Buttweld Fitting Dimension

Nom. Pipe Size In.
OD
Wall Thickness T
90° Elbows
90° Returns
45° Elbows
Tees
Caps
Crosses
Stub Ends
ST
XS
160
XX

Long R

A

Short R

A

Long R

K

Short R

K

B
C
E
C
F
G
1/2
0.840
0.109
0.147
1-1/2
1-15/16
5/8
1
1
3
1-3/8
3/4
1.050
0.113
0.154
0.308
1-1/8
1-11/16
7/16
1-1/8
1-1/4
3
1-11/16
1
1.315
0.133
0.179
0.250
0.358
1-1/2
1
2-3/16
1-5/8
7/8
1-1/2
1-1/2
4
2
1-1/4
1.660
0.140
0.191
0.250
0.382
1-7/8
1-1/4
2-3/4
2-11/16
1
1-7/8
1-1/2
1-7/8
4
2-1/2
1-1/2
1.900
0.145
0.200
0.281
0.400
2-1/4
1-1/2
3-1/4
2-7/16
1-1/8
2-1/4
1-1/2
2-1/4
4
2-7/8
2
2.375
0.154
0.218
0.344
0.436
3
2
4-3/16
3-3/16
1-3/8
2-1/2
1-1/2*
2-1/2
6
3-5/8
2-1/2
2.875
0.203
0.276
0.375
0.552
3-3/4
2-1/2
5-3/16
3-15/16
1-3/4
3
1-1/2
3
6
4-1/8
3
3.500
0.216
0.300
0.438
0.600
4-1/2
3
6-1/4
4-3/4
2
3-3/8
2*
3-3/8
6
5
3-1/2
4.000
0.226
0.318
0.636
5-1/4
3-1/2
7-1/4
5-1/2
2-1/4
3-3/4
2-1/2*
3-3/4
6
5-1/2
4
4.500
0.237
0.337
0.531
0.674
6
4
8-1/4
6-1/4
2-1/2
4-1/8
2-1/2*
4-1/8
6
6-3/16
5
5.563
0.258
0.375
0.625
0.750
7-1/2
5
10-5/16
7-3/4
3-1/8
4-7/8
3*
4-7/8
8
7-5/16
6
6.625
0.280
0.432
0.719
0.864
9
6
12-5/16
9-5/16
3-3/4
5-5/8
3-1/2*
5-5/8
8
8-1/2
8
8.625
0.322
0.500
0.906
0.875
12
8
16-5/16
12-5/16
5
7
4*
7
8
10-5/8
10
10.750
0.365
0.500
1.125
1.000
15
10
20-3/8
15-3/8
6-1/4
8-1/2
5*
8-1/2
10
12-3/4
12
12.750
0.375
0.500
1.312
1.000
18
12
24-3/8
18-3/8
7-1/2
10
6*
10
10
15
14
14.000
0.375
0.500
21
14
28
21
8-3/4
11
6-1/2*
11
12
16-1/4
16
16.000
0.375
0.500
24
16
32
24
10
12
7*
12
12
18-1/2
18
18.000
0.375
0.500
27
18
36
27
11-1/4
13-1/2
8*
13-1/2
12
21
20
20.000
0.375
0.500
30
20
40
30
12-1/2
15
9*
15
12
23
22
22.000
0.375
0.500
33
44
13-1/2
16-1/2
10
16-1/2
24
24.000
0.375
0.500
36
24
48
36
15
17
10-1/2
17
12
27-1/4
26
26.000
0.375
0.500
39
52
16
19-1/2
10-1/2
19-1/2
30
30.000
0.375
0.500
45
30
60
45
18-1/2
22
10-1/2
22
34
34.000
0.375
0.500
51
21
25
10-1/2
25
36
36.000
0.375
0.500
54
36
54
22-1/4
26-1/2
10-1/2
42
42.000
0.375
0.500
63
42
26
12

*Dimensions apply to St and XS only.

B16.9 Elbow Dimension

B16.9 Elbow Dimension

Nominal Pipe Size (NPS) Outside Diameter at Bevel (OD) Center To End
Long Radius Elbow Short Radius Elbow
90 Deg. A 45 Deg. B 90 Deg. A
1/2 21.3 38.1 15.7
3/4 26.7 38.1 19.1
1 33.4 38.1 22.4 25.4
1-1/4 42.2 47.8 25.4 31.8
1-1/2 48.3 57.2 28.4 38.1
2 60.3 76.2 35.1 50.8
2-1/2 73.0 95.2 44.4 63.5
3 88.9 114.3 50.8 76.2
3-1/2 101.6 133.4 57.2 88.9
4 114.3 152.4 63.5 101.6
5 141.3 190.5 79.2 127.0
6 168.3 228.6 95.2 152.4
8 219.1 304.8 127.0 203.2
10 273.1 381.0 158.8 254.0
12 323.9 457.2 190.5 304.8
14 355.6 533.4 222.2 355.6
16 406.4 609.6 254.0 406.4
18 457.2 685.8 285.8 457.2
20 508.0 762.0 317.5 508.0
22 558.8 838.2 342.9 558.8
24 609.6 914.4 381.0 609.6
26 660.4 990.6 406.4 660.4
28 711.2 1066.8 438.2 711.2
30 762.0 1143.0 469.9 762.0
32 812.8 1219.2 501.6 812.8
34 863.6 1295.4 533.4 863.6
36 914.4 1371.6 565.2 914.4
38 965.2 1447.8 599.9
40 1016.0 1524.0 632.0 1016.0
42 1066.8 1600.2 660.4 1066.8
44 1117.6 1676.4 695.5 1117.6
46 1168.4 1752.6 726.9
48 1219.2 1828.8 759.0 1219.2
52* 1320.8 1320.8
54* 1371.6 2057.4 852.2 1371.6
56* 1422.4 2133.6 883.8 1422.4
60* 1524.0 2286.0 946.9 1524.0
66* 1676.4 2514.6 1041.6
68* 1727.0 2591 1073 1727
72* 1829.0 2743 1137 1829
76* 1930.0 2896 1199 1930
80* 2032.0 3048 1263 2032

Equal Tee Dimension

Equal Tee/ Reducing Tee Dimensions

Nominal Pipe Size (NPS) Outside Diameter At Bevel D Center to End Nominal Pipe Size (NPS) Outside Diameter At Bevel D Center to End
Run Outlet Run C Outlet (1) M Run Outlet Run C Outlet (1) M
1/2  x 1/2 21.3 21.3 25.4 25.4 4 x 4 114.3 114.3 104.6 104.6
1/2  x 3/8 17.1 25.4 4 x 3-1/2 101.6 101.6
1/2 x 1/4 13.7 25.4 4 x 3 88.9 98.6
3/4 x 3/4 26.7 26.7 28.4 28.4 4 x 2-1/2 73.0 95.2
3/4 x 1/2 21.3 28.4 4 x 2 60.3 88.9
3/4 x 3/8 17.1 28.4 4 x 1-1/2 48.3 85.9
1 x 1 33.4 33.4 38.1 38.1 4 x 1-1/4 42.2
1 x 3/4 26.7 38.1 4 x 1* 33.5
1 x 1/2 21.3 38.1 5 x 5 141.3 141.3 124.0 124.0
1-1/4 x 1-1/4 42.2 42.2 47.8 47.8 5 x 4 114.3 117.3
1-1/4 x 1 33.4 47.8 5 x 3-1/2 101.6 114.3
1-1/4 x 3/4 26.7 47.8 5 x 3 88.9 111.3
1-1/4 x 1/2 21.3 47.8 5 x 2-1/2 73.0 108.0
1-1/2 x 1-1/2 48.3 48.3 57.2 57.2 5 x 2 60.3 104.6
1-1/2 x 1-1/4 42.2 57.2 5 x 1-1/2* 48.3
1-1/2 x 1 33.4 57.2 5 x 6 168.3 168.3 142.7 142.7
1-1/2 x 3/4 26.7 57.2 6 x 5 141.3 136.7
1-1/2 x 1/2 21.3 57.2 6 x 4 114.3 130.0
2 x 2 60.3 60.3 63.5 63.5 6 x 3-1/2 101.6 127.0
2 x 1-1/2 48.3 60.5 6 x 3 88.9 124.0
2 x 1-1/4 42.2 57.2 6 x 2-1/2 73.0 120.6
2 x 1 33.4 50.8 6 x 2* 60.3
2 x 3/4 26.7 44.4 6 x 8 219.1 219.1 177.8 177.8
2 x 1/2* 21.3 6 x 6 168.3 168.1
2-1/2 x 2-1/2 73.0 73.0 76.2 76.2 8 x 5 141.3 162.1
2-1/2 x 2 60.3 69.8 8 x 4 114.3 155.4
2-1/2 x 1-1/2 48.3 66.5 8 x 3-1/2 101.6 152.4
2-1/2 x 1-1/4 42.2 63.5 8 x 3* 88.9
2-1/2 x 1 33.4 57.2 10 x 10 273.1 273.1 215.9 215.9
3 x 3 88.9 88.9 85.9 85.9 10 x 8 219.1 203.2
3 x 2-1/2 73.0 82.6 10 x 6 168.3 193.5
3 x 2 60.3 76.2 10 x 5 141.3 190.5
3 x 1-1/2 48.3 73.2 10 x 4 114.3 184.2
3 x 1-1/4 42.2 69.8 12 x 12 323.9 323.9 254.0 254.0
3 x 1* 33.4 12 x 10 273.1 241.3
3-1/2 x 3-1/2 101.6 101.6 95.2 95.2 12 x 8 219.1 228.6
3-1/2 x 3 88.9 91.9 12 x 6 168.3 218.9
3-1/2 x 2-1/2 73.0 88.9 12 x 5 141.3 215.9
3-1/2 x 2 60.3 82.6
3-1/2  x 1-1/2 48.3 79.2

Outlet dimension “M” for run sizes 14 and larger is recommended but not mandatory.

Reducing Dimension

Reducer Dimensions

Nominal Pipe Size Large End Small End End to End Weight
OD at Bevel
OD Level Icon
OD at Bevel
OD Level Icon
Dimension
Dimension Icon
40S/STD1
STD ICON
in mm in mm in mm kg/piece
3/4 1/2 1.05 27 0.84 21 1.50 38 0.06
3/4 3/8 1.05 27 0.68 17 1.50 38
1Ö3/4 1.32 33 1.05 27 2.00 51 0.12
1 1/2 1.32 32 0.84 21 2.00 51 0.11
11/4 1 1.66 42 1.32 33 2.00 51 0.16
11/4 3/4 1.66 42 1.05 27 2.00 51 0.14
11/4 1/2 1.66 42 0.84 21 2.00 51 0.13
11/2 11/4 1.90 48 1.66 42 2.50 64 0.24
11/2 1 1.90 48 1.32 33 2.50 64 0.22
11/2 3/4 1.90 48 1.05 27 2.50 64 0.20
11/2 1/2 1.90 48 0.84 21 2.50 64 0.18
2 11/2 2.38 60 1.90 48 3.00 76 0.37
2 11/4 2.38 60 1.66 42 3.00 76 0.35
2 1 2.38 60 1.32 33 3.00 76 0.32
2 3/4 2.38 60 1.05 27 3.00 76 0.30
21/2 2 2.88 73 2.38 60 3.50 89 0.72
21/2 11/2 2.88 73 1.90 48 3.50 89 0.66
21/2 11/4 2.88 73 1.66 42 3.50 89 0.63
21/2 1 2.88 73 1.32 33 3.50 89
3 21/2 3.50 89 2.88 73 3.50 89 0.93
3 2 3.50 89 2.38 60 3.50 89 0.85
3 11/2 3.50 89 1.90 48 3.50 89 0.78
3 11/4 3.50 89 1.66 42 3.50 89 0.75
31/2 3 4.00 102 3.50 89 4.00 102
31/2 21/2 4.00 102 2.88 73 4.00 102
31/2 2 4.00 102 2.38 60 4.00 102
31/2 11/2 4.00 102 1.90 48 4.00 102
Reducers 31/2 11/4, and 4, 5, 6, & 8 3 1/2 are also available
4 31/2 4.50 114 4.00 102 4.00 102
4 3 4.50 114 3.50 89 4.00 102 1.45
4 21/2 4.50 114 2.88 73 4.00 102 1.37
4 2 4.50 114 2.38 60 4.00 102 1.27
4 11/2 4.50 114 1.90 48 4.00 102 1.18
5 4 5.56 141 4.50 114 5.00 127 2.50
5 3 5.56 141 3.50 89 5.00 127 2.27