Catalogue Metallic Gasket Catalog
www.garlock.com
print switch display
Page / 49
Where to buy
this product ?		 Request
a Quote
Garlock -
/ 49
See other catalogues for Garlock
Text version of the page
Styles RW, RWI Dimensions 26-60" Series B Flanges
ASME B16.20 Gaskets for ASME B16.47 Series B Flanges (API-605)
Class 75
Large Diameter Weld Neck Flanges
Size NPS
Sealing Element
Outer Ring
Inside (B) Diameter
Outside (C) Diameter
Outside (D) Diameter
26
26.25
27.00
27.88
28
28.25
29.13
29.88
30
30.25
31.13
31.88
32
32.25
33.13
33.88
34
34.25
35.13
35.88
36
36.25
37.25
38.31
38
38.25
39.31
40.31
40
40.25
41.31
42.31
42
42.25
43.25
44.31
44
44.25
45.50
46.50
46
46.25
47.50
48.50
48
48.38
49.50
50.50
50
50.25
51.50
52.50
52
52.38
53.63
54.63
54
54.38
55.63
56.63
56
56.50
57.88
58.88
58
58.50
59.88
60.88
60
60.50
61.75
62.88
A Inner Ring I.D. B Sealing Element I.D. C Sealing Element O.D. D Centering (Outer) Ring O.D.
Notes:
Inner rings are required for all PTFE gaskets and for Class 900 gaskets, NPS 26 though NPS 48 (see ASME B16.20 code, 3.2.5). The gasket inside diameter tolerance for NPS 26 through NPS 34 is ±0.03"; for NPS 36 through NPS 60 is ±0.05". The gasket outside diameter tolerance for NPS 26 through NPS 60 is
±0.06".
The centering ring outside diameter tolerance is ±0.03". There are no Class 900 flanges in NPS 50 and larger.
1.
2.
3.
Class 150
Class 300
Size NPS
Inner Ring
Sealing Element
Outer Ring
Inside (A) Diameter
Inside (B) Diameter
Outside (C) Diameter
Outside (D) Diameter
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
38.37
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
58.18
59.63
58
58.19
59.07
60.19
62.19
60
60.44
61.31
62.44
64.19
Size NPS
Inner Ring
Sealing Element
Outer Ring
Inside (A) Diameter
Inside (B) Diameter
Outside (C) Diameter
Outside (D) Diameter
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
49.38
51.88
48
48.50
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
D-28
DirectIndustry's Virtual Technical Library: PDF Catalogue | Technical Documentation | Brochure | Manual | Industrial directory | Specifications | Characteristics
Search Go
page 1 p.1
page 2 p.2
page 3 p.3
page 4 p.4
page 5 p.5
page 6 p.6
page 7 p.7
page 8 p.8
page 9 p.9
page 10 p.10
page 11 p.11
page 12 p.12
page 13 p.13
page 14 p.14
page 15 p.15
page 16 p.16
page 17 p.17
page 18 p.18
page 19 p.19
page 20 p.20
page 21 p.21
page 22 p.22
page 23 p.23
page 24 p.24
page 25 p.25
page 26 p.26
page 27 p.27
page 28 p.28
page 29 p.29
page 30 p.30
page 31 p.31
page 32 p.32
page 33 p.33
page 34 p.34
page 35 p.35
page 36 p.36
page 37 p.37
page 38 p.38
page 39 p.39
page 40 p.40
page 41 p.41
page 42 p.42
page 43 p.43
page 44 p.44
page 45 p.45
page 46 p.46
page 47 p.47
page 48 p.48
page 49 p.49
pdf-page pdf di En 2008-11-47-22