GASKETS – CG – CGI DIMENSIONS IN ACCORDANCE WITH ASME B16.20

CG – CGI DIMENSIONS IN ACCORDANCE WITH ASME B16.20

    150 lb           300 lb    
SIZE INNER RING WINDING   OUTER RING   SIZE INNER RING WINDING   OUTER RING
NPS ID ID OD OD   NPS ID ID OD OD
1/4″ 0.50 0.88 1.75   1/4″ 0.50 0.88 1.75
1/2″ 0.56 0.75 1.25 1.88   1/2″ 0.56 0.75 1.25 2.13
3/4″ 0.81 1.00 1.56 2.25   3/4″ 0.81 1.00 1.56 2.63
1″ 1.06 1.25 1.88 2.63   1″ 1.06 1.25 1.88 2.88
1-1/4″ 1.50 1.88 2.38 3.00   1-1/4″ 1.50 1.88 2.38 3.25
1-1/2″ 1.75 2.13 2.75 3.38   1-1/2″ 1.75 2.13 2.75 3.75
2″ 2.19 2.75 3.38 4.13   2″ 2.19 2.75 3.38 4.38
2-1/2″ 2.62 3.25 3.88 4.88   2-1/2″ 2.62 3.25 3.88 5.13
3″ 3.19 4.00 4.75 5.38   3″ 3.19 4.00 4.75 5.88
3-1/2″ 3.98 4.50 5.25 6.38   3-1/2″ 3.98 4.50 5.25 6.50
4″ 4.19 5.00 5.88 6.88   4″ 4.19 5.00 5.88 7.13
5″ 5.19 6.13 7.00 7.75   5″ 5.19 6.13 7.00 8.50
6″ 6.19 7.19 8.25 8.75   6″ 6.19 7.19 8.25 9.88
8″ 8.50 9.19 10.38 11.00   8″ 8.50 9.19 10.38 12.13
10″ 10.56 11.31 12.50 13.38   10″ 10.56 11.31 12.50 14.25
12″ 12.50 13.38 14.75 16.13   12″ 12.50 13.38 14.75 16.63
14″ 13.75 14.63 16.00 17.75   14″ 13.75 14.63 16.00 19.13
16″ 15.75 16.63 18.25 20.25   16″ 15.75 16.63 18.25 21.25
18″ 17.69 18.69 20.75 21.63   18″ 17.69 18.69 20.75 23.50
20″ 19.69 20.69 22.75 23.88   20″ 19.69 20.69 22.75 25.75
24″ 23.75 24.75 27.00 28.25   24″ 23.75 24.75 27.00 30.50
                     
    400 lb           600 lb    
SIZE INNER RING WINDING   OUTER RING   SIZE INNER RING WINDING   OUTER RING
NPS ID ID OD OD   NPS ID ID OD OD
1/4″ 0.50 0.88 1.75   1/4″ 0.50 0.88 1.75
1/2″ 0.56 0.75 1.25 2.13   1/2″ 0.56 0.75 1.25 2.13
3/4″ 0.81 1.00 1.56 2.63   3/4″ 0.81 1.00 1.56 2.63
1″ 1.06 1.25 1.88 2.88   1″ 1.06 1.25 1.88 2.88
1-1/4″ 1.50 1.88 2.38 3.25   1-1/4″ 1.50 1.88 2.38 3.25
1-1/2″ 1.75 2.13 2.75 3.75   1-1/2″ 1.75 2.13 2.75 3.75
2″ 2.19 2.75 3.38 4.38   2″ 2.19 2.75 3.38 4.38
2-1/2″ 2.62 3.25 3.88 5.13   2-1/2″ 2.62 3.25 3.88 5.13
3″ 3.19 4.00 4.75 5.88   3″ 3.19 4.00 4.75 5.88
3-1/2″ 3.60 4.13 5.25 6.38   3-1/2″ 3.60 4.13 5.25 6.38
4″ 4.04 4.75 5.88 7.00   4″ 4.04 4.75 5.88 7.63
5″ 5.05 5.81 7.00 8.38   5″ 5.05 5.81 7.00 9.50
6″ 6.10 6.88 8.25 9.75   6″ 6.10 6.88 8.25 10.50
8″ 8.10 8.88 10.38 12.00   8″ 8.10 8.88 10.38 12.63
10″ 10.05 10.81 12.5 14.13   10″ 10.05 10.81 12.50 15.75
12″ 12.10 12.88 14.75 16.50   12″ 12.10 12.88 14.75 18.00
14″ 13.50 14.25 16.00 19.00   14″ 13.50 14.25 16.00 19.38
16″ 15.35 16.25 18.25 21.13   16″ 15.35 16.25 18.25 22.25
18″ 17.25 18.50 20.75 23.38   18″ 17.25 18.50 20.75 24.13
20″ 19.25 20.50 22.75 25.50   20″ 19.25 20.50 22.75 26.88
24″ 23.75 24.75 27.00 30.25   24″ 23.75 24.75 27.00 31.13
                     
    900 lb           1500 lb    
SIZE INNER RING WINDING   OUTER RING   SIZE INNER RING WINDING   OUTER RING
NPS ID ID OD OD   NPS ID ID OD OD
1/2″ 0.56 0.75 1.25 2.50   1/2″ 0.56 0.75 1.25 2.50
3/4″ 0.81 1.00 1.56 2.75   3/4″ 0.81 1.00 1.56 2.75
1″ 1.06 1.25 1.88 3.13   1″ 1.06 1.25 1.88 3.13
1-1/4″ 1.31 1.56 2.38 3.50   1-1/4″ 1.31 1.56 2.38 3.50
1-1/2″ 1.63 1.88 2.75 3.88   1-1/2″ 1.63 1.88 2.75 3.88
2″ 2.06 2.31 3.38 5.63   2″ 2.06 2.31 3.38 5.63
2-1/2″ 2.50 2.75 3.88 6.50   2-1/2″ 2.50 2.75 3.88 6.50
3″ 3.10 3.75 4.75 6.63   3″ 3.10 3.63 4.75 6.88
3-1/2″ 3.50 4.13 5.25 7.50   3-1/2″ 3.50 4.13 5.25 7.38
4″ 4.04 4.75 5.88 8.13   4″ 3.85 4.63 5.88 8.25
5″ 5.05 5.81 7.00 9.75   5″ 4.9 5.63 7.00 10.00
6″ 6.10 6.88 8.25 11.38   6″ 5.80 6.75 8.25 11.13
8″ 7.75 8.75 10.13 14.13   8″ 7.75 8.5 10.13 13.88
10″ 9.69 10.88 12.25 17.13   10″ 9.69 10.5 12.25 17.13
12″ 11.50 12.75 14.50 19.63   12″ 11.50 12.75 14.50 20.50
14″ 12.63 14.00 15.75 20.50   14″ 12.63 14.25 15.75 22.75
16″ 14.75 16.25 18.00 22.63   16″ 14.5 16 18.00 25.25
18″ 16.75 18.25 20.50 25.13   18″ 16.75 18.25 20.50 27.75
20″ 19.00 20.50 22.50 27.50   20″ 18.75 20.25 22.50 29.75
24″ 23.75 24.75 26.75 33.00   24″ 22.75 24.25 26.75 35.50
    2500 lb    
SIZE INNER RING WINDING   OUTER RING
NPS ID ID OD OD
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
4″ 3.85 4.63 5.88 9.25
5″ 4.9 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 12.5 14.50 21.63

Tolerances:
Thickness = + 0.005″ : Please note the nominal thickness of 0.175″
is measured across the metal winding, NOT over the graphite.
Inner & Outer Rings = 0.117″ to 0.131″
Winding OD:
NPS 1/2″ through NPS 8″ = + 0.03″
NPS 10″ through NPS 24″ = + 0.03″ / -0.03″
Winding ID:
NPS 1/2″ through NPS 8″ = + 0.016″
NPS 10″ through NPS 24″ = + 0.03″
Outer Ring:
All NPS = + 0.03″
Inner Ring ID:
NPS 1/2″ through NPS 3″ = + 0.03″
NPS 10″ through NPS 24″ = + 0.06″