WELD FLANGE DIMENSIONS
WELDING NECK FLANGES
|
||||||||
Nom.
Pipe Size |
150 lb.
|
300 lb
|
400 lb.
|
600 lb.
|
||||
Outside
Dia. of Flange O |
Length
Thru Hub Y1 |
Outside
Dia. of Flange O |
Length
Thru Hub Y1 |
Outside
Dia. of Flange O |
Length
Thru Hub Y2 |
Outside
Dia. of Flange O |
Length
Thru Hub Y2 |
|
1/2
|
3-1/2
|
1-7/8
|
3-3/4
|
2-1/16
|
For
sizes 3-1/2 and smaller use 600 lb. Standard |
3-3/4
|
2-1/16
|
|
3/4
|
3-7/8
|
2-1/16
|
4-5/8
|
2-1/4
|
4-5/8
|
2-1/4
|
||
1
|
4-1/4
|
2-3/16
|
4-7/8
|
2-7/16
|
4-7/8
|
2-7/16
|
||
1-1/4
|
4-5/8
|
2-1/4
|
5-1/4
|
2-9/16
|
5-1/4
|
2-5/8
|
||
1-1/2
|
5
|
2-7/16
|
6-1/8
|
2-11/16
|
6-1/8
|
2-3/4
|
||
2
|
6
|
2-1/2
|
6-1/2
|
2-3/4
|
6-1/2
|
2-7/8
|
||
2-1/2
|
7
|
2-3/4
|
7-1/2
|
3
|
7-1/2
|
3-1/8
|
||
3
|
7-1/2
|
2-3/4
|
8-1/4
|
3-1/8
|
8-1/4
|
3-1/4
|
||
3-1/2
|
8-1/2
|
2-13/16
|
9
|
3-3/16
|
—
|
—
|
9
|
3-3/8
|
4
|
9
|
3
|
10
|
3-3/8
|
10
|
3-1/2
|
10-3/4
|
4
|
5
|
10
|
3-1/2
|
11
|
3-7/8
|
11
|
4
|
13
|
4-1/2
|
6
|
11
|
3-1/2
|
12-1/2
|
3-7/8
|
12-1/2
|
4-1/16
|
14
|
4-5/8
|
8
|
13-1/2
|
4
|
15
|
4-3/8
|
15
|
4-5/8
|
16-1/2
|
5-1/4
|
10
|
16
|
4
|
17-1/2
|
4-5/8
|
17-1/2
|
4-7/8
|
20
|
6
|
12
|
19
|
4-1/2
|
20-1/2
|
5-1/8
|
20-1/2
|
5-3/8
|
22
|
6-1/8
|
14
|
21
|
5
|
23
|
5-5/8
|
23
|
5-7/8
|
23-3/4
|
6-1/2
|
16
|
23-1/2
|
5
|
25-1/2
|
5-3/4
|
25-1/2
|
6
|
27
|
7
|
18
|
25
|
5-1/2
|
28
|
6-1/4
|
28
|
6-1/2
|
29-1/4
|
7-1/4
|
20
|
27-1/2
|
5-11/16
|
30-1/2
|
6-3/8
|
30-1/2
|
6-5/8
|
32
|
7-1/2
|
22
|
29-1/2
|
5-7/8
|
33
|
6-1/2
|
33
|
6-3/4
|
34-1/4
|
7-3/4
|
24
|
32
|
6
|
36
|
6-5/8
|
36
|
6-7/8
|
37
|
8
|
26
|
34-1/4
|
5
|
38-1/4
|
7-1/4
|
38-1/4
|
7-5/8
|
40
|
8-3/4
|
30
|
38-3/4
|
5-1/8
|
43
|
8-1/4
|
43
|
8-5/8
|
44-1/2
|
9-3/4
|
34
|
43-3/4
|
5-5/16
|
47-1/2
|
9-1/8
|
47-1/2
|
9-1/2
|
49
|
10-5/8
|
36
|
46
|
5-3/8
|
50
|
9-1/2
|
50
|
9-7/8
|
51-3/4
|
11-1/8
|
42
|
53
|
5-5/8
|
57
|
10-7/8
|
57
|
11-3/8
|
58-3/4
|
12-3/4
|
1 The 1/16 inch raised face is included in “Length thru Hub ‘Y’.”
2 The 1/4 inch raised face is not included in “Length thru Hub ‘Y’.”
WELD FLANGE DIMENSIONS
SLIP-ON, THREADED, AND SOCKET TYPE FLANGES
|
||||||||
Nom.
Pipe Size |
150 lb.
|
300 lb
|
400 lb.
|
600 lb.
|
||||
Outside
Dia. O |
Length
Thru Hub Y1 |
Outside
Dia. O |
Length
Thru Hub Y1 |
Outside
Dia. O |
Length
Thru Hub Y2 |
Outside
Dia. |
Length
Thru Hub Y2 |
|
1/4
|
3-1/2
|
5/8*†
|
3-3/4
|
7/8*†
|
For
sizes 3-1/2 and smaller use 600 lb. Standard |
3-3/4
|
7/8*†
|
|
3/8
|
3-1/2
|
5/8*†
|
3-3/4
|
7/8*†
|
3-3/4
|
7/8*†
|
||
1/2
|
3-1/2
|
5/8
|
3-3/4
|
7/8
|
3-3/4
|
7/8
|
||
3/4
|
3-7/8
|
5/8
|
4-5/8
|
1
|
4-5/8
|
1
|
||
1
|
4-1/4
|
11/16
|
4-7/8
|
1-1/16
|
4-7/8
|
1-1/16
|
||
1-1/4
|
4-5/8
|
13/16
|
5-1/4
|
1-1/16
|
5-1/4
|
1-1/8
|
||
1-1/2
|
5
|
7/8
|
6-1/8
|
1-3/16
|
6-1/8
|
1-1/4
|
||
2
|
6
|
1
|
6-1/2
|
1-5/16
|
6-1/2
|
1-7/16
|
||
2-1/2
|
7
|
1-1/8
|
7-1/2
|
1-1/2
|
7-1/2
|
1-5/8
|
||
3
|
7-1/2
|
1-3/16
|
8-1/4
|
1-11/16
|
8-1/4
|
1-13/16
|
||
3-1/2
|
8-1/2
|
1-1/4
|
9
|
1-3/4
|
—
|
—
|
9
|
1-15/16
|
4
|
9
|
1-5/16
|
10
|
1-7/8
|
10
|
2‡
|
10-3/4
|
2-1/8‡
|
5
|
10
|
1-7/16
|
11
|
2‡
|
11
|
2-1/8‡
|
13
|
2-3/8‡
|
6
|
11
|
1-9/16
|
12-1/2
|
2-1/16‡
|
12-1/2
|
2-1/4‡
|
14
|
2-5/8‡
|
8
|
13-1/2
|
1-3/4
|
15
|
2-7/16‡
|
15
|
2-11/16‡
|
16-1/2
|
3‡
|
10
|
16
|
1-15/16
|
17-1/2
|
2-5/8‡
|
17-1/2
|
2-7/8‡
|
20
|
3-3/8‡
|
12
|
19
|
2-3/16
|
20-1/2
|
2-7/8‡
|
20-1/2
|
3-1/8‡
|
22
|
3-5/8‡
|
14
|
21
|
2-1/4
|
23
|
3‡
|
23
|
3-5/16‡
|
23-3/4
|
3-11/16‡
|
16
|
23-1/2
|
2-1/2
|
25-1/2
|
3-1/4‡
|
25-1/2
|
3-11/16‡
|
27
|
4-3/16‡
|
18
|
25
|
2-11/16
|
28
|
3-1/2‡
|
28
|
3-7/8‡
|
29-1/4
|
4-5/8‡
|
20
|
27-1/2
|
2-7/8
|
30-1/2
|
3-3/4‡
|
30-1/2
|
4‡
|
32
|
5‡
|
22
|
29-1/2
|
3-1/8†‡
|
33
|
4†‡
|
33
|
4-1/4†‡
|
34-1/4
|
5-1/4†‡
|
24
|
32
|
3-1/4
|
36
|
4-3/16‡
|
36
|
4-1/2‡
|
37
|
5-1/2‡
|
26
|
34-1/4
|
3-3/8†‡
|
38-1/4
|
7-1/4†‡
|
38-1/4
|
7-5/8†‡
|
40
|
8-3/4†‡
|
30
|
38-3/4
|
3-1/2†‡
|
43
|
8-1/4†‡
|
43
|
8-5/8†‡
|
44-1/2
|
9-3/4†‡
|
34
|
43-3/4
|
3-11/16†‡
|
47-1/2
|
9-1/8†‡
|
47-1/2
|
9-1/2†‡
|
49
|
10-5/8†‡
|
36
|
46
|
3-3/4†‡
|
50
|
9-1/2†‡
|
50
|
9-7/8†‡
|
51-3/4
|
11-1/8†‡
|
42
|
53
|
4†‡
|
57
|
10-7/8†‡
|
57
|
11-3/8†‡
|
58-3/4
|
12-3/4†‡
|
1 The 1/16 inch raised face is included in “Length thru Hub ‘Y’.”
2 The 1/4 inch raised face is not included in “Length thru Hub ‘Y’.”
* Not available in Slip-On type.
† Not available in Threaded type.
‡ Not available in Socket type.
WELD FLANGE DIMENSIONS
LAP JOINT FLANGES
|
||||||||
Nom.
Pipe Size |
150 lb.
|
300 lb
|
400 lb.
|
600 lb.
|
||||
Outside
Dia. of Flange O |
Length
Thru Hub Z1 |
Outside
Dia. of Flange O |
Length
Thru Hub Z1 |
Outside
Dia. of Flange O |
Length
Thru Hub Z2 |
Outside
Dia. of Flange O |
Length
Thru Hub Z2 |
|
1/2
|
3-1/2
|
5/8
|
3-3/4
|
7/8
|
For
sizes 3-1/2 and smaller use 600 lb. Standard |
3-3/4
|
7/8
|
|
3/4
|
3-7/8
|
5/8
|
4-5/8
|
1
|
4-5/8
|
1
|
||
1
|
4-1/4
|
11/16
|
4-7/8
|
1-1/16
|
4-7/8
|
1-1/16
|
||
1-1/4
|
4-5/8
|
13/16
|
5-1/4
|
1-1/16
|
5-1/4
|
1-1/8
|
||
1-1/2
|
5
|
7/8
|
6-1/8
|
1-3/16
|
6-1/8
|
1-1/4
|
||
2
|
6
|
1
|
6-1/2
|
1-5/16
|
6-1/2
|
1-7/16
|
||
2-1/2
|
7
|
1-1/8
|
7-1/2
|
1-1/2
|
7-1/2
|
1-5/8
|
||
3
|
7-1/2
|
1-3/16
|
8-1/4
|
1-11/16
|
8-1/4
|
1-13/16
|
||
3-1/2
|
8-1/2
|
1-1/4
|
9
|
1-3/4
|
—
|
—
|
9
|
1-15/16
|
4
|
9
|
1-5/16
|
10
|
1-7/8
|
10
|
2
|
10-3/4
|
2-1/8
|
5
|
10
|
1-7/16
|
11
|
2
|
11
|
2-1/8
|
13
|
2-3/8
|
6
|
11
|
1-9/16
|
12-1/2
|
2-1/16
|
12-1/2
|
2-1/4
|
14
|
2-5/8
|
8
|
13-1/2
|
1-3/4
|
15
|
2-7/16
|
15
|
2-11/16
|
16-1/2
|
3
|
10
|
16
|
1-15/16
|
17-1/2
|
3-3/4
|
17-1/2
|
4
|
20
|
4-3/8
|
12
|
19
|
2-3/16
|
20-1/2
|
4
|
20-1/2
|
4-1/4
|
22
|
4-5/8
|
14
|
21
|
3-1/8
|
23
|
4-3/8
|
23
|
4-5/8
|
23-3/4
|
5
|
16
|
23-1/2
|
3-7/16
|
25-1/2
|
4-3/4
|
25-1/2
|
5
|
27
|
5-1/2
|
18
|
25
|
3-13/16
|
28
|
5-1/8
|
28
|
5-3/8
|
29-1/4
|
6
|
20
|
27-1/2
|
4-1/16
|
30-1/2
|
5-1/2
|
30-1/2
|
5-3/4
|
32
|
6-1/2
|
24
|
32
|
4-3/8
|
36
|
6
|
36
|
6-1/4
|
37
|
7-1/4
|
WELD FLANGE DIMENSIONS
BLIND FLANGES
|
||||||||
Nom.
Pipe Size |
150 lb.
|
300 lb
|
400 lb.
|
600 lb.
|
||||
Outside
Dia. of Flange O |
Thick-
ness Q1 |
Outside
Dia. of Flange O |
Thick-
ness Q1 |
Outside
Dia. of Flange O |
Thick-
ness Q2 |
Outside
Dia. of Flange O |
Thick-
ness Q2 |
|
1/2
|
3-1/2
|
7/16
|
3-3/4
|
9/16
|
For
sizes 3-1/2 and smaller use 600 lb. Standard |
3-3/4
|
9/16
|
|
3/4
|
3-7/8
|
1/2
|
4-5/8
|
5/8
|
4-5/8
|
5/8
|
||
1
|
4-1/4
|
9/16
|
4-7/8
|
11/16
|
4-7/8
|
11/16
|
||
1-1/4
|
4-5/8
|
5/8
|
5-1/4
|
3/4
|
5-1/4
|
13/16
|
||
1-1/2
|
5
|
11/16
|
6-1/8
|
13/16
|
6-1/8
|
7/8
|
||
2
|
6
|
3/4
|
6-1/2
|
7/8
|
6-1/2
|
1
|
||
2-1/2
|
7
|
7/8
|
7-1/2
|
1
|
7-1/2
|
1-1/8
|
||
3
|
7-1/2
|
15/16
|
8-1/4
|
1-1/8
|
8-1/4
|
1-1/4
|
||
3-1/2
|
8-1/2
|
15/16
|
9
|
1-3/16
|
9
|
1-3/8
|
||
4
|
9
|
15/16
|
10
|
1-1/4
|
10
|
1-3/8
|
10-3/4
|
1-1/2
|
5
|
10
|
15/16
|
11
|
1-3/8
|
11
|
1-1/2
|
13
|
1-3/4
|
6
|
11
|
1
|
12-1/2
|
1-7/16
|
12-1/2
|
1-5/8
|
14
|
1-7/8
|
8
|
13-1/2
|
1-1/8
|
15
|
1-5/8
|
15
|
1-7/8
|
16-1/2
|
2-3/16
|
10
|
16
|
1-3/16
|
17-1/2
|
1-7/8
|
17-1/2
|
2-1/8
|
20
|
2-1/2
|
12
|
19
|
1-1/4
|
20-1/2
|
2
|
20-1/2
|
2-1/4
|
22
|
2-5/8
|
14
|
21
|
1-3/8
|
23
|
2-1/8
|
23
|
2-3/8
|
23-3/4
|
2-3/4
|
16
|
23-1/2
|
1-7/16
|
25-1/2
|
2-1/4
|
25-1/2
|
2-1/2
|
27
|
3
|
18
|
25
|
1-9/16
|
28
|
2-3/8
|
28
|
2-5/8
|
29-1/4
|
3-1/4
|
20
|
27-1/2
|
1-11/16
|
30-1/2
|
2-1/2
|
30-1/2
|
2-3/4
|
32
|
3-1/2
|
22
|
29-1/2
|
1-13/16
|
33
|
2-5/8
|
33
|
2-7/8
|
34-1/4
|
3-3/4
|
24
|
32
|
1-7/8
|
36
|
2-3/4
|
36
|
3
|
37
|
4
|
26
|
34-1/4
|
2
|
38-1/4
|
3-1/8
|
38-1/4
|
3-1/2
|
40
|
4-1/4
|
30
|
38-3/4
|
2-1/8
|
43
|
3-5/8
|
43
|
4
|
44-1/2
|
4-1/2
|
34
|
43-3/4
|
2-5/16
|
47-1/2
|
4
|
47-1/2
|
4-3/8
|
49
|
4-3/4
|
36
|
46
|
2-3/8
|
50
|
4-1/8
|
50
|
4-1/2
|
51-3/4
|
4-7/8
|
42
|
53
|
2-5/8
|
57
|
4-5/8
|
57
|
5-1/8
|
58-3/4
|
5-1/2
|
1 The 1/16 inch raised face is included in “Length thru Hub ‘Z’” and “Thickness ‘Q’.”
2 The 1/4 inch raised face is not included in “Length thru Hub ‘Z’” and “Thickness ‘Q’.”