The ASME B16.5 socket weld flange dimensions chart, NPS 1/2 – 24″, Class 150# – 1500#

 

SOCKET WELD FLANGE DIMENSIONS CLASS 150 ASME B16.5

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
Inside
Diameter
Outside
Diameter
Bolt Circle (BC) Raised Face (R) Raised Face (RF) H D ID 2* Raised Face Thickness (T) T1 Flat Face Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2″ 0.88″ 3.50″ 2.38″ 1.38″ .063″ 1.19″ .38″ 0.62″ .62″ .38″ .56″ .62″ 4
3/4″ 1.09″ 3.88″ 2.75″ 1.69″ .063″ 1.50″ .44″ 0.82″ .62″ .44″ .56″ .62″ 4
1″ 1.36″ 4.25″ 3.12″ 2.00″ .063″ 1.94″ .50″ 1.05″ .69″ .50″ .63″ .62″ 4
1-1/4″ 1.70″ 4.62″ 3.50″ 2.50″ .063″ 2.31″ .56″ 1.38″ .81″ .56″ .75″ .62″ 4
1-1/2″ 1.97″ 5.00″ 3.88″ 2.88″ .063″ 2.56″ .62″ 1.61″ .88″ .62″ .82″ .62″ 4
2″ 2.44″ 6.00″ 4.75″ 3.62″ .063″ 3.06″ .69″ 2.07″ 1.00″ .69″ .94″ .75″ 4
2-1/2″ 2.94″ 7.00″ 5.50″ 4.12″ .063″ 3.56″ .75″ 2.47″ 1.12″ .82″ 1.06″ .75″ 4
3″ 3.57″ 7.50″ 6.00″ 5.00″ .063″ 4.25″ .81″ 3.07″ 1.19″ .88″ 1.13″ .75″ 4
3-1/2″ 4.07″ 8.50″ 7.00″ 5.50″ .063″ 4.81″ .88″ 3.55″ 1.25″ .88″ 1.19″ .75″ 8
4″ 4.57″ 9.00″ 7.50″ 6.19″ .063″ 5.31″ .94″ 4.03″ 1.31″ .88″ 1.25″ .75″ 8
5″ 5.66″ 10.00″ 8.50″ 7.31″ .063″ 6.44″ .94″ 5.05″ 1.44″ .88″ 1.38″ .88″ 8
6″ 6.72″ 11.00″ 9.50″ 8.50″ .063″ 7.56″ 1.06″ 6.07″ 1.56″ .94″ 1.50″ .88″ 8
8″ 8.72″ 13.50″ 11.75″ 10.62″ .063″ 9.69″ 1.25″ 7.98″ 1.75″ 1.06″ 1.69″ .88″ 8
10″ 10.88″ 16.00″ 14.25″ 12.75″ .063″ 12.00″ 1.31″ 10.02″ 1.94″ 1.13″ 1.88″ 1.00″ 12
12″ 12.88″ 19.00″ 17.00″ 15.00″ .063″ 14.38″ 1.56″ 12.00″ 2.19″ 1.19″ 2.13″ 1.00″ 12
14″ 14.14″ 21.00″ 18.75″ 16.25″ .063″ 15.75″ 1.63″ 13.25″ 2.25″ 1.32″ 2.19″ 1.12″ 12
16″ 16.16″ 23.50″ 21.25″ 18.50″ .063″ 18.00″ 1.75″ 15.25″ 2.50″ 1.38″ 2.44″ 1.12″ 16
18″ 18.18″ 25.00″ 22.75″ 21.00″ .063″ 19.88″ 1.94″ 17.25″ 2.69″ 1.50″ 2.63″ 1.25″ 16
20″ 20.20″ 27.50″ 25.00″ 23.00″ .063″ 22.00″ 2.13″ 19.25″ 2.88″ 1.63″ 2.83″ 1.25″ 20
22″ 22.22″ 29.50″ 27.25″ 25.25″ .063″ 24.25″ 2.38″ 21.25″ 3.13″ 1.75″ 3.07″ 1.38″ 20
24″ 24.25″ 32.00″ 29.50″ 27.25″ .063″ 26.12″ 2.50″ 23.25″ 3.25″ 1.82″ 3.19″ 1.38″ 20

 

SOCKET WELD FLANGE DIMENSIONS CLASS 300 ASME B16.5

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
Inside
Diameter
Outside
Diameter
Bolt Circle (BC) Raised Face (R) Raised Face (RF) H D ID 2* Raised Face Thickness (T) T1 Flat Face Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2″ 0.88″ 3.75″ 2.62″ 1.38″ .063″ 1.50″ .38″ 0.62″ 0.88″ 0.50″ 0.82″ 0.62″ 4
3/4″ 1.09″ 4.62″ 3.25″ 1.69″ .063″ 1.88″ .44″ 0.82″ 1.00″ .056″ 0.94″ 0.75″ 4
1″ 1.36″ 4.88″ 3.50″ 2.00″ .063″ 2.12″ .50″ 1.05″ 1.06″ 0.63″ 1.00″ 0.75″ 4
1-1/4″ 1.70″ 5.25″ 3.88″ 2.50″ .063″ 2.50″ .56″ 1.38″ 1.06″ 0.69″ 1.00″ 0.75″ 4
1-1/2″ 1.97″ 6.12″ 4.50″ 2.88″ .063″ 2.75″ .62″ 1.61″ 1.19″ 0.75″ 1.13″ 0.88″ 4
2″ 2.44″ 6.50″ 5.00″ 3.62″ .063″ 3.31″ .69″ 2.07″ 1.31″ 0.82″ 1.25″ 0.75″ 8
2-1/2″ 2.94″ 7.50″ 5.88″ 4.12″ .063″ 3.94″ .75″ 2.47″ 1.50″ 0.94″ 1.44″ 0.88″ 8
3″ 3.57″ 8.25″ 6.62″ 5.00″ .063″ 4.62″ .81″ 3.07″ 1.69″ 1.06″ 1.63″ 0.88″ 8

 

SOCKET WELD FLANGE DIMENSIONS CLASS 600 ASME B16.5

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
Inside
Diameter
Outside
Diameter
Bolt Circle (BC) Raised Face (R) Raised Face (RF) H D ID 2* Raised Face Thickness (T) T1 Flat Face Thickness (T2) Bolt Hole (B) No. of Bolt Holes
1/2″ 0.88″ 3.75″ 2.62″ 1.38″ .250″ 1.50″ .38″ 0.55″ 1.13″ 0.56″ 0.88″ 0.62″ 4
3/4″ 1.09″ 4.62″ 3.25″ 1.69″ .250″ 1.88″ .44″ 0.74″ 1.25″ 0.62″ 1.00″ 0.75″ 4
1″ 1.36″ 4.88″ 3.50″ 2.00″ .250″ 2.12″ .50″ 0.96″ 1.31″ 0.69″ 1.06″ 0.75″ 4
1-1/4″ 1.70″ 5.25″ 3.88″ 2.50″ .250″ 2.50″ .56″ 1.28″ 1.37″ 0.81″ 1.12″ 0.75″ 4
1-1/2″ 1.97″ 6.12″ 4.50″ 2.88″ .250″ 2.75″ .62″ 1.50″ 1.50″ 0.88″ 1.25″ 0.88″ 4
2″ 2.44″ 6.50″ 5.00″ 3.62″ .250″ 3.31″ .69″ 1.94″ 1.69″ 1.00″ 1.44″ 0.75″ 8
2-1/2″ 2.94″ 7.50″ 5.88″ 4.12″ .250″ 3.94″ .75″ 2.32″ 1.87″ 1.12″ 1.62″ 0.88″ 8
3″ 3.57″ 8.25″ 6.62″ 5.00″ .250″ 4.62″ .81″ 2.90″ 2.06″ 1.25″ 1.81″ 0.88″ 8

 

SOCKET WELD FLANGE DIMENSIONS CLASS 1500 ASME B16.5

Socket Weld Flange Dimensions ASME B16.5