Flange - Blind, ANSI Class 75, Industry Standard (For WNF) (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) | Outside Diameter of Flange
A | Diameter of Raised Face
B | Thickness of Flange
C | Number of Bolt Holes
| Diameter of Bolt Holes
| Bolt Circle Diameter
P | Approx Weight
(lb) |
---|---|---|---|---|---|---|---|
26 | 31 1/2 | 28 5/8 | 1 1/4 | 32 | 1 | 29 5/8 | 265 |
28 | 33 1/2 | 30 5/8 | 1 1/4 | 36 | 1 | 31 5/8 | 300 |
30 | 35 1/2 | 32 5/8 | 1 3/8 | 36 | 1 | 33 5/8 | 370 |
32 | 38 1/4 | 35 | 1 1/2 | 36 | 1 1/8 | 36 1/8 | 470 |
34 | 40 1/4 | 37 | 1 1/2 | 40 | 1 1/8 | 38 1/8 | 520 |
36 | 42 1/4 | 39 | 1 5/8 | 40 | 1 1/8 | 40 1/8 | 620 |
42 | 49 | 45 1/2 | 1 7/8 | 48 | 1 1/4 | 46 3/4 | 970 |
48 | 55 | 51 1/2 | 2 1/8 | 52 | 1 1/4 | 53 3/4 | 1375 |
54 | 61 1/4 | 57 3/4 | 2 3/8 | 64 | 1 1/4 | 59 | 1925 |
60 | 67 1/4 | 63 3/4 | 2 5/8 | 72 | 1 1/4 | 65 | 2575 |
66 | 74 | 70 1/8 | 2 7/8 | 72 | 1 3/8 | 71 1/2 | 3400 |
72 | 80 | 76 1/8 | 3 1/8 | 80 | 1 3/8 | 77 1/2 | 4350 |