The charts show the dimensions of lap joint flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters.
LAP JOINT FLANGE DIMENSIONS IN INCHES
LAP JOINT CLASS 150 (IN INCH)
Lap joint flange dimensions class 150 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|
1/2″ | 0.88″ | 3.50″ | 2.38″ | 1.19″ | .44″ | .62″ | .12″ | .62″ | 4 |
3/4″ | 1.09″ | 3.88″ | 2.75″ | 1.50″ | .50″ | .62″ | .12″ | .62″ | 4 |
1″ | 1.36″ | 4.25″ | 3.12″ | 1.94″ | .56″ | .69″ | .12″ | .62″ | 4 |
1-1/4″ | 1.70″ | 4.62″ | 3.50″ | 2.31″ | .62″ | .81″ | .19″ | .62″ | 4 |
1-1/2″ | 1.97″ | 5.00″ | 3.88″ | 2.56″ | .69″ | .88″ | .25″ | .62″ | 4 |
2″ | 2.44″ | 6.00″ | 4.75″ | 3.06″ | .75″ | 1.00″ | .31″ | .75″ | 4 |
2-1/2″ | 2.94″ | 7.00″ | 5.50″ | 3.56″ | .88″ | 1.12″ | .31″ | .75″ | 4 |
3″ | 3.57″ | 7.50″ | 6.00″ | 4.25″ | .94″ | 1.19″ | .38″ | .75″ | 4 |
3-1/2″ | 4.07″ | 8.50″ | 7.00″ | 4.81″ | .94″ | 1.25″ | .38″ | .75″ | 8 |
4″ | 4.57″ | 9.00″ | 7.50″ | 5.31″ | .94″ | 1.31″ | .44″ | .75″ | 8 |
5″ | 5.66″ | 10.00″ | 8.50″ | 6.44″ | .94″ | 1.44″ | .44″ | .88″ | 8 |
6″ | 6.72″ | 11.00″ | 9.50″ | 7.56″ | 1.00″ | 1.56″ | .50″ | .88″ | 8 |
8″ | 8.72″ | 13.50″ | 11.75″ | 9.69″ | 1.12″ | 1.75″ | .50″ | .88″ | 8 |
10″ | 10.88″ | 16.00″ | 14.25″ | 12.00″ | 1.19″ | 1.94″ | .50″ | 1.00″ | 12 |
12″ | 12.88″ | 19.00″ | 17.00″ | 14.38″ | 1.25″ | 2.19″ | .50″ | 1.00″ | 12 |
14″ | 14.14″ | 21.00″ | 18.75″ | 15.75″ | 1.38″ | 3.12″ | .50″ | 1.12″ | 12 |
16″ | 16.16″ | 23.50″ | 21.25″ | 18.00″ | 1.44″ | 3.44″ | .50″ | 1.12″ | 16 |
18″ | 18.18″ | 25.00″ | 22.75″ | 19.88″ | 1.56″ | 3.81″ | .50″ | 1.25″ | 16 |
20″ | 20.20″ | 27.50″ | 25.00″ | 22.00″ | 1.69″ | 4.06″ | .50″ | 1.25″ | 20 |
22″ | 22.22″ | 29.50″ | 27.25″ | 24.25″ | 1.81″ | 4.25″ | .50″ | 1.38″ | 20 |
24″ | 24.25″ | 32.00″ | 29.50″ | 26.12″ | 1.88″ | 4.38″ | .50″ | 1.38″ | 20 |
LAP JOINT CLASS 300 (IN INCH)
Lap joint flange dimensions class 300 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|
1/2″ | 0.90″ | 3.75″ | 2.62″ | 1.50″ | 0.56″ | 0.88″ | .12″ | 0.62″ | 4 |
3/4″ | 1.11″ | 4.62″ | 3.25″ | 1.88″ | 0.62″ | 1.00″ | .12″ | 0.75″ | 4 |
1″ | 1.38″ | 4.88″ | 3.50″ | 2.12″ | 0.69″ | 1.06″ | .12″ | 0.75″ | 4 |
1-1/4″ | 1.72″ | 5.25″ | 3.88″ | 2.50″ | 0.75″ | 1.06″ | .19″ | 0.75″ | 4 |
1-1/2″ | 1.97″ | 6.12″ | 4.50″ | 2.75″ | 0.81″ | 1.19″ | .25″ | 0.88″ | 4 |
2″ | 2.46″ | 6.50″ | 5.00″ | 3.31″ | 0.88″ | 1.31″ | .31″ | 0.75″ | 8 |
2-1/2″ | 2.97″ | 7.50″ | 5.88″ | 3.94″ | 1.00″ | 1.50″ | .31″ | 0.88″ | 8 |
3″ | 3.60″ | 8.25″ | 6.62″ | 4.62″ | 1.12″ | 1.69″ | .38″ | 0.88″ | 8 |
3-1/2″ | 4.10″ | 9.00″ | 7.25″ | 5.25″ | 1.19″ | 1.75″ | .38″ | 0.88″ | 8 |
4″ | 4.60″ | 10.00″ | 7.88″ | 5.75″ | 1.25″ | 1.88″ | .44″ | 0.88″ | 8 |
5″ | 5.69″ | 11.00″ | 9.25″ | 7.00″ | 1.38″ | 2.00″ | .44″ | 0.88″ | 8 |
6″ | 6.75″ | 12.50″ | 10.62″ | 8.12″ | 1.44″ | 2.06″ | .50″ | 0.88″ | 12 |
8″ | 8.75″ | 15.00″ | 13.00″ | 10.25″ | 1.62″ | 2.44″ | .50″ | 1.00″ | 12 |
10″ | 10.92″ | 17.50″ | 15.25″ | 12.62″ | 1.88″ | 3.75″ | .50″ | 1.12″ | 16 |
12″ | 12.92″ | 20.50″ | 17.75″ | 14.75″ | 2.00″ | 4.00″ | .50″ | 1.25″ | 16 |
14″ | 14.18″ | 23.00″ | 20.25″ | 16.75″ | 2.12″ | 4.38″ | .50″ | 1.25″ | 20 |
16″ | 16.19″ | 25.50″ | 22.50″ | 19.00″ | 2.25″ | 4.75″ | .50″ | 1.38″ | 20 |
18″ | 18.20″ | 28.00″ | 24.75″ | 21.00″ | 2.38″ | 5.12″ | .50″ | 1.38″ | 24 |
20″ | 20.25″ | 30.50″ | 27.00″ | 23.12″ | 2.50″ | 5.50″ | .50″ | 1.38″ | 24 |
22″ | 22.25″ | 33.00″ | 29.25″ | 25.25″ | 2.63″ | 5.75″ | .50″ | 1.63″ | 24 |
24″ | 24.25″ | 36.00″ | 32.00″ | 27.62″ | 2.75″ | 6.00″ | .50″ | 1.62″ | 24 |
LAP JOINT CLASS 400 (IN INCH)
Lap joint flange dimensions class 400 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|
1/2″ | 0.90″ | 3.75″ | 2.62″ | 1.50″ | 0.56″ | 0.88″ | .12″ | 0.62″ | 4 |
3/4″ | 1.11″ | 4.62″ | 3.25″ | 1.88″ | 0.62″ | 1.00″ | .12″ | 0.75″ | 4 |
1″ | 1.38″ | 4.88″ | 3.50″ | 2.12″ | 0.69″ | 1.06″ | .12″ | 0.75″ | 4 |
1-1/4″ | 1.72″ | 5.25″ | 3.88″ | 2.50″ | 0.81″ | 1.12″ | .19″ | 0.75″ | 4 |
1-1/2″ | 1.97″ | 6.12″ | 4.50″ | 2.75″ | 0.88″ | 1.25″ | .25″ | 0.88″ | 4 |
2″ | 2.46″ | 6.50″ | 5.00″ | 3.31″ | 1.00″ | 1.44″ | .31″ | 0.75″ | 8 |
2-1/2″ | 2.97″ | 7.50″ | 5.88″ | 3.94″ | 1.12″ | 1.62″ | .31″ | 0.88″ | 8 |
3″ | 3.60″ | 8.25″ | 6.62″ | 4.62″ | 1.25″ | 1.81″ | .38″ | 0.88″ | 8 |
3-1/2″ | 4.10″ | 9.00″ | 7.25″ | 5.25″ | 1.38″ | 1.94″ | .38″ | 1.00″ | 8 |
4″ | 4.60″ | 10.00″ | 7.88″ | 5.75″ | 1.38″ | 2.00″ | .44″ | 1.00″ | 8 |
5″ | 5.69″ | 11.00″ | 9.25″ | 7.00″ | 1.50″ | 2.12″ | .44″ | 1.00″ | 8 |
6″ | 6.75″ | 12.50″ | 10.62″ | 8.12″ | 1.62″ | 2.25″ | .50″ | 1.00″ | 12 |
8″ | 8.75″ | 15.00″ | 13.00″ | 10.25″ | 1.88″ | 2.69″ | .50″ | 1.12″ | 12 |
10″ | 10.92″ | 17.50″ | 15.25″ | 12.62″ | 2.12″ | 4.00″ | .50″ | 1.25″ | 16 |
12″ | 12.92″ | 20.50″ | 17.75″ | 14.75″ | 2.25″ | 4.25″ | .50″ | 1.38″ | 16 |
14″ | 14.18″ | 23.00″ | 20.25″ | 16.75″ | 2.38″ | 4.62″ | .50″ | 1.38″ | 20 |
16″ | 16.19″ | 25.50″ | 22.50″ | 19.00″ | 2.50″ | 5.00″ | .50″ | 1.50″ | 20 |
18″ | 18.20″ | 28.00″ | 24.75″ | 21.00″ | 2.62″ | 5.38″ | .50″ | 1.50″ | 24 |
20″ | 20.25″ | 30.50″ | 27.00″ | 23.12″ | 2.75″ | 5.75″ | .50″ | 1.62″ | 24 |
22″ | 22.25″ | 33.00″ | 29.25″ | 25.25″ | 2.88″ | 6.00″ | .50″ | 1.75″ | 24 |
24″ | 24.25″ | 36.00″ | 32.00″ | 27.62″ | 3.00″ | 6.25″ | .50″ | 1.88″ | 24 |
LAP JOINT CLASS 600 (IN INCH)
Lap joint flange dimensions class 600 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|
1/2″ | 0.90″ | 3.75″ | 2.62″ | 1.50″ | 0.56″ | 0.88″ | .12″ | 0.62″ | 4 |
3/4″ | 1.11″ | 4.62″ | 3.25″ | 1.88″ | 0.62″ | 1.00″ | .12″ | 0.75″ | 4 |
1″ | 1.38″ | 4.88″ | 3.50″ | 2.12″ | 0.69″ | 1.06″ | .12″ | 0.75″ | 4 |
1-1/4″ | 1.72″ | 5.25″ | 3.88″ | 2.50″ | 0.81″ | 1.12″ | .19″ | 0.75″ | 4 |
1-1/2″ | 1.97″ | 6.12″ | 4.50″ | 2.75″ | 0.88″ | 1.25″ | .25″ | 0.88″ | 4 |
2″ | 2.46″ | 6.50″ | 5.00″ | 3.31″ | 1.00″ | 1.44″ | .31″ | 0.75″ | 8 |
2-1/2″ | 2.97″ | 7.50″ | 5.88″ | 3.94″ | 1.12″ | 1.62″ | .31″ | 0.88″ | 8 |
3″ | 3.60″ | 8.25″ | 6.62″ | 4.62″ | 1.25″ | 1.81″ | .38″ | 0.88″ | 8 |
3-1/2″ | 4.10″ | 9.00″ | 7.25″ | 5.25″ | 1.38″ | 1.94″ | .38″ | 1.00″ | 8 |
4″ | 4.60″ | 10.75″ | 8.50″ | 6.00″ | 1.5″ | 2.12″ | .44″ | 1.00″ | 8 |
5″ | 5.69″ | 13.00″ | 10.50″ | 7.44″ | 1.75″ | 2.38″ | .44″ | 1.12″ | 8 |
6″ | 6.75″ | 14.00″ | 11.50″ | 8.75″ | 1.88″ | 2.62″ | .50″ | 1.12″ | 12 |
8″ | 8.75″ | 16.50″ | 13.75″ | 10.75″ | 2.19″ | 3.00″ | .50″ | 1.25″ | 12 |
10″ | 10.92″ | 20.00″ | 17.00″ | 13.5″ | 2.50″ | 4.38″ | .50″ | 1.38″ | 16 |
12″ | 12.92″ | 22.00″ | 19.25″ | 15.75″ | 2.62″ | 4.62″ | .50″ | 1.38″ | 20 |
14″ | 14.18″ | 23.75″ | 20.75″ | 17.00″ | 2.75″ | 5.00″ | .50″ | 1.50″ | 20 |
16″ | 16.19″ | 27.00″ | 23.75″ | 19.50″ | 3.00″ | 5.50″ | .50″ | 1.62″ | 20 |
18″ | 18.20″ | 29.25″ | 25.75″ | 21.50″ | 3.25″ | 6.00″ | .50″ | 1.75″ | 20 |
20″ | 20.25″ | 32.00″ | 28.50″ | 24.00″ | 3.50″ | 6.50″ | .50″ | 1.75″ | 24 |
22″ | 22.25″ | 34.25″ | 30.63″ | 26.25″ | 3.75″ | 6.88″ | .50″ | 1.75″ | 24 |
24″ | 24.25″ | 37.00″ | 33.00″ | 28.25″ | 4.00″ | 7.25″ | .50″ | 2.00″ | 24 |
LAP JOINT CLASS 900 (IN INCH)
Lap joint flange dimensions class 900 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|
3″ | 3.60″ | 9.50″ | 7.50″ | 5.00″ | 1.50″ | 2.13″ | .38″ | 1.00″ | 8 |
4″ | 4.60″ | 11.50″ | 9.25″ | 6.25″ | 1.75″ | 2.75″ | .44″ | 1.25″ | 8 |
5″ | 5.69″ | 13.75″ | 11.00″ | 7.50″ | 3.00″ | 3.13″ | .44″ | 1.38″ | 8 |
6″ | 6.75″ | 15.00″ | 12.50″ | 9.25″ | 2.19″ | 3.38″ | .50″ | 1.25″ | 12 |
8″ | 8.75″ | 18.50″ | 15.50″ | 11.75″ | 2.50″ | 4.50″ | .50″ | 1.50″ | 12 |
10″ | 10.92″ | 21.50″ | 18.50″ | 14.50″ | 2.75″ | 5.00″ | .50″ | 1.50″ | 16 |
12″ | 12.92″ | 24.00″ | 21.00″ | 16.50″ | 3.13″ | 5.63″ | .50″ | 1.50″ | 20 |
14″ | 14.18″ | 25.25″ | 22.00″ | 17.75″ | 3.38″ | 6.13″ | .50″ | 1.63″ | 20 |
16″ | 16.19″ | 27.75″ | 24.25″ | 20.00″ | 3.50″ | 6.50″ | .50″ | 1.75″ | 20 |
18″ | 18.20″ | 31.00″ | 27.00″ | 22.25″ | 4.00″ | 7.50″ | .50″ | 2.00″ | 20 |
20″ | 20.25″ | 33.75″ | 29.50″ | 24.50″ | 4.25″ | 8.25″ | .50″ | 2.13″ | 20 |
24″ | 24.25″ | 41.00″ | 35.50″ | 29.50″ | 5.50″ | 10.50″ | .50″ | 2.63″ | 20 |
LAP JOINT CLASS 1500 (IN INCH)
Lap joint flange dimensions class 1500 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | Raised Face (R) | Raised Face (RF) | H | Raised Face Thickness (T) | T1 | Flat Face Thickness (T2) | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|---|---|
1/2″ | 0.88″ | 4.75″ | 3.25″ | 1.38″ | .250″ | 1.50″ | 1.50″ | 0.88″ | 1.25″ | 0.88″ | 4 |
3/4″ | 1.09″ | 5.13″ | 3.50″ | 1.69″ | .250″ | 1.75″ | 1.63″ | 1.00″ | 1.38″ | 0.88″ | 4 |
1″ | 1.36″ | 5.88″ | 4.00″ | 2.00″ | .250″ | 2.06″ | 1.88″ | 1.13″ | 1.63″ | 1.00″ | 4 |
1-1/4″ | 1.70″ | 6.25″ | 4.38″ | 2.50″ | .250″ | 2.50″ | 1.88″ | 1.13″ | 1.63″ | 1.00″ | 4 |
1-1/2″ | 1.95″ | 7.00″ | 4.88″ | 2.88″ | .250″ | 2.75″ | 2.00″ | 1.25″ | 1.75″ | 1.13″ | 4 |
2″ | 2.44″ | 8.50″ | 6.50″ | 3.63″ | .250″ | 4.13″ | 2.50″ | 1.50″ | 2.25″ | 1.00″ | 8 |
2-1/2″ | 2.94″ | 9.63″ | 7.50″ | 4.13″ | .250″ | 4.88″ | 2.75″ | 1.63″ | 2.50″ | 1.13″ | 8 |
3″ ** | 3.57″ | 10.50″ | 8.00″ | 5.00″ | .250″ | 5.25″ | 3.13″ | 1.88″ | 2.88″ | 1.25″ | 8 |
4″ ** | 4.57″ | 12.25″ | 9.50″ | 6.19″ | .250″ | 6.38″ | 3.81″ | 2.13″ | 3.56″ | 1.38″ | 8 |
5″ ** | 5.66″ | 14.75″ | 11.50″ | 7.31″ | .250″ | 7.75″ | 4.38″ | 2.88″ | 4.13″ | 1.63″ | 8 |
6″ ** | 6.72″ | 15.50″ | 12.50″ | 8.50″ | .250″ | 9.00″ | 4.94″ | 3.25″ | 4.69″ | 1.50″ | 12 |
8″ ** | 8.72″ | 19.00″ | 15.50″ | 10.63″ | .250″ | 11.50″ | 5.88″ | 3.63″ | 5.63″ | 1.75″ | 12 |
10″ ** | 10.88″ | 23.00″ | 19.00″ | 12.75″ | .250″ | 14.50″ | 6.50″ | 4.25″ | 6.25″ | 2.00″ | 12 |
12″ ** | 12.88″ | 26.50″ | 22.50″ | 15.00″ | .250″ | 17.75″ | 7.38″ | 4.88″ | 7.13″ | 2.13″ | 16 |
LAP JOINT CLASS 2500 (IN INCH)
Lap joint flange dimensions class 2500 in inches (ASME B16.5)
FLANGE NPS |
Inside Diameter |
Outside Diameter |
Bolt Circle (BC) | H | T1 | T2 | RA | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|
1/2″ | 0.90″ | 5.25″ | 3.50″ | 1.69″ | 1.19″ | 1.56″ | .12″ | 0.88″ | 4 |
3/4″ | 1.11″ | 5.50″ | 3.75″ | 2.00″ | 1.25″ | 1.69″ | .12″ | 0.88″ | 4 |
1″ | 1.38″ | 6.25″ | 4.25″ | 2.25″ | 1.38″ | 1.88″ | .12″ | 1.00″ | 4 |
1-1/4″ | 1.72″ | 7.25″ | 5.13″ | 2.88″ | 1.50″ | 2.06″ | .19″ | 1.13″ | 4 |
1-1/2″ | 1.97″ | 8.00″ | 5.75″ | 3.13″ | 1.75″ | 2.38″ | .25″ | 1.25″ | 4 |
2″ | 2.46″ | 9.25″ | 6.75″ | 3.75″ | 2.00″ | 2.75″ | .31″ | 1.13″ | 8 |
2-1/2″ | 2.97″ | 10.50″ | 7.75″ | 4.50″ | 2.25″ | 3.13″ | .31″ | 1.25″ | 8 |
3″ | 3.60″ | 12.00″ | 9.00″ | 5.25″ | 2.63″ | 3.63″ | .38″ | 1.38″ | 8 |
4″ | 4.60″ | 14.00″ | 10.75″ | 6.50″ | 3.00″ | 4.25″ | .44″ | 1.63″ | 8 |
5″ | 5.69″ | 16.50″ | 12.75″ | 8.00″ | 3.63″ | 5.13″ | .44″ | 1.88″ | 8 |
6″ | 6.75″ | 19.00″ | 14.50″ | 9.25″ | 4.25″ | 6.00″ | .50″ | 2.13″ | 8 |
8″ | 8.75″ | 21.75″ | 17.25″ | 12.00″ | 5.00″ | 7.00″ | .50″ | 2.13″ | 12 |
10″ | 10.92″ | 26.50″ | 21.25″ | 14.75″ | 6.50″ | 9.00″ | .50″ | 2.63″ | 12 |
12″ | 12.92″ | 30.00″ | 24.38″ | 17.38″ | 7.25″ | 10.00″ | .50″ | 2.88″ | 12 |
LAP JOINT FLANGE DIMENSIONS IN MILLIMETERS
LAP JOINT CLASS 150 (IN MM)
Lap joint flange dimensions class 150 in millimeters (ASME B16.5)
Size inch |
D mm |
X mm |
t mm |
B3 mm |
T3 mm |
R° |
---|---|---|---|---|---|---|
1/2 | 89 | 30.2 | 11.2 | 22.9 | 15.7 | 3.0 |
3/4 | 99 | 38.1 | 12.7 | 28.2 | 15.7 | 3.0 |
1 | 108 | 49.3 | 14.2 | 35.1 | 17.5 | 3.0 |
1¼ | 117 | 58.7 | 15.7 | 43.7 | 20.6 | 4.8 |
1½ | 127 | 65.0 | 17.5 | 50.0 | 22.4 | 6.4 |
2 | 152 | 77.7 | 19.1 | 62.5 | 25.4 | 7.9 |
2½ | 178 | 90.4 | 22.4 | 75.4 | 28.4 | 7.9 |
3 | 191 | 108.0 | 23.9 | 91.4 | 30.2 | 9.7 |
3½ | 216 | 122.2 | 23.9 | 104.1 | 31.8 | 9.7 |
4 | 229 | 134.9 | 23.9 | 116.8 | 33.3 | 11.2 |
5 | 254 | 163.6 | 23.9 | 144.5 | 36.6 | 11.2 |
6 | 279 | 192.0 | 25.4 | 171.5 | 39.6 | 12.7 |
8 | 343 | 246.1 | 28.4 | 223.3 | 44.5 | 12.7 |
10 | 406 | 304.8 | 30.2 | 277.4 | 49.3 | 12.7 |
12 | 483 | 365.3 | 31.8 | 328.2 | 55.6 | 12.7 |
14 | 533 | 400.1 | 35.1 | 360.2 | 79.2 | 12.7 |
16 | 597 | 457.2 | 36.6 | 411.2 | 87.4 | 12.7 |
18 | 635 | 505.0 | 39.6 | 462.3 | 96.8 | 12.7 |
20 | 699 | 558.8 | 42.9 | 514.4 | 103.1 | 12.7 |
24 | 813 | 663.4 | 47.8 | 616.0 | 111.3 | 12.7 |
Size | Drilling | Bolting | |||||
---|---|---|---|---|---|---|---|
inch | Bolt circle Diameter mm |
Holes # | Holes Dia. mm | Bolt Dia. inch. | Length FF Flange |
Length RF Flange |
Length RTJ Flange |
1/2 | 60.5 | 4 | 15.7 | 1/2 | 50.8 | 57.2 | – |
3/4 | 69.9 | 4 | 15.7 | 1/2 | 50.8 | 63.5 | – |
1 | 79.2 | 4 | 15.7 | 1/2 | 57.2 | 63.5 | 76.2 |
1¼ | 88.9 | 4 | 15.7 | 1/2 | 57.2 | 69.9 | 82.6 |
1½ | 98.6 | 4 | 15.7 | 1/2 | 63.5 | 69.9 | 82.6 |
2 | 120.7 | 4 | 19.1 | 5/8 | 69.9 | 82.6 | 95.3 |
2½ | 139.7 | 4 | 19.1 | 5/8 | 76.2 | 88.9 | 101.6 |
3 | 152.4 | 4 | 19.1 | 5/8 | 76.2 | 88.9 | 101.6 |
3½ | 177.8 | 8 | 19.1 | 5/8 | 76.2 | 88.9 | 101.6 |
4 | 190.5 | 8 | 19.1 | 5/8 | 76.2 | 88.9 | 101.6 |
5 | 215.9 | 8 | 22.4 | 3/4 | 82.6 | 95.3 | 108.0 |
6 | 241.3 | 8 | 22.4 | 3/4 | 82.6 | 101.6 | 114.3 |
8 | 298.5 | 8 | 22.4 | 3/4 | 88.9 | 108.0 | 120.7 |
10 | 362.0 | 12 | 25.4 | 7/8 | 101.6 | 114.3 | 127.0 |
12 | 431.8 | 12 | 25.4 | 7/8 | 101.6 | 120.7 | 133.4 |
14 | 476.3 | 12 | 28.4 | 1 | 114.3 | 133.4 | 146.1 |
16 | 539.8 | 16 | 28.4 | 1 | 114.3 | 133.4 | 146.1 |
18 | 577.9 | 16 | 31.8 | 11/8 | 127.0 | 146.1 | 158.8 |
20 | 635.0 | 20 | 31.8 | 11/8 | 139.7 | 158.8 | 171.5 |
24 | 749.3 | 20 | 35.1 | 1¼ | 152.4 | 171.5 | 184.2 |
LAP JOINT CLASS 300 (IN MM)
Lap joint flange dimensions class 300 in millimeters (ASME B16.5)
Size inch |
D mm |
X mm |
t mm |
B3 mm |
T3 mm |
R° |
---|---|---|---|---|---|---|
1/2 | 95 | 38.1 | 14.2 | 22.9 | 22.4 | 3.0 |
3/4 | 117 | 47.8 | 15.7 | 28.2 | 25.4 | 3.0 |
1 | 124 | 53.8 | 17.5 | 35.1 | 26.9 | 3.0 |
1¼ | 133 | 63.5 | 19.1 | 43.7 | 26.9 | 4.8 |
1½ | 155 | 69.9 | 20.6 | 50.0 | 30.2 | 6.4 |
2 | 165 | 84.1 | 22.4 | 62.5 | 33.3 | 7.9 |
2½ | 191 | 100.1 | 25.4 | 75.4 | 38.1 | 7.9 |
3 | 210 | 117.3 | 28.4 | 91.4 | 42.9 | 9.7 |
3½ | 229 | 133.4 | 30.2 | 104.1 | 44.5 | 9.7 |
4 | 254 | 146.1 | 31.8 | 116.8 | 47.8 | 11.2 |
5 | 279 | 177.8 | 35.1 | 144.5 | 50.8 | 11.2 |
6 | 318 | 206.2 | 36.6 | 171.5 | 52.3 | 12.7 |
8 | 381 | 260.4 | 41.1 | 222.3 | 62.0 | 12.7 |
10 | 445 | 320.5 | 47.8 | 277.4 | 66.5 | 12.7 |
12 | 521 | 374.7 | 50.8 | 328.2 | 101.6 | 12.7 |
14 | 584 | 425.5 | 63.8 | 360.2 | 111.3 | 12.7 |
16 | 648 | 482.6 | 57.2 | 411.2 | 120.7 | 12.7 |
18 | 711 | 533.4 | 60.5 | 462.3 | 130.0 | 12.7 |
20 | 775 | 587.2 | 63.5 | 514.4 | 139.7 | 12.7 |
24 | 914 | 701.5 | 69.9 | 616.0 | 152.4 | 12.7 |
Size | Drilling | Bolting | |||||
---|---|---|---|---|---|---|---|
inch | Bolt circle Diameter mm |
Holes # | Holes Dia. mm | Bolt Dia. inch. | Length FF Flange |
Length RF Flange |
Length RTJ Flange |
1/2 | 66.5 | 4 | 15.7 | 1/2 | 57.2 | 63.5 | 76.2 |
3/4 | 82.6 | 4 | 19.1 | 5/8 | 63.5 | 76.2 | 88.9 |
1 | 88.9 | 4 | 19.1 | 5/8 | 63.5 | 76.2 | 88.9 |
1¼ | 98.6 | 4 | 19.1 | 5/8 | 69.9 | 82.6 | 95.3 |
1½ | 114.3 | 4 | 22.4 | 3/4 | 76.2 | 88.9 | 101.6 |
2 | 127.0 | 8 | 19.1 | 5/8 | 76.2 | 88.9 | 101.6 |
2½ | 149.4 | 8 | 22.4 | 3/4 | 82.6 | 101.6 | 114.3 |
3 | 168.1 | 8 | 22.4 | 3/4 | 88.9 | 108.0 | 120.7 |
3½ | 184.2 | 8 | 22.4 | 3/4 | 95.3 | 108.0 | 127.0 |
4 | 200.2 | 8 | 22.4 | 3/4 | 95.3 | 114.3 | 127.0 |
5 | 235.0 | 8 | 22.4 | 3/4 | 108.0 | 120.7 | 133.4 |
6 | 269.7 | 12 | 22.4 | 3/4 | 108.0 | 120.7 | 139.7 |
8 | 330.2 | 12 | 25.4 | 7/8 | 120.7 | 139.7 | 152.4 |
10 | 387.4 | 16 | 28.4 | 1 | 139.7 | 158.8 | 171.5 |
12 | 450.9 | 16 | 31.8 | 11/8 | 146.1 | 171.5 | 184.2 |
14 | 514.4 | 20 | 31.8 | 11/8 | 158.8 | 177.8 | 190.5 |
16 | 571.5 | 20 | 35.1 | 1¼ | 165.1 | 190.5 | 203.2 |
18 | 628.7 | 24 | 35.1 | 1¼ | 171.5 | 196.9 | 209.6 |
20 | 685.8 | 24 | 35.1 | 1¼ | 184.2 | 203.2 | 222.3 |
24 | 812.8 | 24 | 41.1 | 1½ | 203.2 | 228.6 | 254.0 |
LAP JOINT CLASS 600 (IN MM)
Lap joint flange dimensions class 600 in millimeters (ASME B16.5)
Size inch |
D mm |
X mm |
t mm |
B3 mm |
T3 mm |
R° |
---|---|---|---|---|---|---|
1/2 | 95 | 38.1 | 14.2 | 22.9 | 22.4 | 3.0 |
3/4 | 117 | 47.8 | 15.7 | 28.2 | 25.4 | 3.0 |
1 | 124 | 53.8 | 17.5 | 35.1 | 26.9 | 3.0 |
1¼ | 133 | 63.5 | 20.6 | 43.7 | 28.4 | 4.8 |
1½ | 155 | 69.9 | 22.4 | 50.0 | 31.8 | 6.4 |
2 | 165 | 84.1 | 25.4 | 62.5 | 36.6 | 7.9 |
2½ | 191 | 100.1 | 28.4 | 75.4 | 41.1 | 7.9 |
3 | 210 | 117.3 | 31.8 | 91.4 | 46.0 | 9.7 |
3½ | 229 | 133.4 | 35.1 | 104.1 | 49.3 | 9.7 |
4 | 273 | 152.4 | 38.1 | 116.8 | 53.8 | 11.2 |
5 | 330 | 189.0 | 44.5 | 144.5 | 60.5 | 11.2 |
6 | 356 | 222.3 | 47.8 | 171.5 | 66.5 | 12.7 |
8 | 419 | 273.1 | 55.6 | 222.3 | 76.2 | 12.7 |
10 | 508 | 342.9 | 63.5 | 277.4 | 111.3 | 12.7 |
12 | 559 | 400.1 | 66.5 | 328.2 | 117.3 | 12.7 |
14 | 603 | 431.8 | 69.9 | 360.2 | 127.0 | 12.7 |
16 | 686 | 495.3 | 76.2 | 411.2 | 139.7 | 12.7 |
18 | 743 | 546.1 | 82.6 | 462.3 | 152.4 | 12.7 |
20 | 813 | 609.6 | 88.9 | 514.4 | 165.1 | 12.7 |
24 | 940 | 717.6 | 101.6 | 616.0 | 184.2 | 12.7 |
Size | Drilling | Bolting | |||||
---|---|---|---|---|---|---|---|
inch | Bolt circle Diameter mm |
Holes # | Holes Dia. mm | Bolt Dia. inch. | Length FF Flange |
Length RF Flange |
Length RTJ Flange |
1/2 | 66.5 | 4 | 15.7 | 1/2 | 76.2 | 69.9 | 76.2 |
3/4 | 82.6 | 4 | 19.1 | 5/8 | 88.9 | 82.6 | 88.9 |
1 | 88.9 | 4 | 19.1 | 5/8 | 88.9 | 82.6 | 88.9 |
1¼ | 98.6 | 4 | 19.1 | 5/8 | 95.3 | 88.9 | 95.3 |
1½ | 114.3 | 4 | 22.4 | 3/4 | 108.0 | 101.6 | 108.0 |
2 | 127.0 | 8 | 19.1 | 5/8 | 108.0 | 101.6 | 108.0 |
2½ | 149.4 | 8 | 22.4 | 3/4 | 120.7 | 114.3 | 120.7 |
3 | 168.1 | 8 | 22.4 | 3/4 | 127.0 | 120.7 | 127.0 |
3½ | 184.2 | 8 | 25.4 | 7/8 | 139.7 | 133.4 | 139.7 |
4 | 215.9 | 8 | 25.4 | 7/8 | 146.1 | 139.7 | 146.1 |
5 | 266.7 | 8 | 28.4 | 1 | 165.1 | 158.8 | 165.1 |
6 | 292.1 | 12 | 28.4 | 1 | 171.5 | 165.1 | 171.5 |
8 | 349.3 | 12 | 31.8 | 11/8 | 190.5 | 184.2 | 196.9 |
10 | 431.8 | 16 | 35.1 | 1¼ | 215.9 | 209.6 | 215.9 |
12 | 489.0 | 20 | 35.1 | 1¼ | 222.3 | 215.9 | 222.3 |
14 | 527.1 | 20 | 38.1 | 13/8 | 235.0 | 228.6 | 235.0 |
16 | 603.3 | 20 | 41.1 | 1½ | 254.0 | 247.7 | 254.0 |
18 | 654.1 | 20 | 44.5 | 15/8 | 273.1 | 266.7 | 273.1 |
20 | 723.9 | 24 | 44.5 | 15/8 | 285.8 | 279.4 | 292.1 |
24 | 838.2 | 24 | 50.8 | 17/8 | 330.2 | 323.9 | 336.6 |
LAP JOINT CLASS 900 (IN MM)
Lap joint flange dimensions class 900 in millimeters (ASME B16.5)
Size inch |
D mm |
X mm |
t mm |
B3 mm |
T3 mm |
R° |
---|---|---|---|---|---|---|
1/2 | 121 | 38.1 | 22.4 | 22.9 | 31.8 | 3.0 |
3/4 | 130 | 44.5 | 25.4 | 28.2 | 35.1 | 3.0 |
1 | 149 | 52.3 | 28.4 | 35.1 | 41.1 | 3.0 |
1¼ | 159 | 63.5 | 28.4 | 43.7 | 41.1 | 4.8 |
1½ | 178 | 69.9 | 31.8 | 50.0 | 44.5 | 6.4 |
2 | 216 | 104.6 | 38.1 | 62.5 | 57.2 | 7.9 |
2½ | 244 | 124.0 | 41.1 | 75.4 | 63.5 | 7.9 |
3 | 241 | 127.0 | 38.1 | 91.4 | 53.8 | 9.7 |
4 | 292 | 158.8 | 44.5 | 116.8 | 69.9 | 11.2 |
5 | 349 | 190.5 | 50.8 | 144.5 | 79.2 | 11.2 |
6 | 381 | 235.0 | 55.6 | 171.5 | 85.9 | 12.7 |
8 | 470 | 298.5 | 63.5 | 222.3 | 114.3 | 12.7 |
10 | 546 | 368.3 | 69.9 | 277.4 | 127.0 | 12.7 |
12 | 610 | 419.1 | 79.2 | 328.2 | 142.7 | 12.7 |
14 | 641 | 450.9 | 85.9 | 360.2 | 155.4 | 12.7 |
16 | 705 | 508.0 | 88.9 | 411.2 | 165.1 | 12.7 |
18 | 787 | 565.2 | 101.6 | 42.3 | 190.5 | 12.7 |
20 | 857 | 622.3 | 108.0 | 514.4 | 209.6 | 12.7 |
24 | 1041 | 749.3 | 139.7 | 616.0 | 266.7 | 12.7 |
Size | Drilling | Bolting | |||||
---|---|---|---|---|---|---|---|
inch | Bolt circle Diameter mm |
Holes # | Holes Dia. mm | Bolt Dia. inch. | Length FF Flange |
Length RF Flange |
Length RTJ Flange |
1/2 | 82.6 | 4 | 22.4 | 3/4 | 108.0 | 101.6 | 108.0 |
3/4 | 88.9 | 4 | 22.4 | 3/4 | 114.3 | 108.0 | 114.3 |
1 | 101.6 | 4 | 25.4 | 7/8 | 127.0 | 120.7 | 127.0 |
1¼ | 111.3 | 4 | 25.4 | 7/8 | 127.0 | 120.7 | 127.0 |
1½ | 124.0 | 4 | 28.4 | 1 | 139.7 | 133.4 | 139.7 |
2 | 165.1 | 8 | 25.4 | 7/8 | 146.1 | 139.7 | 146.1 |
2½ | 190.5 | 8 | 28.4 | 1 | 158.8 | 152.4 | 158.8 |
3 | 190.5 | 8 | 25.4 | 7/8 | 146.1 | 139.7 | 146.1 |
4 | 235.0 | 8 | 31.8 | 11/8 | 171.5 | 165.1 | 171.5 |
5 | 279.4 | 8 | 35.1 | 1¼ | 190.5 | 184.2 | 190.5 |
6 | 317.5 | 12 | 31.8 | 11/8 | 190.5 | 184.2 | 196.9 |
8 | 393.7 | 12 | 38.1 | 13/8 | 222.3 | 215.9 | 222.3 |
10 | 469.9 | 16 | 38.1 | 13/8 | 235.0 | 228.6 | 235.0 |
12 | 533.4 | 20 | 38.1 | 13/8 | 254.0 | 247.7 | 254.0 |
14 | 558.8 | 20 | 41.1 | 1½ | 273.1 | 266.7 | 292.1 |
16 | 616.0 | 20 | 44.5 | 15/8 | 285.8 | 279.4 | 298.5 |
18 | 685.8 | 20 | 50.8 | 17/8 | 323.9 | 317.5 | 333.6 |
20 | 749.3 | 20 | 53.8 | 2 | 349.3 | 342.9 | 362.0 |
24 | 901.7 | 20 | 66.5 | 1½ | 438.2 | 431.8 | 457.2 |
One Response
Hello,
what about over 4 inches LJ flanges?
Need information about 24in LJ flange class 300 FF ASME 16.47 Series B, but i cant find information
What is the standard for LJ flanges over 24in?
Thanks in advance