.75 |
54 |
53.50 |
54.50 |
56.50 |
61.00 |
56 |
55.50 |
56.50 |
58.50 |
63.25 |
58 |
57.50 |
58.50 |
60.50 |
65.50 |
60 |
59.50 |
60.50 |
62.50 |
67.50 |
Class 300 |
22 |
— |
22.75 |
24.75 |
27.75 |
26 |
25.75 |
27.00 |
29.00 |
32.88 |
28 |
27.75 |
29.00 |
31.00 |
35.38 |
30 |
29.75 |
31.25 |
33.25 |
37.50 |
32 |
31.75 |
33.50 |
35.50 |
39.63 |
34 |
33.75 |
35.50 |
37.50 |
41.63 |
36 |
35.75 |
37.63 |
39.63 |
44.00 |
38 |
37.50 |
38.50 |
40.00 |
41.50 |
40 |
39.50 |
40.25 |
42.13 |
43.88 |
42 |
41.50 |
42.25 |
44.13 |
45.88 |
44 |
43.50 |
44.50 |
46.50 |
48.00 |
46 |
45.38 |
46.38 |
48.38 |
50.13 |
48 |
47.63 |
48.63 |
50.63 |
52.13 |
50 |
49.00 |
51.00 |
53.00 |
54.25 |
52 |
52.00 |
53.00 |
55.00 |
56.25 |
54 |
53.25 |
55.25 |
57.25 |
58.75 |
56 |
55.25 |
57.25 |
59.25 |
60.75 |
58 |
57.00 |
59.50 |
61.50 |
62.75 |
60 |
60.00 |
61.50 |
63.50 |
64.75 |
Class 400 |
22 |
— |
22.75 |
24.75 |
27.63 |
26 |
26.00 |
27.00 |
29.00 |
32.75 |
28 |
28.00 |
29.00 |
31.00 |
35.13 |
30 |
29.75 |
31.25 |
33.25 |
37.25 |
32 |
32.00 |
33.50 |
35.50 |
39.50 |
34 |
34.00 |
35.50 |
37.50 |
41.50 |
36 |
36.13 |
37.63 |
39.63 |
44.00 |
38 |
37.50 |
38.25 |
40.25 |
42.25 |
40 |
39.38 |
40.38 |
42.38 |
44.38 |
42 |
41.38 |
42.38 |
44.38 |
46.38 |
44 |
43.50 |
44.50 |
46.50 |
48.50 |
46 |
46.00 |
47.00 |
49.00 |
50.75 |
48 |
47.50 |
49.00 |
52.00 |
53.00 |
50 |
49.50 |
51.00 |
53.00 |
55.25 |
52 |
51.50 |
53.00 |
55.00 |
57.25 |
54 |
53.25 |
55.25 |
57.25 |
59.75 |
56 |
55.25 |
57.25 |
59.25 |
61.75 |
58 |
57.25 |
59.25 |
61.25 |
63.75 |
60 |
59.75 |
61.75 |
63.75 |
66.25 |
Class 600 |
22 |
— |
22.75 |
24.75 |
28.88 |
26 |
25.50 |
27.00 |
29.00 |
34.13 |
28 |
27.50 |
29.00 |
31.00 |
36.00 |
30 |
29.75 |
31.25 |
33.25 |
38.25 |
32 |
32.00 |
33.50 |
35.50 |
40.25 |
34 |
34.00 |
35.50 |
37.50 |
42.25 |
36 |
36.13 |
37.63 |
39.63 |
44.50 |
38 |
37.50 |
39.00 |
41.00 |
43.50 |
40 |
39.75 |
41.25 |
43.25 |
45.50 |
42 |
42.00 |
43.50 |
45.50 |
48.00 |
44 |
43.75 |
45.75 |
47.75 |
50.00 |
46 |
45.75 |
47.75 |
49.75 |
52.25 |
48 |
48.00 |
50.00 |
52.00 |
54.75 |
50 |
50.00 |
52.00 |
54.00 |
57.00 |
52 |
52.00 |
54.00 |
56.00 |
59.00 |
54 |
54.25 |
56.25 |
58.25 |
61.25 |
56 |
56.25 |
58.25 |
60.25 |
63.50 |
58 |
58.00 |
60.50 |
62.50 |
65.50 |
60 |
60.25 |
62.75 |
64.75 |
68.25 |
Class 900 |
22 |
— |
24.25 |
27.00 |
33.00 |
26 |
26.00 |
27.00 |
29.00 |
34.75 |
28 |
28.00 |
29.00 |
31.00 |
37.25 |
30 |
30.25 |
31.25 |
33.25 |
39.75 |
32 |
32.00 |
33.50 |
35.50 |
42.25 |
34 |
34.00 |
35.50 |
37.50 |
44.75 |
36 |
36.25 |
37.75 |
39.75 |
47.25 |
38 |
39.75 |
40.75 |
42.75 |
47.25 |
40 |
41.75 |
43.25 |
45.25 |
49.25 |
42 |
43.75 |
45.25 |
47.25 |
51.25 |
44 |
45.50 |
47.50 |
49.50 |
53.88 |
46 |
48.00 |
50.00 |
52.00 |
56.50 |
48 |
50.00 |
52.00 |
54.00 |
58.50 |
|
Series B
|
|
Inner Ring |
Winding |
Guide Ring |
|
Nominal Pipe Size (NPS) |
Inside Diameter (in) |
Inside Diameter (in) |
Outside Diameter (in) |
Outside Diameter (in) |
Class 150 |
26 |
25.75 |
26.50 |
27.50 |
28.56 |
28 |
27.75 |
28.50 |
29.50 |
30.56 |
30 |
29.75 |
30.50 |
31.50 |
32.56 |
32 |
31.75 |
32.50 |
33.50 |
34.69 |
34 |
33.75 |
34.50 |
35.75 |
36.81 |
36 |
35.75 |
36.50 |
37.75 |
38.88 |
38 |
37.75 |
38.38 |
39.75 |
41.13 |
40 |
39.75 |
40.25 |
41.88 |
43.13 |
42 |
41.75 |
42.50 |
43.88 |
45.13 |
44 |
43.75 |
44.25 |
45.88 |
47.13 |
46 |
45.75 |
46.50 |
48.19 |
49.44 |
48 |
47.75 |
48.50 |
50.00 |
51.44 |
50 |
49.75 |
50.50 |
52.19 |
53.44 |
52 |
51.75 |
52.50 |
54.19 |
55.44 |
54 |
53.75 |
54.50 |
56.00 |
57.63 |
56 |
56.00 |
56.88 |
58.19 |
59.63 |
58 |
58.19 |
59.08 |
60.19 |
62.19 |
60 |
60.44 |
61.31 |
62.44 |
64.19 |
Class 300 |
26 |
25.75 |
26.50 |
28.00 |
30.38 |
28 |
27.75 |
28.50 |
30.00 |
32.50 |
30 |
29.75 |
30.50 |
32.00 |
34.88 |
32 |
31.75 |
32.50 |
34.00 |
37.00 |
34 |
33.75 |
34.50 |
36.00 |
39.13 |
36 |
35.75 |
36.50 |
38.00 |
41.25 |
38 |
38.25 |
39.75 |
41.25 |
43.25 |
40 |
40.25 |
41.75 |
43.25 |
45.25 |
42 |
42.75 |
43.75 |
45.25 |
47.25 |
44 |
44.25 |
45.75 |
47.25 |
49.25 |
46 |
46.38 |
47.88 |
N/A |
51.88 |
48 |
45.50 |
49.75 |
51.63 |
53.88 |
50 |
49.88 |
51.88 |
53.38 |
55.88 |
52 |
51.88 |
53.88 |
55.38 |
57.88 |
54 |
53.75 |
55.25 |
57.25 |
60.25 |
56 |
56.25 |
58.25 |
60.00 |
62.75 |
58 |
58.44 |
60.44 |
61.94 |
65.19 |
60 |
61.31 |
62.56 |
64.19 |
67.19 |
Class 400 |
26 |
25.75 |
26.25 |
27.50 |
29.38 |
28 |
27.63 |
28.13 |
29.50 |
31.50 |
30 |
29.63 |
30.13 |
31.75 |
33.75 |
32 |
31.50 |
32.00 |
33.88 |
35.88 |
34 |
33.50 |
34.13 |
35.88 |
37.88 |
36 |
35.38 |
36.13 |
38.00 |
40.25 |
38 |
37.50 |
38.25 |
40.25 |
42.25 |
40 |
39.38 |
40.38 |
42.38 |
44.38 |
42 |
41.38 |
42.38 |
44.38 |
46.38 |
44 |
43.50 |
44.50 |
46.50 |
48.50 |
46 |
46.00 |
47.00 |
49.00 |
50.75 |
48 |
47.50 |
49.00 |
51.00 |
53.00 |
50 |
49.50 |
51.00 |
53.00 |
55.25 |
52 |
51.50 |
53.00 |
55.00 |
57.25 |
54 |
53.25 |
55.25 |
57.25 |
59.75 |
56 |
55.25 |
57.25 |
59.25 |
61.75 |
58 |
57.25 |
59.25 |
61.25 |
63.75 |
60 |
59.75 |
61.75 |
63.75 |
66.25 |
Class 600 |
26 |
25.38 |
26.13 |
28.13 |
30.13 |
28 |
27.00 |
27.75 |
29.75 |
32.25 |
30 |
29.63 |
30.63 |
32.63 |
34.63 |
32 |
31.25 |
32.75 |
34.75 |
36.75 |
34 |
33.50 |
35.00 |
37.00 |
39.25 |
36 |
35.50 |
37.00 |
39.00 |
41.25 |
38 |
37.50 |
39.00 |
41.00 |
43.50 |
40 |
39.75 |
41.25 |
43.25 |
45.50 |
42 |
42.00 |
43.50 |
45.50 |
48.00 |
44 |
43.75 |
45.75 |
47.75 |
50.00 |
46 |
45.75 |
47.75 |
49.75 |
52.25 |
48 |
48.00 |
50.00 |
52.00 |
54.75 |
50 |
50.00 |
52.00 |
54.00 |
57.00 |
52 |
52.00 |
54.00 |
56.00 |
59.00 |
54 |
54.25 |
56.25 |
58.25 |
61.25 |
56 |
56.25 |
58.25 |
60.25 |
63.50 |
58 |
58.00 |
60.50 |
62.50 |
65.50 |
60 |
60.25 |
62.75 |
64.75 |
68.25 |
Class 900 |
26 |
26.25 |
27.25 |
29.50 |
33.00 |
28 |
28.25 |
29.25 |
31.50 |
35.50 |
30 |
30.75 |
31.75 |
33.75 |
37.75 |
32 |
33.00 |
34.00 |
36.00 |
40.00 |
34 |
35.25 |
36.25 |
38.25 |
42.25 |
36 |
36.25 |
37.25 |
39.25 |
44.25 |
38 |
39.75 |
40.75 |
42.75 |
47.25 |
40 |
41.75 |
43.25 |
45.25 |
49.25 |
42 |
43.75 |
45.25 |
47.25 |
51.25 |
44 |
45.50 |
47.50 |
49.50 |
53.88 |
46 |
48.00 |
50.00 |
52.00 |
56.50 |
48 |
50.00 |
52.00 |
54.00 |
58.50 |
|