FLANGES FOR PIPES, VALVES AND FITTINGS -

 
DIMENSIONS
 
For 400, 600, 900, 1500 and 2500 Lb.
 
FLANGES FOR PIPES, VALVES AND FITTINGS
UNIQUE CORPORATION
 
400 Lb (Sizes 1/2 "thru 31/2" are identical with 600 lb. flanges)
 
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
4
5
6
10
11
12 1/2
1 3/8
1 1/2
1 5/8
6 3/16
7 5/16
8 1/2
5 3/4
7
8 1/8
4.50
5.56
6.63
3 1/2
4
4 1/16
2
2 1/8
2 1/4
2
2 1/8
2 1/4
4.57
5.66
6.72
4.60
5.69
6.75
35
43
44
26
31
44
25
29
42

33
44
61

8
8
12
1
1
1
7 7/8
9 1/4
10 5/8
8
10
12
15
17 1/2
20 1/2
1 7/8
2 1/8
2 1/4
10 5/8
13 3/4
15
10 1/4
12 5/8
14 3/4
8063
10.75
12.75
4 5/8
4 7/8
5 3/8
2 11/16
2 7/8
3 1/8
21 1/16
4
41/4
8.75
10.88
12.88
8.75
10.92
12.92
89
125
175
67
91
130
64
110
150
100
155
225
12
16
16
1 1/8
1 1/4
1 3/8
13
15 1/4
17 3/4
14
16
18
23
25 1/2
28
2 3/8
2 1/2
2 5/8
16 1/4
18 1/2
21
16 3/4
19
21
14.00
16.00
18.00
5 7/8
6
6 1/2
3 5/16
3 11/16
3 7/8
4 5/8
5
5 3/8
14.14
16.16
18.18
14.18
16.19
18.20
230
295
350
180
235
285
205
260
315
290
370
455
20
20
24
1 3/8
1 1/2
1 1/2
20 1/4
22 1/2
24 3/4
20
24
30 1/2
36
2 3/4
3
23
27 1/4
23 1/8
27 5/8
20.00
24.00
6 5/8
6 7/8
4
4 1/5
5 3/8
6 1/4
20.20
24.25
20.25
24.25
425
620
345
510
385
570
587
890
24
24
1 5/8
1 7/8
27
32
 
600Lb
 
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
3 3/4
4 5/8
4 7/8
9/46
5/8
11/16
1 3/8
1 11/16
2
1/12
1 7/8
2 1/8
0.84
1.05
1.32
2 1/16
2 1/4
2 7/16
7/8
1
1 1/16
7/8
1
1 1/16
0.88
1.09
1.36
0.90
1.11
1.38
3/8
7/16
1/2
2
4
4
2
3
4
2
3
4
2
3
4
4
4
4
5/8
3/4
3/4
2 5/8
3 1/4
3 1/2
1 1/4
1 1/2
2
5 1/4
6 1/8
6 1/2
13/16
7/8
1
2 1/2
2 7/8
3 5/8

2 1/2
2 3/4
3 15/16

1.66
1.90
2.38
2 5/8
2 3/4
2 7/8
1 1/8
1 1/4
1 7/16
1 1/8
1 1/4
1 7/18
1.70
1.95
2.44
1.72
1.97
2.46
9/16
5/18
11/16
6
8
16
5
7
9
5
7
9
5
8
10
4
4
8
3/4
7/8
3/4
3 7/8
4 1/2
5
2 1/2
3
3 1/2
7 1/2
8 1/4
9
1 1/8
1 1/4
1 3/8
4 1/8
5
5 1/2
3 15/16
4 5/8
5 1/4
2.88
3.50
4.00
3 1/8
3 1/4
3 3/8
1 5/8
1 13/16
1 15/16
1 5/8
1 13/16
1 15/16
2.94
3.57
4.07
2.97
3.60
4.10
3/4
13/16
-
18
23
26
13
16
21
12
15
20
15
20
29
8
8
8
7/8
7/8
1
5 7/8
6 5/8
7 1/4
4
5
6
10 3/4
13
14
1 1/2
1 3/4
1 7/8
6 3/16
7 5/16
81/2
6
7 7/16
8 3/4
4.50
5.56
6.63
4
41/2
45/8
2 1/8
2 3/8
2 5/8
2 1/8
2 3/8
2 5/8
4.57
5.66
6.72
4.60
5.69
6.75
-
-
-
42
68
81
37
63
80
36
61
78
41
68
86
8
8
12
1
1 1/8
1 1/8
8 1/2
10 1/2
11 1/2
8
10
12
16 1/2
20
22
2 3/16
2 1/2
2 5/8
10 5/8
12 3/4
15
10 3/4
13 1/2
15 3/4
8.63
10.75
12.75
5 1/4
6
6 1/8
3
3 3/8
3 5/8
3
4 3/8
4 5/8
8.72
10.88
12.88
8.75
10.92
12.92
-
-
-
120
190
225
115
170
200
110
170
200
140
230
295
12
16
20
1 1/4
1 3/4
1 3/8
13 3/4
17
19 1/4
14
16
18
23 3/4
27
29 1/4
2 3/4
3
3 1/4
16 1/4
18 1/2
21
17
19 1/2
21 1/2
14.00
16.00
18.00
6 1/2
7
7 1/4
3 11/16
4 3/16
4 5/8
5
5 1/2
6
14.14
16.16
18.18
14.18
19.19
18.20
-
-
-
280
390
475
230
330
400
250
365
435
355
495
630
20
20
20
1 1/2
1 5/8
1 3/4
20 3/4
23 3/4
25 3/4
20
24
32
37
3 1/2
4
23
27 1/4
24
28 1/4
20.00
24.00
7 1/2
8
5
5 1/2
6 1/2
7 1/4
20.20
24.25
20.25
24.25
-
-
590
830
510
730
570
810
810
1250
24
24
1 3/4
2
28 1/2
33
 
900Lb (Sizes 1/2" thru21/2" are identical with 1500 lb. flanges)
 
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
3
4
5
6
9 1/2
11 1/2
13 3/4
15
1 1/2
1 3/4
2
2 3/16
5
6 3/16
7 5/16
8 1/2
5
6 1/4
7 1/2
9 1/4
3.50
4.50
5.56
6.63
4
4 1/2
5
5 1/2
2 1/8
2 3/4
3 1/8
3 3/8
2 1/8
2 3/4
3 1/8
3 3/8
3.57
4.57
5.66
6.72
3.60
4.60
5.69
6.75
-
-
-
31
53
86
110
26
53
83
110
25
51
81
105
29
54
87
115
8
8
8
12
1
1 1/4
1 3/8
2 1/4
7 1/2
9 1/4
11
12 1/2
8
10
12
18 1/2
21 1/2
24
2 1/2
2 3/4
3 1/8
10 5/8
12 3/4
15
11 3/4
14 1/2
16 1/2
8.63
10.75
12.75
6 3/8
7 1/4
7 7/8
4
4 1/4
4 5/8
4 1/2
5
5 5/8
8.72
10.88
12.88
8.75
10.92
12.92
-
-
-
175
260
325
170
245
325
190
275
370
200
290
415
12
16
20
1 1/2
1 1/2
1 1/2
15 1/2
18 1/2
21
14
16
18
25 1/4
27 3/4
31
3 3/8
3 1/2
4
16 1/4
18 1/2
21
17 3/4
20
22 1/4
14.00
16.00
18.00
8 3/8
8 1/2
9
5 1/8
5 1/4
6

6 1/2
6 1/2
7 1/2

14.14
16.16
18.18
14.18
16.19
18.20
-
-
-
400
495
680
400
425
600
415
465
650
520
600
850
20
20
20
1 5/8
1 3/4
2
22
24 1/4
27
20
24
33 3/4
41
4 1/4
5 1/2
23
27 1/4
24 1/2
29 1/2
20.00
24.00
9 3/4
11 1/2
6 1/4
8
8 1/4
10 1/2
20.20
24.25
20.25
24.25
-
-
830
1500
730
1400
810
1550
1075
2025
20
20
2 1/8
2 5/8
29 1/2
35 1/2
 
 
 
UNIQUE CORPORATION