K-style ISO Flanges Dimensions
| Size | Tube OD in. |
Flange OD in. (mm) |
Flange Thick. in. (mm) |
Single Clamps | Double Clamps |
No. of Clamps |
Ass’bly Dia. in. (mm) |
||
|---|---|---|---|---|---|---|---|---|---|
| Height in. (mm) |
Thread | Height in. (mm) |
Min. | Opt. | |||||
| ISO 160 | 6 | 7.09 | .472 | 1.25 | 5/16-18 | 2.05 | 4 | 8 | 8.35 |
| (180) | (12) | (32) | (M10) | (52) | (212) | ||||
| ISO 200 | 8 | 9.45 | .472 | 1.25 | 5/16-18 | 2.05 | 6 | 12 | 10.71 |
| (240) | (12) | (32) | (M10) | (52) | (272) | ||||
| ISO 63 | 2 1/2 | 3.74 | .472 | 1.2 | 5/16-18 | 1.98 | 3 | 4 | 5.00 |
| (95) | (12) | (30) | (M8) | (50) | (127) | ||||
| ISO 80 | 3 | 4.33 | .472 | 1.2 | 5/16-18 | 1.98 | 4 | 8 | 5.59 |
| (110) | (12) | (30) | (M8) | (50) | (142) | ||||
| ISO 100 | 4 | 5.12 | .472 | 1.2 | 5/16-18 | 1.98 | 4 | 8 | 6.38 |
| (130) | (12) | (30) | (M8) | (50) | (162) | ||||
| ISO 250 | 10 | 11.42 | .472 | 1.25 | 5/16-18 | 2.05 | 6 | 12 | 12.68 |
| (290) | (12) | (32) | (M10) | (52) | (322) | ||||
| ISO 320 | 12 3/4 | 14.57 | .670 | 1.57 | 7/16-14 | 2.56 | 8 | 12 | 16.73 |
| (370) | (17) | (40) | (M12) | (52) | (425) | ||||
| ISO 400 | 16 | 17.72 | .670 | 1.57 | 7/16-14 | 2.56 | 8 | 16 | 20.08 |
| (450) | (17) | (40) | (M12) | (52) | (510) | ||||
| ISO 500 | 20 | 21.65 | .670 | 1.57 | 7/16-14 | 2.56 | 12 | 16 | 24.02 |
| (550) | (17) | (40) | (M12) | (52) | (610) | ||||
| ISO 630 | 24 | 27.17 | .866 | 1.77 | 7/16-14 | 3.35 | 14 | 18 | 29.53 |
| (690) | (22) | (45) | (M12) | (85) | (750) | ||||
F-style ISO Flanges Dimensions
| Flanges | Holes | Bolts | |||||
|---|---|---|---|---|---|---|---|
| Size | OD in. (mm) |
Thick. in. (mm) |
No. | Dia. in. (mm) |
BCD in. (mm) |
Dia. in. (mm) |
Wrench in. (mm) |
| ISO 63 | 5.12 | .47 | 4 | .35 | 4.33 | 5/16 | 1/2 |
| (130) | (12) | (9) | (110) | (8) | (13) | ||
| ISO 80 | 5.71 | .47 | 8 | .35 | 4.92 | 5/16 | 1/2 |
| (145) | (12) | (9) | (125) | (8) | (13) | ||
| ISO 250 | 13.19 | .63 | 12 | .43 | 12.20 | 3/8 | 9/16 |
| (335) | (16) | (11) | (310) | (10) | (17) | ||
| ISO 320 | 16.73 | .79 | 12 | .55 | 15.55 | 1/2 | 3/4 |
| (425) | (20) | (14) | (395) | (12) | (19) | ||
| ISO 400 | 20.08 | .79 | 16 | .55 | 18.90 | 1/2 | 3/4 |
| (510) | (20) | (14) | (480) | (12) | (19) | ||
| ISO 100 | 6.50 | .47 | 8 | .35 | 5.71 | 5/16 | 1/2 |
| (165) | (12) | (9) | (145) | (8) | (13) | ||
| ISO 160 | 8.86 | .63 | 8 | .43 | 7.87 | 3/8 | 9/16 |
| (225) | (16) | (11) | (200) | (10) | (17) | ||
| ISO 200 | 11.22 | .63 | 12 | .43 | 10.24 | 3/8 | 9/16 |
| (285) | (16) | (11) | (260) | (10) | (17) | ||
| ISO 500 | 24.02 | .79 | 16 | .55 | 22.83 | 1/2 | 3/4 |
| (610) | (20) | (14) | (580) | (12) | (19) | ||
| ISO 630 | 29.53 | .95 | 20 | .55 | 28.35 | 1/2 | 3/4 |
| (750) | (24) | (14) | (720) | (12) | (19) | ||