Flange – Weld Neck, ANSI Class 75, 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 |
Diameterof
Bore
D |
Diameterof Hub
at Weld
H |
Diameterof Hub
at Base
J |
Lengthof Hub
K |
Numberof
Bolt
Holes |
Diameterof
Bolt
Holes |
BoltCircle
Diameter
P |
Approx.Weight
(lb) |
26 |
31 1/2 |
28 5/8 |
1 1/4 |
* |
26 |
27 1/8 |
3 |
32 |
1 |
29 5/8 |
98 |
28 |
33 1/2 |
30 5/8 |
1 1/4 |
* |
28 |
29 1/8 |
3 |
36 |
1 |
31 5/8 |
105 |
30 |
35 1/2 |
32 5/8 |
1 1/4 |
* |
30 |
31 1/8 |
3 |
36 |
1 |
33 5/8 |
110 |
32 |
38 1/4 |
35 |
1 1/4 |
* |
32 |
33 3/8 |
3 1/4 |
36 |
1 1/8 |
36 1/8 |
140 |
34 |
40 1/4 |
37 |
1 1/4 |
* |
34 |
35 3/8 |
3 1/4 |
40 |
1 1/8 |
38 1/8 |
150 |
36 |
42 1/4 |
39 |
1 1/4 |
* |
36 |
37 3/8 |
3 1/4 |
40 |
1 1/8 |
40 1/8 |
160 |
42 |
49 |
45 1/2 |
1 1/4 |
* |
42 |
43 3/4 |
3 1/2 |
48 |
1 1/4 |
46 3/4 |
210 |
48 |
55.00 |
51 1/2 |
1 1/4 |
* |
48 |
49 3/4 |
3 3/4 |
52 |
1 1/4 |
52 3/4 |
240 |
54 |
61 1/4 |
57 3/4 |
1 1/4 |
* |
54 |
56 |
4 |
64 |
1 1/4 |
59 |
310 |
60 |
67 1/4 |
63 3/4 |
1 1/4 |
* |
60 |
62 |
4 3/8 |
72 |
1 1/4 |
65 |
400 |
66 |
74 |
70 1/8 |
1 3/8 |
* |
66 |
68 |
4 7/8 |
72 |
1 3/8 |
71 1/2 |
560 |
72 |
80 |
76 1/8 |
1 5/8 |
* |
72 |
74 |
5 1/4 |
80 |
1 3/8 |
77 1/2 |
700 |
- * To be specified by purchaser.