FLANGES FOR PIPES, VALVES AND FITTINGS -
DIMENSIONS
1500 Lb
Nom. Pipe Size
Out Side Diam
Thick - ness
O. D. of Raised Face
Hub Diam.
Diam of Hub at Bevel
Length thru Hub
Bore
Depth of Socket
Approx. Weight (LPS)
Drilling
Wldg. Neck
Slip - on Threaded Sock. W.
Lap Joint
Wldg Neck
Slip - on Socket W.
Lap Joint
Wldg. Neck
Slip - on Threded Sock. W.
Lap Joint
Blind
No. of Holes
Diam of Holes
Bolt Circle Diam.
O
C
R
X
A
Y1
Y2
Y3
B1
B2
B3
D
1/2
3/4
1
4 3/4
5 1/8
5 7/8
7/8
1
1 1/8
13/8
11 1/16
2
1 1/2
1 3/4
2 1/16
0.84
10.5
1.35
2 3/8
2 3/4
2 7/8
1 1/4
1 3/8
1 5/8
1 1/4
1 3/8
1 5/8
0.88
1.09
1.36
0.90
1.11
1.38
3/8
7/16
1/2
5
6
9
4
5
8
4
5
8
4
6
8
4
4
4
7/8
7/8
1
3 1/4
3 1/2
4
1 1/4
1 1/2
2
6 1/4
7
8 1/2
1 1/8
1 1/4
1 1/2
2 1/2
2 7/8
3 5/8
2 1/2
2 3/4
4 1/8
1.66
1.90
2.38
2 7/8
3 1/4
4
1 5/8
1 3/4
2 1/4
1 5/8
1 3/4
2 1/4
1.70
1.95
2.44
1.72
1.97
2.46
9/16
5/8
11/16
10
13
25
9
12
25
9
12
15
9
13
25
4
4
8
1
1 1/8
1
4 3/8
4 7/8
6 1/2
2 1/2
3
3 1/2
9 5/8
10 1/2
-
1 5/8
1 7/8
-
4 1/8
5
-
4 7/8
5 1/4
-
2.88
3.50
-
4 1/8
4 5/8
-
2 1/2
2 7/8
-
2 1/2
2 7/8
-
2.94
3.57
-
2 .67
3.60
-
3/4
-
-
36
48
-
36
48
-
35
47
-
35
48
-
8
8
-
1 1/8
1 1/4
-
7 1/2
8
-
4
5
6
12 1/4
14 3/4
15 1/2
2 1/8
2 7/8
3 1/4
6 3/16
7 5/16
8 1/2
63/8
73/4
9
4.50
5.56
6.63
4 7/8
6 1/8
6 3/4
3 9/16
4 1/8
41 1/16
3 9/16
4 1/8
4 11/16
4.57
5.66
6.72
4.60
5.69
6.75
-
-
-
73
130
165
73
130
165
75
140
170
73
140
160
8
8
12
1 3/8
1 5/8
1 1/2
9 1/2
11 1/2
12 1/2
8
10
12
19
23
26 1/2
3 5/8
4 1/4
4 7/8
5 1/4
10 5/8
12 3/4
15
11 1/2
14 1/2
17 3/4
8.63
10.75
12.75
8 3/8
10
11 1/8
5 5/8
6 1/4
7 1/8
5 5/8
7
8 5/8
8.72
10.88
12.88
8.75
10.92
12.92
-
-
-
275
455
690
260
435
580
285
485
630
300
510
690
12
12
16
1 3/4
2
2 1/8
15 1/2
19
22 1/2
14
16
18
29 1/2
32 1/2
36
5 1/4
5 3/4
6 3/8
16 1/4
18 1/2
21
19 1/2
21 3/4
23 1/2
14.00
16.00
18.00
11 3/4
12 1/4
12 7/8
-
-
-
9 1/2
10 1/4
10 7/8
-
-
-
14.18
16.19
18.20
-
-
-
940
1250
1625
-
-
-
890
1150
1475
975
1300
1750
16
16
16
2 3/8
2 5/8
2 7/8
25
27 3/4
30 1/2
20
24
38 3/4
46
7
8
23
27 1/4
25 1/4
30
20.00
24.00
14
16
-
-
11 1/2
13
-
-
20.25
24.25
-
-
2050
3325
-
-
1775
2825
2225
3625
16
16
3 1/8
3 5/8
32 3/4
39
2500Lb
Nom. Pipe Size
Out Side Diam
Thick - ness
O. D. of Raised Face
Hub Diam.
Diam of Hub at Bevel
Length thru Hub
Bore
Depth of Socket
Approx. Weight (LPS)
Drilling
Wldg. Neck
Slip - on Threaded Sock. W.
Lap Joint
Wldg Neck
Slip - on Socket W.
Lap Joint
Wldg. Neck
Slip - on Threded Sock. W.
Lap Joint
Blind
No. of Holes
Diam of Holes
Bolt Circle Diam.
O
C
R
X
A
Y1
Y2
Y3
B1
B2
B3
D
1/2
3/4
1
5 1/4
5 1/2
6 1/4
1 3/16
1 1/4
1 3/8
1 3/4
1 11/16
2
1 11/16
2
2 1/4
0.84
1.05
1.35
2 7/8
3 1/8
3 1/2
1 9/16
1 11/16
1 7/8
1 9/16
1 11/16
1 7/8
0.88
1.09
1.36
0.90
1.11
1.38
7
8
12
7
8
11
7
8
11
7
8
11
4
4
4
7/8
7/8
1
3 1/2
3 3/4
4 1/4
1 1/4
1 1/2
2
7 1/4
8
9 1/4
1 1/2
1 3/14
2
2 1/2
2 7/8
3 5/8
2 7/8
3 1/8
3 3/4
1.66
1.90
2.38
3 3/4
4 3/8
5
2 1/6
2 3/8
2 3/4
2 1/6
2 3/8
2 3/4
1.70
1.95
2.44
1.72
1.97
2.46
17
25
42
16
22
38
16
22
37
17
23
39
4
4
8
1 1/8
1 1/4
1 1/8
5 1/8
5 3/4
6 3/4
2 1/2
3
3 1/2
10 1/2
12
-
2 1/4
2 5/8
-
4 1/8
5
-
4 1/2
5 1/2
-
2.88
3.50
-
5 5/8
6 5/8
-
3 1/8
3 5/8
-
3 1/8
3 5/8
-
2.94
3.57
-
2.97
3.60
-
52
94
-
55
83
-
53
80
-
56
86
-
8
8
-
1 1/4
1 3/8
-
7 3/4
9
-
4
5
6
14
16 1/2
19
3
3 5/8
4 1/4
6 3/16
7 5/16
8 1/2
6 1/2
8
9 1/4
4.50
5.56
6.63
4 1/4
5 1/8
6
4 1/2
5 1/8
6
4 1/2
5 1/8
6
4.57
5.66
5..66
4.60
5.69
6.75
145
245
380
125
210
325
120
205
315
135
225
345
8
8
8
1 5/8
1 7/8
2 1/8
10 3/4
12 3/4
14 1/2
8
10
12
21 3/4
26 1/2
30
5
6 1/2
7 1/4
10 5/8
12 3/4
15
12
14 3/4
17 3/8
8.63
10.75
12.75
7
9
10
7
9
10
7
9
10
8.72
10.88
12.88
8.75
10.92
12.92
580
1075
1525
485
930
1100
470
900
1100
530
1025
1300
12
12
12
2 1/8
2 5/8
2 7/8
17 1/4
21 1/4
24 3/8
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