Page 144 - GarlockFluidSealing2010

D-26
Inner Sealing Element Outer
Size Ring Ring
NPS Inside (A) Inside (B) Outside (C) Outside (D)
Diameter Diameter Diameter Diameter
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
Inner Sealing Element Outer
Size Ring Ring
NPS Inside (A) Inside (B) Outside (C) Outside (D)
Diameter Diameter Diameter Diameter
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 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
Inner Sealing Element Outer
Size Ring Ring
NPS Inside (A) Inside (B) Outside (C) Outside (D)
Diameter Diameter Diameter Diameter
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
" Sealing Element I.D.
# Sealing Element O.D.
$ Centering (Outer) Ring O.D.
ASME B16.20 Gaskets for
ASME B16.47 Series A Flanges
(MSS SP-44)
Class 150
Class 300 Class 400
Styles RW, RWI Dimensions
22-60" Series A Flanges
3. The gasket outside diameter tolerance for NPS 26 through NPS 60 is
±0.06".
4. The centering ring outside diameter tolerance is ±0.03".
5. There are no Class 900 fanges in NPS 50 and larger.
Notes:
1. Inner rings are required for all PTFE gaskets and for Class 900 gas-
kets, NPS 26 though NPS 48 (see ASME B16.20 code, 3.2.5).
2. The gasket inside diameter tolerance for NPS 26 through NPS 34 is
±0.03"; for NPS 36 through NPS 60 is ±0.05".