ANSI/ASME B16.5 Studding Outlet Flange Dimensions

Studding outlet flange is designed to be installation in the inside or outside of vessels and tanks. The curving of the outlet should be ordered to fit the curvature of the shell, head or cone. These flanges can be ordered with test holes (normally with a 1/8″ tap unless specified). All classes 150 thru 2500 have a 1/16″ raised face.

Studding Outlet Flange Dimensions & Approximate Masses

Raised Face

ANSI/ASME B16.5 Studding Outlet Flange Class 150

20190211063948 77463 - ANSI/ASME B16.5 Studding Outlet Flange Dimensions

Pipe Size

(NPS)

Outside

Diameter

of

Flange

A

Diameter

of

Raised

Face

B

Thickness

of

Flange


C

Diameter

of

Bore


D

Hole

Size

 

HS

Hole

Depth

 

HD

Tap

Depth

 

TD

Number

of

Bolt

Holes

Tap

Size

 

TS

Threads

Per

Inch

TPI

Bolt

Circle

Diameter


P

Flat

Bottom

Approx.

Weight

1/2 3 1/2 1 3/8 1 1/4 0.62 27/64 0.88 0.56 4 1/2 13 2 3/8 3
3/4 3 7/8 1 11/16 1 1/4 0.82 27/64 0.88 0.56 4 1/2 13 2 3/4 3.7
1 4 1/4 2 1 1/4 1.05 27/64 0.88 0.56 4 1/2 13 3 1/8 4.3
1 1/4 4 5/8 2 1/2 1 1/4 1.38 27/64 0.88 0.56 4 1/2 13 3 1/2 5.1
1 1/2 5 2 7/8 1 1/4 1.61 27/64 0.88 0.56 4 1/2 13 3 7/8 5.9
2 6 3 5/8 1 1/2 2.07 17/32 1.12 0.75 4 5/8 11 4 3/4 10.2
2 1/2 7 4 1/8 1 1/2 2.47 17/32 1.12 0.75 4 5/8 11 5 1/2 14
3 7 1/2 5 1 1/2 3.07 17/32 1.12 0.75 4 5/8 11 6 15
3 1/2 8 1/2 5 1/2 1 1/2 3.55 17/32 1.12 0.75 8 5/8 11 7 19
4 9 6 3/16 1 1/2 4.03 17/32 1.12 0.75 8 5/8 11 3/4 7 1/2 20
5 10 7 5/16 1 3/4 5.05 21/32 1.31 0.88 8 3/4 10 8 1/2 28
6 11 8 1/2 1 3/4 6.07 21/32 1.31 0.88 8 3/4 10 9 1/2 31
8 13 1/2 10 5/8 1 3/4 7.98 21/32 1.31 0.88 8 3/4 10 11 3/4 46
10 16 12 3/4 1 13/16 10.02 49/64 1.44 1.00 12 7/8 9 14 1/4 58
12 19 15 1 13/16 12.00 49/64 1.44 1.00 12 7/8 9 17 83
14 21 16 1/4 2 13.25 7/8 1.56 1.12 12 1 8 18 3/4 102
16 23 1/2 18 1/2 2 15.25 7/8 1.56 1.12 16 1 8 21 1/4 123
18 25 21 2 1/4 17.25 1 1.81 1.25 16 1 1/8 8 22 3/4 140
20 27 1/2 23 2 1/4 19.25 1 1.81 1.25 20 1 1/8 8 25 166
22
24 32 27 1/4 2 1/2 23.25 1 1/8 2.12 1.44 20 1 1/4 8 29 1/2 231

ANSI/ASME B16.5 Studding Outlet Flange Class 300

20190211063948 77463 - ANSI/ASME B16.5 Studding Outlet Flange Dimensions

Pipe Size

(NPS)

Outside

Diameter

of

Flange

A

Diameter

of

Raised

Face

B

Thickness

of

Flange


C

Diameter

of

Bore


D

Hole

Size

Hole

Depth

 


J

Tap

Depth

 


K

Number

of

Bolt

Holes

Tap

Size

Threads

Per

Inch

(TPI)

Bolt

Circle

Diameter


P

Flat

Bottom

Approx.

Weight

1/2 3 3/4 1 3/8 1 1/4 0.62 27/64 0.88 0.56 4 1/2 13 2 5/8 3.5
3/4 4 5/8 1 11/16 1 1/2 0.82 17/32 1.12 0.75 4 5/8 11 3 1/4 6.4
1 4 7/8 2 1 1/2 1.05 17/32 1.12 .75 4 5/8 11 3 1/2 7
1 1/4 5 1/4 2 1/2 1 1/2 1.38 17/32 1.12 .75 4 5/8 11 3 7/8 8
1 1/2 6 1/8 2 7/8 1 3/4 1.61 21/32 1.31 0.88 4 3/4 10 4 1/2 13
2 6 1/2 3 5/8 1 1/2 2.07 17/32 1.12 .75 8 5/8 11 5 12
2 1/2 7 1/2 4 1/8 1 3/4 2.47 21/32 1.31 0.88 8 3/4 10 5 7/8 18
3 8 1/4 5 1 3/4 3.07 21/32 1.31 0.88 8 3/4 10 6 5/8 22
3 1/2 9 5 1/2 1 3/4 3.55 21/32 1.31 0.88 8 3/4 10 7 1/4 25
4 10 6 3/16 1 3/4 4.03 21/32 1.31 0.88 8 3/4 10 7 7/8 30
5 11 7 5/16 1 3/4 5.05 21/32 1.31 0.88 8 3/4 10 9 1/4 36
6 12 1/2 8 1/2 1 3/4 6.07 21/32 1.31 0.88 12 3/4 10 10 5/8 44
8 15 10 5/8 1 7/8 7.98 49/64 1.44 1.00 12 7/8 9 13 63
10 17 1/2 12 3/4 2 1/8 10.02 7/8 1.56 1.12 16 1 8 15 1/4 90
12 20 1/2 15 2 1/4 12.00 1 1.81 1.25 16 1 1/8 8 17 3/4 127
14 23 16 1/4 2 1/4 13.25 1 1.81 1.25 20 1 1/8 8 20 1/4 153
16 25 1/2 18 1/2 2 1/4 15.25 1 1/8 2.12 1.44 20 1 1/4 8 22 1/2 201
18 28 21 2 1/2 17.25 1 1/8 2.12 1.44 24 1 1/4 8 24 3/4 235
20 30 1/2 23 2 1/2 19.25 1 1/8 2.12 1.44 24 1 1/4 8 27 273
22
24 36 27 1/4 2 7/8 23.25 1 3/8 2.38 1.69 24 1 1/2 8 32 425

ANSI/ASME B16.5 Studding Outlet Flange Class 2500

20190211064224 96970 - ANSI/ASME B16.5 Studding Outlet Flange Dimensions

Pipe Size

(NPS)

Outside

Diameter

of

Flange

A

Diameter

of

Raised

Face

B

Thickness

of

Flange


C

Diameter

of

Bore


D

Hole

Size

Hole

Depth

 


J

Tap

Depth

 


K

Number

of

Bolt

Holes

Tap

Size

Threads

Per

Inch

(TPI)

Bolt

Circle

Diameter


P

Flat

Bottom

Approx.

Weight

1/2 5 1/4 1 3/8 2 *1 21/32 1.31 0.88 4 3/4 10 3 1/2 10
3/4 5 1/2 1 11/16 2 *1 21/32 1.31 0.88 4 3/4 10 3 3/4 11
1 6 1/4 2 2 1/8 *1 49/64 1.44 1.00 4 7/8 9 4 1/4 15
1 1/4 7 1/4 2 1/2 2 1/4 *1 7/8 1.56 1.12 4 1 8 5 1/8 22
1 1/2 8 2 7/8 2 1/2 *1 1 1.81 1.25 4 1 1/8 8 5 3/4 29
2 9 1/4 3 5/8 2 1/4 *1 7/8 1.56 1.12 8 1 8 6 3/4 34
2 1/2 10 1/2 4 1/8 2 1/2 *1 1 1.81 1.25 8 1 1/8 8 7 3/4 49
3 12 5 2 3/4 *1 1 1/8 2.12 1.44 8 1 1/4 8 9 71
3 1/2
4 14 6 3/16 3 1/4 *1 1 3/8 2.38 1.69 8 1 1/2 8 10 3/4 112
5 16 1/2 7 5/16 3 3/4 *1 1 5/8 2.81 2.00 8 1 1/2 8 12 3/4 179
6 19 8 1/2 4 1/8 *1 1 7/8 3.31 2.25 8 2 8 14 1/2 259
8 21 3/4 10 5/8 4 3/8 *1 1 7/8 3.31 2.25 12 2 8 17 1/4 345
10 26 1/2 12 3/4 5 1/8 *1 2 3/8 4.00 2.81 12 2 1/2 8 21 1/4 590
12 30 15 5 1/2 *1 2 5/8 4.38 3.12 12 2 3/4 8 24 3/8 799

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