ASME B16.5 Male Female Flanges Dimensions
| DN | d1 | d2 | d3 | d4 | d5 | d6 | d7 | d8 | f1 | f2 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1″ | 2,00 (50,8) |
2,06 (52,3) |
1,88 (47,7) |
1,94 (49,3) |
1,50 (38,1) |
1,44 (36,6) |
2,44 (62,0) |
2,25 (57,2) |
0,25 (6,4) |
0,19 (4,8) |
| 1¼” | 2,50 (63,5) |
2,56 (65,0) |
2,25 (57,2) |
2,31 (58,7) |
1,88 (47,8) |
1,81 (46,0) |
2,94 (74,7) |
2,62 (66,6) |
0,25 (6,4) |
0,19 (4,8) |
| 1½” | 2,88 (73,2) |
2,94 (74,7) |
2,50 (63,5) |
2,56 (65,0) |
2,12 (53,8) |
2,06 (52,3) |
3,31 (84,1) |
2,88 (73,2) |
0,25 (6,4) |
0,19 (4,8) |
| ½” | 1,38 (35,1) |
1,44 (36,6) |
1,38 (35,1) |
1,44 (36,6) |
1,00 (25,4) |
0,94 (23,9) |
1,81 (46,0) |
1,75 (44,5) |
0,25 (6,4) |
0,19 (4,8) |
| ¾” | 1,69 (42,9) |
1,75 (44,5) |
1,69 (42,9) |
1,75 (44,5) |
1,31 (33,3) |
1,25 (31,8) |
2,12 (53,8) |
2,06 (52,3) |
0,25 (6,4) |
0,19 (4,8) |
| 2″ | 3,62 (92,0) |
3,69 (93,7) |
3,25 (82,6) |
3,31 (84,1) |
2,88 (73,0) |
2,81 (71,4) |
4,06 (103,1) |
3,62 (92,0) |
0,25 (6,4) |
0,19 (4,8) |
| 5″ | 7,31 (185,7) |
7,38 (187,5) |
6,81 (173,0) |
6,88 (174,8) |
6,31 (160,3) |
6,25 (158,8) |
7,75 (196,9) |
7,31 (185,7) |
0,25 (6,4) |
0,19 (4,8) |
| 6″ | 8,50 (215,9) |
8,56 (217,5) |
8,00 (203,2) |
8,06 (204,7) |
7,50 (190,5) |
7,44 (189,0) |
8,94 (227,0) |
8,50 (215,9) |
0,25 (6,4) |
0,19 (4,8) |
| 8″ | 10,62 (269,8) |
10,69 (271,5) |
10,00 (254,0) |
10,06 (255,5) |
9,38 (238,3) |
9,31 (236,5) |
11,06 (281,0) |
10,62 (269,8) |
0,25 (6,4) |
0,19 (4,8) |
| 10″ | 12,75 (323,5) |
12,81 (325,4) |
12,00 (304,8) |
12,06 (306,3) |
11,25 (285,8) |
11,19 (284,2) |
13,19 (335,0) |
12,75 (323,5) |
0,25 (6,4) |
0,19 (4,8) |
| 12″ | 15,00 (381,0) |
15,06 (382,5) |
14,25 (362,0) |
14,31 (363,5) |
13,50 (342,9) |
13,44 (341,4) |
15,44 (392,2) |
15,00 (381,0) |
0,25 (6,4) |
0,19 (4,8) |
| 2½” | 4,12 (104,6) |
4,19 (106,4) |
3,75 (95,2) |
3,81 (96,8) |
3,38 (85,8) |
3,31 (84,1) |
4,56 (115,8) |
4,12 (104,6) |
0,25 (6,4) |
0,19 (4,8) |
| 3″ | 5,00 (127,0) |
5,06 (128,5) |
4,62 (117,5) |
4,69 (119,1) |
4,25 (108,0) |
4,19 (106,4) |
5,44 (138,2) |
5,00 (127,0) |
0,25 (6,4) |
0,19 (4,8) |
| 4″ | 6,19 (157,2) |
6,25 (158,8) |
5,69 (144,5) |
5,75 (146,1) |
5,19 (131,8) |
5,12 (130,0) |
6,62 (168,1) |
6,19 (157,2) |
0,25 (6,4) |
0,19 (4,8) |
| 14″ | 16,25 (412,8) |
16,31 (414,3) |
15,50 (393,7) |
15,56 (395,2) |
14,75 (374,7) |
14,69 (373,1) |
16,69 (423,9) |
16,25 (412,8) |
0,25 (6,4) |
0,19 (4,8) |
| 16″ | 18,50 (469,9) |
18,56 (471,5) |
17,62 (447,6) |
17,69 (449,3) |
16,75 (425,5) |
16,69 (423,9) |
18,94 (481,0) |
18,50 (469,9) |
0,25 (6,4) |
0,19 (4,8) |
| 18″ | 21,00 (533,4) |
21,06 (535,0) |
20,12 (511,0) |
20,19 (512,8) |
19,25 (489,0) |
19,19 (487,4) |
21,44 (544,6) |
21,00 (533,4) |
0,25 (6,4) |
0,19 (4,8) |
| 20″ | 23,00 (584,2) |
23,06 (585,8) |
22,00 (558,8) |
22,06 (560,3) |
21,00 (533,4) |
20,94 (531,9) |
23,44 (595,4) |
23,00 (584,2) |
0,25 (6,4) |
0,19 (4,8) |
| 24″ | 27,25 (692,2) |
27,31 (693,7) |
26,25 (666,8) |
26,31 (668,3) |
25,25 (641,4) |
25,19 (639,8) |
27,69 (703,3) |
27,25 (692,2) |
0,25 (6,4) |
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