Flange – Blind, ANSI Class 75, ASME B16.47 Series B, 1/16″ Raised Face (in)
- Dimensions and tolerances in accordance with ANSI/ASME B16.47 for sizes 26″ to 60″.
- Carbon steel forgings in accordance with ASTM A105.
- Bolt circle diameters are 1/8 inch larger than bolt diameter.

Pipe Size(NPS) |
OutsideDiameter
of
Flange
A |
Diameterof
Raised Face
B |
Thicknessof
Flange
C |
Numberof
Bolt
Holes |
Diameterof
Bolt
Holes |
BoltCircle
Diameter
P |
Approx.Weight
(lb) |
26 |
30 |
27 3/4 |
1 5/16 |
36 |
3/4 |
28 1/2 |
255 |
28 |
32 |
29 3/4 |
1 5/16 |
40 |
3/4 |
30 1/2 |
290 |
30 |
34 |
31 3/4 |
1 5/16 |
44 |
3/4 |
32 1/2 |
330 |
32 |
36 |
33 3/4 |
1 7/16 |
48 |
3/4 |
34 1/2 |
390 |
34 |
38 |
35 3/4 |
1 1/2 |
52 |
3/4 |
36 1/2 |
430 |
36 |
40 11/16 |
38 |
1 11/16 |
40 |
7/8 |
39 1/16 |
520 |
38 |
42 11/16 |
40 |
1 3/4 |
40 |
7/8 |
41 1/16 |
595 |
40 |
44 11/16 |
42 |
1 3/4 |
44 |
7/8 |
43 1/16 |
760 |
42 |
46 11/16 |
44 |
1 7/8 |
48 |
7/8 |
45 1/16 |
895 |
44 |
49 1/4 |
46 1/4 |
1 15/16 |
36 |
1 |
47 3/8 |
1065 |
46 |
51 1/4 |
48 1/4 |
2 |
40 |
1 |
49 3/8 |
1185 |
48 |
53 1/4 |
50 1/4 |
2 1/8 |
44 |
1 |
51 3/8 |
1315 |
50 |
55 1/4 |
52 1/4 |
2 3/16 |
44 |
1 |
53 3/8 |
1505 |
52 |
57 3/8 |
54 1/4 |
2 1/4 |
48 |
1 |
55 1/2 |
1665 |
54 |
59 3/8 |
56 1/4 |
2 3/8 |
48 |
1 |
57 1/2 |
1840 |
56 |
62 |
58 1/2 |
2 7/16 |
40 |
1 1/8 |
59 7/8 |
2110 |
58 |
64 |
60 1/2 |
2 1/2 |
44 |
1 1/8 |
61 7/8 |
2300 |
60 |
66 |
62 1/2 |
2 5/8 |
44 |
1 1/8 |
63 7/8 |
2500 |