Home / Dimensions for Non-Metallic Gaskets

 

 

Dimensions for Non-Metallic Gaskets (including L441, Garlock, Flexible Graphite, Rubber, and Neoprene)

Ring Type

 

 

Nominal Pipe Size (NPS) Inside Diameter (in) Outside Diameter (in)
Class 150 1/2 0.84 1.88
3/4 1.06 2.25
1 1.31 2.62
1-1/4 1.66 3.00
1-1/2 1.91 3.38
2 2.38 4.12
2-1/2 2.88 4.88
3 3.50 5.38
3-1/2 4.00 6.38
4 4.50 6.88
5 5.56 7.75
6 6.62 8.75
8 8.62 11.00
10 10.75 13.38
12 12.75 16.13
14 14.00 17.75
16 16.00 20.25
18 18.00 21.62
20 20.00 23.88
24 24.00 28.25
Class 300 1/2 0.84 2.12
3/4 1.06 2.62
1 1.31 2.88
1-1/4 1.66 3.25
1-1/2 1.91 3.75
2 2.38 4.38
2-1/2 2.88 5.12
3 3.50 5.88
3-1/2 4.00 6.50
4 4.50 7.12
5 5.56 8.50
6 6.62 9.88
8 8.62 12.12
10 10.75 14.25
12 12.75 16.62
14 14.00 19.12
16 16.00 21.25
18 18.00 23.50
20 20.00 25.75
24 24.00 30.50
Class 400 1/2 0.84 2.12
3/4 1.06 2.62
1 1.31 2.88
1-1/4 1.66 3.25
1-1/2 1.91 3.75
2 2.38 4.38
2-1/2 2.88 5.12
3 3.50 5.88
3-1/2 4.00 6.38
4 4.50 7.00
5 5.56 8.38
6 6.62 9.75
8 8.62 12.00
10 10.75 14.12
12 12.75 16.50
14 14.00 19.00
16 16.00 21.12
18 18.00 23.38
20 20.00 25.50
24 24.00 30.25
Class 600 1/2 0.84 2.12
3/4 1.06 2.62
1 1.31 2.88
1-1/4 1.66 3.25
1-1/2 1.91 3.75
2 2.38 4.38
2-1/2 2.88 5.12
3 3.50 5.88
3-1/2 4.00 6.38
4 4.50 7.62
5 5.56 9.50
6 6.62 10.50
8 8.62 12.62
10 10.75 15.75
12 12.75 18.00
14 14.00 19.38
16 16.00 22.25
18 18.00 24.12
20 20.00 26.88
24 24.00 31.12
Class 900 1/2 0.84 2.50
3/4 1.06 2.75
1 1.31 3.12
1-1/4 1.66 3.50
1-1/2 1.91 3.88
2 2.38 5.62
2-1/2 2.88 6.50
3 3.50 6.62
3-1/2 - -
4 4.50 8.12
5 5.56 9.75
6 6.62 11.38
8 8.62 14.12
10 10.75 17.12
12 12.75 19.62
14 14.00 20.50
16 16.00 22.62
18 18.00 25.12
20 20.00 27.50
24 24.00 33.00

Full Face

Nominal Pipe Size (NPS) Inside Diameter (in) Outside Diameter (in) No. of Bolt Holes Bolt Hole Diameter (in) Bolt Circle Diameter (in)
Class 150 1/2 0.84 3.50 4 0.62 2.38
3/4 1.06 3.88 4 0.62 2.75
1 1.31 4.25 4 0.62 3.12
1-1/4 1.66 4.63 4 0.62 3.50
1-1/2 1.91 5.00 4 0.62 3.88
2 2.38 6.00 4 0.75 4.75
2-1/2 2.88 7.00 4 0.75 5.50
3 3.50 7.50 4 0.75 6.00
3-1/2 4.00 8.50 8 0.75 7.00
4 4.50 9.00 8 0.75 7.50
5 5.56 10.00 8 0.88 8.50
6 6.62 11.00 8 0.88 9.50
8 8.62 13.50 8 0.88 11.75
10 10.75 16.00 12 1.00 14.25
12 12.75 19.00 12 1.00 17.00
14 14.00 21.00 12 1.12 18.75
16 16.00 23.50 16 1.12 21.25
18 18.00 25.00 16 1.25 22.75
20 20.00 27.50 20 1.25 25.00
24 24.00 32.00 20 1.38 29.50
Class 300 1/2 0.84 3.75 4 0.63 2.63
3/4 1.06 4.62 4 0.75 3.25
1 1.31 4.88 4 0.75 3.50
1-1/4 1.66 5.25 4 0.75 3.88
1-1/2 1.91 6.12 4 0.88 4.50
2 2.38 6.50 8 0.75 5.00
2-1/2 2.88 7.50 8 0.88 5.88
3 3.50 8.25 8 0.88 6.63
3-1/2 4.00 9.00 8 0.88 7.25
4 4.50 10.00 8 0.88 7.88
5 5.56 11.00 8 0.88 9.25
6 6.62 12.50 12 0.88 10.63
8 8.62 15.00 12 1.00 13.00
10 10.75 17.50 16 1.13 15.25
12 12.75 20.50 16 1.25 17.75
14 14.00 23.00 20 1.25 20.25
16 16.00 25.50 20 1.38 22.50
18 18.00 28.00 24 1.38 24.75
20 20.00 30.50 24 1.38 27.00
24 24.00 36.00 24 1.63 32.00
Class 400 1/2 0.84 3.75 4 0.63 2.62
3/4 1.06 4.63 4 0.75 3.25
1 1.31 4.88 4 0.75 3.50
1-1/4 1.66 5.25 4 0.75 3.88
1-1/2 1.91 6.13 4 0.88 4.50
2 2.38 6.50 8 0.75 5.00
2-1/2 2.88 7.50 8 0.88 5.88
3 3.50 8.25 8 0.88 6.63
3-1/2 4.00 9.00 8 1.00 7.25
4 4.50 10.00 8 1.00 7.88
5 5.56 11.00 8 1.00 9.25
6 6.62 12.50 12 1.00 10.63
8 8.62 15.00 12 1.13 13.00
10 10.75 17.50 16 1.25 15.25
12 12.75 20.50 16 1.38 17.75
14 14.00 23.00 20 1.38 20.25
16 16.00 25.50 20 1.50 22.50
18 18.00 28.00 24 1.50 24.75
20 20.00 30.50 24 1.63 27.00
24 24.00 36.00 24 1.88 32.00
Class 600 1/2 0.84 3.75 4 0.63 2.63
3/4 1.06 4.63 4 0.75 3.25
1 1.31 4.88 4 0.75 3.50
1-1/4 1.66 5.25 4 0.75 3.88
1-1/2 1.91 6.13 4 0.88 4.50
2 2.38 6.50 8 0.75 5.00
2-1/2 2.88 7.50 8 0.88 5.88
3 3.50 8.25 8 0.88 6.63
3-1/2 4.00 9.00 8 1.00 7.25
4 4.50 10.75 8 1.00 8.50
5 5.56 13.00 8 1.13 10.50
6 6.62 14.00 12 1.13 11.50
8 8.62 16.50 12 1.25 13.75
10 10.75 20.00 16 1.38 17.00
12 12.75 22.00 20 1.38 19.25
14 14.00 23.75 20 1.50 20.75
16 16.00 27.00 20 1.63 23.75
18 18.00 29.25 20 1.75 25.75
20 20.00 32.00 24 1.75 28.50
24 24.00 37.00 24 2.00 33.00
Class 900 1/2 0.84 4.75 4 0.88 3.25
3/4 1.06 5.13 4 0.88 3.50
1 1.31 5.88 4 1.00 4.00
1-1/4 1.66 6.25 4 1.00 4.38
1-1/2 1.91 7.00 4 1.13 4.88
2 2.38 8.50 8 1.00 6.50
2-1/2 2.88 9.63 8 1.13 7.50
3 3.50 9.50 8 1.00 7.50
3-1/2 4.00 11.50 - - -
4 4.50 11.50 8 1.25 9.25
5 5.56 13.75 8 1.38 11.00
6 6.62 15.00 12 1.25 12.50
8 8.62 18.50 12 1.50 15.50
10 10.75 21.50 16 1.50 18.50
12 12.75 24.00 20 1.50 21.00
14 14.00 25.25 20 1.63 22.00
16 16.00 27.75 20 1.75 24.25
18 18.00 31.00 20 2.00 27.00
20 20.00 33.75 20 2.13 29.50
24 24.00 41.00 20 2.63 35.50