Page 142 - GarlockFluidSealing2010

D-24
Inner Sealing Element Outer
Size Ring Ring
NPS Inside (A) Inside (B) Outside (C) Outside (D)
Diameter Diameter Diameter Diameter
1/2* — 0.75 1.25 2.50
3/4* — 1.00 1.56 2.75
1* — 1.25 1.88 3.13
1-1/4* — 1.56 2.38 3.50
1-1/2* — 1.88 2.75 3.88
2* — 2.31 3.38 5.63
2-1/2* — 2.75 3.88 6.50
3 3.10 3.75 4.75 6.63
3-1/2* — 4.13 5.25 7.50
4 4.04 4.75 5.88 8.13
4-1/2* — 5.31 6.50 9.38
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 (5) 24.75 26.75 33.00
Inner Sealing Element Outer
Size Ring Ring
NPS Inside (A) Inside (B) Outside (C) Outside (D)
Diameter Diameter Diameter Diameter
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* — 4.13 5.25 6.38
4 4.04 4.75 5.88 7.63
4-1/2* — 5.31 6.50 8.25
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 19.38
16 15.35 16.25 18.25 22.25
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
Inner Sealing Element Outer
Size Ring Ring
NPS Inside (A) Inside (B) Outside (C) Outside (D)
Diameter Diameter Diameter Diameter
1/4* — 0.50 0.88 1.75
1/2* — 0.75 1.25 2.13
3/4* — 1.00 1.56 2.63
1* — 1.25 1.88 2.88
1-1/4* — 1.88 2.38 3.25
1-1/2* — 2.13 2.75 3.75
2* — 2.75 3.38 4.38
2-1/2* — 3.25 3.88 5.13
3* — 4.00 4.75 5.88
3-1/2* — 4.13 5.25 6.38
4 4.04 4.75 5.88 7.00
4-1/2* — 5.31 6.50 7.63
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 400 Class 600
Class 900 * ASME B16.20 does not include dimensions for NPS 1/4, 3-1/2 or
4-1/2,
or Class 400 fanges up to NPS 3 and Class 900 fanges up to
NPS 2-1/2. Dimensions in inches.
Styles RW, RWI Dimensions
1/4" to 24" Flanges
Notes:
1. Inner rings are required for all PTFE gaskets and for Class 900
gaskets, NPS 24; Class 1500 gaskets, NPS 12 through NPS 24;
and Class 2500 gaskets, NPS 4 through NPS 12 (see ASME B16.20
code, 3.2.5).
2. The gasket outside diameter tolerance for NPS 1/2 through NPS 8 is
±0.03"; for NPS 10 through NPS 24, +0.06", –0.03".
3. The gasket inside diameter tolerance for NPS 1/2 through NPS 8 is
±0.016"; for NPS 10 through NPS 24, ±0.03".
4. The centering ring outside diameter tolerance is ±0.03".
5. There are no Class 400 fanges in NPS 1/2 through NPS 3 (use Class
600), Class 900 fanges in NPS 1/2 through NPS 2-1/2 (use Class
1500), or Class 2500 fanges NPS 14 and larger.