ANSI B16.5 Flanges.xls

Flanges are are available as Weld Neck, Integral, Integral, Blinds, Targets Targets and Test Test Blinds for use with with the followin followin Rating

150lb

300lb

400lb

600lb

Max. Working Pressure

285 PSI

740 PSI

990 PSI

1480 PSI

Test Pressure

450 PSI

1125 PSI

1500 PSI

2225 PSI

Operating Temperature Range

-28 To +540 Deg C

-28 To +540 Deg C

-28 To +540 Deg C

-28 To +540 Deg C

General Note: All Dimensions are in Inches

Class 150 Flanges

S N O I S N E M I D E R O B D N A B U H

Nominal Pipe Size

Outside Diameter of Flange

D

T

A

E

1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 3.1/2 4 5 6 8 10 12 14 16 18 20 24

3.50 3.88 4.25 4.62 5.00 6.00 7.00 7.50 8.50 9.00 10.00 11.00 13.50 16.00 19.00 21.00 23.50 25.00 27.50 32.00

0.44 0.50 0.56 0.62 0.69 0.75 0.88 0.94 0.94 0.94 0.94 1.00 1.12 1.19 1.25 1.38 1.44 1.56 1.60 1.88

1.19 1.50 1.94 2.31 2.56 3.06 3.56 4.25 4.81 5.31 6.44 7.56 9.69 12.00 14.38 15.75 18.00 19.88 22.00 26.12

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.00 4.50 5.56 6.63 8.63 10.75 12.75 14.00 16.00 18.00 20.00 24.00

Class 300 Flanges

Min. Thickness of Flange

Diameter of Hub

Beginning of Chamfer at Welding Neck


Hub Diameter Beginning of Chamfer at Welding Neck

Nominal Pipe Size


D

T

A

E

1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 3.1/2 4 5 6 8 10 12 14 16 18 20 24

3.75 4.62 4.88 5.25 6.12 6.50 7.50 8.25 9.00 10.00 11.00 12.50 15.00 17.50 20.50 23.00 25.50 28.00 30.50 36.00

0.56 0.62 0.69 0.75 0.81 0.88 1.00 1.12 1.19 1.25 1.38 1.44 1.62 1.88 2.00 2.12 2.25 2.38 2.50 2.75

1.50 1.88 2.12 2.50 2.75 3.31 3.94 4.62 5.25 5.75 7.00 8.12 10.25 12.62 14.75 16.75 19.00 21.00 23.12 27.62

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.00 4.50 5.56 6.63 8.63 10.75 12.75 14.00 16.00 18.00 20.00 24.00


Diameter of Hub

Class 400 Flanges

Nominal Pipe Size


1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 3.1/2 4 5 6 8 10 12 14 16 18 20 24



Diameter of Hub


D

T

A

E

3.75 4.62 4.88 5.25 6.12 6.50 7.50 8.25 9.00 10.00 11.00 12.50 15.00 17.50 20.50 23.00 25.50 28.00 30.50 36.00

0.56 0.62 0.69 0.81 0.88 1.00 1.12 1.25 1.38 1.38 1.50 1.62 1.88 2.12 2.25 2.38 2.50 2.62 2.75 3.00

1.50 1.88 2.12 2.50 2.75 3.31 3.94 4.62 5.25 5.75 7.00 8.12 10.25 12.62 14.75 16.75 19.00 21.00 23.12 27.62

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.00 4.50 5.56 6.63 8.63 10.75 12.75 14.00 16.00 18.00 20.00 24.00

Class 600 Flanges



Nominal Pipe Size


D

T

A

E

1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 3.1/2 4 5 6 8 10 12 14 16 18 20 24

3.75 4.62 4.88 5.25 6.12 6.50 7.50 8.25 9.00 10.75 13.00 14.00 16.50 20.00 22.00 23.75 27.00 29.25 32.00 37.00

0.56 0.62 0.69 0.81 0.88 1.00 1.12 1.25 1.38 1.50 1.75 1.88 2.19 2.50 2.62 2.75 3.00 3.25 3.50 4.00

1.50 1.88 2.12 2.50 2.75 3.31 3.94 4.62 5.25 6.00 7.44 8.75 10.75 13.50 15.75 17.00 19.50 21.50 24.00 28.25

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.00 4.50 5.56 6.63 8.63 10.75 12.75 14.00 16.00 18.00 20.00 24.00


Diameter of Hub

Class 900 Flanges

Nominal Pipe Size


1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 4 5 6 8 10 12 14 16 18 20 24



Diameter of Hub


D

T

A

E

4.75 5.12 5.88 6.25 7.00 8.50 9.62 9.50 11.50 13.75 15.00 18.50 21.50 24.00 25.25 27.75 31.00 33.75 41.00

0.88 1.00 1.12 1.12 1.25 1.50 1.62 1.50 1.75 2.00 2.19 2.50 2.75 3.12 3.38 3.50 4.00 4.25 5.50

1.50 1.75 2.06 2.50 2.75 4.12 4.88 5.00 6.25 7.50 9.25 11.75 14.50 16.50 17.75 20.00 22.25 24.50 29.50

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.50 5.56 6.63 8.63 10.75 12.75 14.00 16.00 18.00 20.00 24.00

Class 1500 Flanges

Nominal Pipe Size


1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 4 5 6 8 10 12 14 16 18 20 24



Diameter of Hub


D

T

A

E

4.75 5.12 5.88 6.25 7.00 8.50 9.62 10.50 12.25 14.75 15.50 19.00 23.00 26.50 29.50 32.50 36.00 38.75 46.00

0.88 1.00 1.12 1.12 1.25 1.50 1.62 1.88 2.12 2.88 3.25 3.62 4.25 4.88 5.25 5.75 6.38 7.00 8.00

1.50 1.75 2.06 2.50 2.75 4.12 4.88 5.25 6.38 7.75 9.00 11.50 14.50 17.75 19.50 21.75 23.50 25.25 30.00

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.50 5.56 6.63 8.63 10.75 12.75 14.00 16.00 18.00 20.00 24.00

Class 2500 Flanges Hub Diameter

Nominal Pipe Size S N O I S N E M I D E R O B D N A B U H

1/2 3/4 1 1.1/4 1.1/2 2 2.1/2 3 4 5 6 8 10 12


Diameter of Hub

Beginning of Chamfer at Welding Neck

D

T

A

E

5.25 5.50 6.25 7.25 8.00 9.25 10.50 12.00 14.00 16.50 19.00 21.75 26.50 30.00

1.19 1.25 1.38 1.50 1.75 2.00 2.25 2.62 3.00 3.62 4.25 5.00 6.50 7.25

1.69 2.00 2.25 2.88 3.12 3.75 4.50 5.25 6.50 8.00 9.25 12.00 14.75 17.38

0.84 1.05 1.32 1.66 1.90 2.38 2.88 3.50 4.50 5.56 6.63 8.63 10.75 12.75

Diameter of Flange

pressure ratings: 900lb

1,500lb

2,500lb

2220 PSI

3705 PSI

6170 PSI

3350 PSI

5575 PSI

9275 PSI

-28 To +540 Deg C

-28 To +540 Deg C

-28 To +540 Deg C

Welding Neck Length Through Hub

Welding Neck Diameter of Bolt Diameter of Bolt Number of Bolts Bore Hole Cirlcle Holes

L

B

P

1.88 2.06 2.19 2.25 2.44 2.50 2.75 2.75 2.81 3.00 3.50 3.50 4.00 4.00 4.50 5.00 5.00 5.50 5.69 6.00

0.62 0.82 1.05 1.38 1.61 2.07 2.47 3.07 3.55 4.03 5.05 6.07 7.98 10.02 12.00

2.38 2.75 3.12 3.50 3.88 4.75 5.50 6.00 7.00 7.50 8.50 9.50 11.75 14.25 17.00 18.75 21.25 22.75 25.00 29.50

To be Specified by Purchaser

0.62 0.62 0.62 0.62 0.62 0.75 0.75 0.75 0.75 0.75 0.88 0.88 0.88 1.00 1.00 1.12 1.12 1.25 1.25 1.38

4 4 4 4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 20 20

Diameter of Bolts

1/2 1/2 1/2 1/2 1/2 5/8 5/8 5/8 5/8 5/8 3/4 3/4 3/4 7/8 7/8 1 1 1.1/8 1.1/8 1.1/4



L

B

P

2.06 2.25 2.44 2.56 2.69 2.75 3.00 3.12 3.19 3.38 3.88 3.88 4.38 4.62 5.12 5.62 5.75 6.25 6.38 6.62

0.62 0.82 1.05 1.38 1.61 2.07 2.47 3.07 3.55 4.03 5.05 6.07 7.98 10.02 12.00 12.00

2.62 3.25 3.50 3.88 4.50 5.00 5.88 6.62 7.25 7.88 9.25 10.62 13.00 15.25 17.75 20.25 22.50 24.75 27.00 32.00


0.62 0.75 0.75 0.75 0.88 0.75 0.88 0.88 0.88 0.88 0.88 0.88 1.00 1.12 1.25 1.25 1.38 1.38 1.38 1.62

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Diameter of Bolts

1/2 5/8 5/8 5/8 3/4 5/8 3/4 3/4 3/4 3/4 3/4 3/4 7/8 1 1.1/8 1.1/8 1.1/4 1.1/4 1.1/4 1.1/2


L 2.06 2.25 2.44 2.62 2.75 2.88 3.12 3.25 3.38 3.50 4.00 4.06 4.62 4.88 5.38 5.88 6.00 6.50 6.62 6.88


B

P


2.62 3.25 3.50 3.88 4.50 5.00 5.88 6.62 7.25 7.88 9.25 10.62 13.00 15.25 17.75 20.25 22.50 24.75 27.00 32.00

0.62 0.75 0.75 0.75 0.88 0.75 0.88 0.88 1.00 1.00 1.00 1.00 1.12 1.25 1.38 1.38 1.50 1.50 1.62 1.88

4 4 4 4 4 8 8 8 8 8 8 12 12 16 16 20 20 24 24 24

Diameter of Bolts

1/2 5/8 5/8 5/8 3/4 5/8 3/4 3/4 7/8 7/8 7/8 7/8 1 1.1/8 1.1/4 1.1/4 1.3/8 1.3/8 1.1/2 1.3/4


L 2.06 2.25 2.44 2.62 2.75 2.88 3.12 3.25 3.38 4.00 4.50 4.62 5.25 6.00 6.12 6.50 7.00 7.25 7.50 8.00


B

P


2.62 3.25 3.50 3.88 4.50 5.00 5.88 6.62 7.25 8.50 10.50 11.50 13.75 17.00 19.25 20.75 23.75 25.75 28.50 33.00

0.62 0.75 0.75 0.75 0.88 0.75 0.88 0.88 1.00 1.00 1.12 1.12 1.25 1.38 1.38 1.50 1.62 1.75 1.75 2.00

4 4 4 4 4 8 8 8 8 8 8 12 12 16 20 20 20 20 24 24

Diameter of Bolts

1/2 5/8 5/8 5/8 3/4 5/8 3/4 3/4 7/8 7/8 1 1 1.1/8 1.1/4 1.1/4 1.3/8 1.1/2 1.5/8 1.5/8 1.7/8


L 2.38 2.75 2.88 2.88 3.25 4.00 4.12 4.00 4.50 5.00 5.50 6.38 7.25 7.88 8.38 8.50 9.00 9.75 11.50


B

P


3.25 3.50 4.00 4.38 4.88 6.50 7.50 7.50 9.25 11.00 12.50 15.50 18.50 21.00 22.00 24.25 27.00 29.50 35.50

0.88 0.88 1.00 1.00 1.12 1.00 1.12 1.00 1.25 1.38 1.25 1.50 1.50 1.50 1.62 1.75 2.00 2.12 2.62

4 4 4 4 4 8 8 8 8 8 12 12 16 20 20 20 20 20 20

Diameter of Bolts

3/4 3/4 7/8 7/8 1 7/8 1 7/8 1.1/8 1.1/4 1.1/8 1.3/8 1.3/8 1.3/8 1.1/2 1.5/8 1.7/8 2 2.1/2


L 2.38 2.75 2.88 2.88 3.25 4.00 4.12 4.62 4.88 6.12 6.75 8.38 10.00 11.12 11.75 12.25 12.88 14.00 16.00


B

P


3.25 3.50 4.00 4.38 4.88 6.50 7.50 8.00 9.50 11.50 12.50 15.50 19.00 22.50 25.00 27.75 30.50 32.75 39.00

0.88 0.88 1.00 1.00 1.12 1.00 1.12 1.25 1.38 1.62 1.50 1.75 2.00 2.12 2.38 2.62 2.88 3.12 3.62

4 4 4 4 4 8 8 8 8 8 12 12 12 16 16 16 16 16 16

Diameter of Bolts

3/4 3/4 7/8 7/8 1 7/8 1 1.1/8 1.1/4 1.1/2 1.3/8 1.5/8 1.7/8 2 2.1/4 2.1/2 2.3/4 3 3.1/2

Length Through Hub

L 2.88 3.12 3.50 3.75 4.38 5.00 5.62 6.62 7.50 9.00 10.75 12.50 16.50 18.25


B

P


3.50 3.75 4.25 5.12 5.75 6.75 7.75 9.00 10.75 12.75 14.50 17.25 21.25 24.38

0.88 0.88 1.00 1.12 1.25 1.12 1.25 1.38 1.62 1.88 2.12 2.12 2.62 2.88

4 4 4 4 4 8 8 8 8 8 8 12 12 12

Diameter of Bolts

3/4 3/4 7/8 1 1.1/8 1 1.1/8 1.1/4 1.1/2 1.3/4 2 2 2.1/2 2.3/4

Length of Raised Face

Diameter of Raised Face

Total Thickness of Flange

2.25 2.50 2.50 2.75 2.75 3.25 3.50 3.50 3.50 3.50 3.75 4.00 4.25 4.50 4.75 5.25 5.25 5.75 6.25 6.75

3.00 3.25 3.25 3.75 4.00 4.00 4.00 4.00 4.25 4.50 4.75 5.00 5.25 5.75 5.75 6.25 6.75 7.25




2.50 3.00 3.00 3.25 3.50 3.50 4.00 4.25 4.25 4.50 4.75 4.75 5.50 6.25 6.75 7.00 7.50 7.75 8.00 9.00

3.00 3.50 3.50 3.75 4.00 4.00 4.50 4.75 4.75 5.00 5.25 5.25 6.00 6.75 7.25 7.50 8.00 8.25 8.75 10.00




3.00 3.50 3.50 3.75 4.25 4.25 4.75 5.00 5.50 5.50 5.75 6.00 6.75 7.50 8.00 8.25 8.75 9.00 9.50 10.50

3.00 3.50 3.50 3.75 4.25 4.25 4.75 5.00 5.50 5.50 5.75 6.00 6.75 7.50 8.00 8.25 8.75 9.00 9.75 11.00

Length of Raised Face Diameter of Raised Face


3.00 3.50 3.50 3.75 4.25 4.25 4.75 5.00 5.50 5.75 6.50 6.75 7.50 8.50 8.75 9.25 10.00 10.75 11.25 13.00

3.00 3.50 3.50 3.75 4.25 4.25 4.75 5.00 5.50 5.75 6.50 6.75 7.50 8.50 8.75 9.25 10.00 10.75 11.50 13.25



4.25 4.50 5.00 5.00 5.50 5.75 6.25 5.75 6.75 7.50 7.50 8.75 9.25 10.00 10.75 11.25 12.75 13.75 17.25

4.25 4.50 5.00 5.00 5.50 5.75 6.25 5.75 6.75 7.50 7.50 8.75 9.25 10.00 11.00 11.50 13.25 14.25 18.00



4.25 4.50 5.00 5.00 5.50 5.75 6.25 7.00 7.75 9.75 10.25 11.50 13.25 14.75 16.00 17.50 19.50 21.25 24.25

4.25 4.50 5.00 5.00 5.50 5.75 6.25 7.00 7.75 9.75 10.50 11.75 13.50 15.25 16.75 18.50 20.75 22.25 25.50




4.75 5.00 5.50 6.00 6.75 7.00 7.75 8.75 10.00 11.75 13.50 15.00 19.25 21.25

4.75 5.00 5.50 6.00 6.75 7.00 8.00 9.00 10.25 12.25 14.00 15.50 20.00 22.00

ANSI B16.5 Flanges.xls

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