Flange – Blind, ANSI Class 250, Industry Standard, 1/16″ Raised Face (in)
- Industry Standard Flanges have no national standard code or are they covered by any governing body.
- 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 |
38 1/4 |
32 7/16 |
2 13/16 |
28 |
1 1/8 |
34 1/2 |
853 |
28 |
40 3/4 |
34 15/16 |
2 15/16 |
28 |
1 1/8 |
37 |
1022 |
30 |
43 |
37 3/16 |
3 |
28 |
1 1/8 |
39 1/4 |
1168 |
32 |
45 1/4 |
39 7/16 |
3 1/8 |
28 |
1 1/8 |
41 1/2 |
1353 |
34 |
47 1/2 |
41 7/16 |
3 1/4 |
28 |
1 1/8 |
43 1/2 |
1560 |
36 |
50 |
43 11/16 |
3 3/8 |
32 |
2 1/8 |
46 |
1793 |
38 |
52 1/4 |
45 11/16 |
3 7/16 |
32 |
2 1/8 |
48 |
2003 |
40 |
54 1/2 |
47 15/16 |
3 9/16 |
36 |
2 1/8 |
50 1/4 |
2223 |
42 |
57 |
50 7/16 |
3 11/16 |
36 |
2 1/8 |
52 3/4 |
2533 |
44 |
59 1/4 |
52 11/16 |
4 3/4 |
36 |
2 1/8 |
55 |
2793 |
46 |
61 1/2 |
54 15/16 |
4 7/8 |
40 |
2 1/8 |
57 1/4 |
3109 |
48 |
65 |
58 7/16 |
4 |
40 |
2 1/8 |
60 3/4 |
3599 |