Permanent Steel Manufacturing Co.,Ltd
-

Blind Bridas
CLASS 150 According to ASTM A/SA-105; ANSI B16.5
|
Nominal Pipe Size
|
Outside Diam. of Flange (O)
|
Thick. of Flange (C)
|
Diam. of Raised Face (R)
|
No. of Holes
|
Diam. of Holes
|
Diam. of Bolts
|
Diam. of Bolt Circle
|
Approx. Weight (in Pounds)
|
1/2
|
3.5
|
0.44
|
1.38
|
4
|
0.62
|
0.5
|
2.38
|
1
|
3/4
|
3.88
|
0.5
|
1.69
|
4
|
0.62
|
0.5
|
2.75
|
2
|
1
|
4.25
|
0.56
|
2
|
4
|
0.62
|
0.5
|
3.12
|
2
|
1 1/4
|
4.62
|
0.62
|
2.5
|
4
|
0.62
|
0.5
|
3.5
|
3
|
1 1/2
|
5
|
0.69
|
2.88
|
4
|
0.62
|
0.5
|
3.88
|
4
|
2
|
6
|
0.75
|
3.62
|
4
|
0.75
|
0.62
|
4.75
|
5
|
2 1/2
|
7
|
0.88
|
4.12
|
4
|
0.75
|
0.62
|
5.5
|
7
|
3
|
7.5
|
0.94
|
5
|
4
|
0.75
|
0.62
|
6
|
9
|
3 1/2
|
8.5
|
0.94
|
5.5
|
8
|
0.75
|
0.62
|
7
|
13
|
4
|
9
|
0.94
|
6.19
|
8
|
0.75
|
0.62
|
7.5
|
17
|
5
|
10
|
0.94
|
7.31
|
8
|
0.88
|
0.75
|
8.5
|
20
|
6
|
11
|
1
|
8.5
|
8
|
0.88
|
0.75
|
9.5
|
26
|
8
|
13.5
|
1.12
|
10.62
|
8
|
0.88
|
0.75
|
11.75
|
45
|
10
|
16
|
1.19
|
12.75
|
12
|
1
|
0.88
|
14.25
|
70
|
12
|
19
|
1.25
|
15
|
12
|
1
|
0.88
|
17
|
110
|
14
|
21
|
1.38
|
16.25
|
12
|
1.12
|
1
|
18.75
|
140
|
16
|
23.5
|
1.44
|
18.5
|
16
|
1.12
|
1
|
21.25
|
180
|
18
|
25
|
1.56
|
21
|
16
|
1.25
|
1.12
|
22.75
|
220
|
20
|
27.5
|
1.69
|
23
|
20
|
1.25
|
1.12
|
25
|
285
|
24
|
32
|
1.88
|
27.25
|
20
|
1.38
|
1.25
|
29.5
|
430
|
|
|
|
|
|
|
|
|
|
CLASS 300 According to ASTM A/SA-105; ANSI B16.5
|
Nominal Pipe Size
|
Outside Diam. of Flange (O)
|
Thick. of Flange (C)
|
Diam. of Raised Face (R)
|
No. of Holes
|
Diam. of Holes
|
Diam. of Bolts
|
Diam. of Bolt Circle
|
Approx. Weight (in Pounds)
|
1/2
|
3.75
|
0.56
|
1.38
|
4
|
0.62
|
0.5
|
2.62
|
2
|
3/4
|
4.62
|
0.62
|
1.69
|
4
|
0.75
|
0.62
|
3.25
|
3
|
1
|
4.88
|
0.69
|
2
|
4
|
0.75
|
0.62
|
3.5
|
3
|
1 1/4
|
5.25
|
0.75
|
2.5
|
4
|
0.75
|
0.62
|
3.88
|
4
|
1 1/2
|
6.12
|
0.81
|
2.88
|
4
|
0.88
|
0.75
|
4.5
|
6
|
2
|
6.5
|
0.88
|
3.62
|
8
|
0.75
|
0.62
|
5
|
8
|
2 1/2
|
7.5
|
1
|
4.12
|
8
|
0.88
|
0.75
|
5.88
|
12
|
3
|
8.25
|
1.12
|
5
|
8
|
0.88
|
0.75
|
6.62
|
16
|
3 1/2
|
9
|
1.19
|
5.5
|
8
|
0.88
|
0.75
|
7.25
|
21
|
4
|
10
|
1.25
|
6.19
|
8
|
0.88
|
0.75
|
7.88
|
27
|
5
|
11
|
1.38
|
7.31
|
8
|
0.88
|
0.75
|
9.25
|
35
|
6
|
12.5
|
1.44
|
8.5
|
12
|
0.88
|
0.75
|
10.62
|
50
|
8
|
15
|
1.62
|
10.62
|
12
|
1
|
0.88
|
13
|
81
|
10
|
17.5
|
1.88
|
12.75
|
16
|
1.12
|
1
|
15.25
|
124
|
12
|
20.5
|
2
|
15
|
16
|
1.25
|
1.12
|
17.75
|
185
|
14
|
23
|
2.12
|
16.25
|
20
|
1.25
|
1.12
|
20.25
|
250
|
16
|
25.5
|
2.25
|
18.5
|
20
|
1.38
|
1.25
|
22.5
|
295
|
18
|
28
|
2.38
|
21
|
24
|
1.38
|
1.25
|
24.75
|
395
|
20
|
30.5
|
2.5
|
23
|
24
|
1.38
|
1.25
|
27
|
505
|
24
|
36
|
2.75
|
27.25
|
24
|
1.62
|
1.5
|
32
|
790
|
CLASS 600 According to ASTM A/SA-105; ANSI B16.5
|
Nominal Pipe Size
|
Outside Diam. of Flange (O)
|
Thick. of Flange (C)
|
Diam. of Raised Face (R)
|
No. of Holes
|
Diam. of Holes
|
Diam. of Bolts
|
Diam. of Bolt Circle
|
Approx. Weight (in Pounds)
|
1/2
|
3.75
|
0.56
|
1.38
|
4
|
0.62
|
0.5
|
2.62
|
2
|
3/4
|
4.62
|
0.62
|
1.69
|
4
|
0.75
|
0.62
|
3.25
|
3
|
1
|
4.88
|
0.69
|
2
|
4
|
0.75
|
0.62
|
3.5
|
4
|
1 1/4
|
5.25
|
0.81
|
2.5
|
4
|
0.75
|
0.62
|
3.88
|
5
|
1 1/2
|
6.12
|
0.88
|
2.88
|
4
|
0.88
|
0.75
|
4.5
|
8
|
2
|
6.5
|
1
|
3.62
|
8
|
0.75
|
0.62
|
5
|
10
|
2 1/2
|
7.5
|
1.12
|
4.12
|
8
|
0.88
|
0.75
|
5.88
|
15
|
3
|
8.25
|
1.25
|
5
|
8
|
0.88
|
0.75
|
6.62
|
20
|
3 1/2
|
9
|
1.38
|
5.5
|
8
|
1
|
0.88
|
7.25
|
29
|
4
|
10.75
|
1.5
|
6.19
|
8
|
1
|
0.88
|
8.5
|
41
|
5
|
13
|
1.75
|
7.31
|
8
|
1.12
|
1
|
10.5
|
68
|
6
|
14
|
1.88
|
8.5
|
12
|
1.12
|
1
|
11.5
|
86
|
8
|
16.5
|
2.19
|
10.62
|
12
|
1.25
|
1.12
|
13.75
|
140
|
10
|
20
|
2.5
|
12.75
|
16
|
1.38
|
1.25
|
17
|
230
|
12
|
22
|
2.62
|
15
|
20
|
1.38
|
1.25
|
19.25
|
295
|
14
|
23.75
|
2.75
|
16.25
|
20
|
1.5
|
1.38
|
20.75
|
355
|
16
|
27
|
3
|
18.5
|
20
|
1.62
|
1.5
|
23.75
|
495
|
18
|
29.25
|
3.25
|
21
|
20
|
1.75
|
1.62
|
25.75
|
630
|
20
|
32
|
3.5
|
23
|
24
|
1.75
|
1.62
|
28.5
|
810
|
24
|
37
|
4
|
27.25
|
24
|
2
|
1.88
|
33
|
1250
|
CLASS 900 According to ASTM A/SA-105; ANSI B16.5
|
|
|
|
Nominal Pipe Size
|
Outside Diam. of Flange (O)
|
Thick. of Flange (C)
|
Diam. of Raised Face (R)
|
No. of Holes
|
Diam. of Holes
|
Diam. of Bolts
|
Diam. of Bolt Circle
|
Approx. Weight (in Pounds)
|
1/2
|
4.75
|
0.88
|
1.38
|
4
|
0.88
|
0.75
|
3.25
|
4
|
3/4
|
5.12
|
1
|
1.69
|
4
|
0.88
|
0.75
|
3.5
|
6
|
1
|
5.88
|
1.12
|
2
|
4
|
1
|
0.88
|
4
|
8
|
1 1/4
|
6.25
|
1.12
|
2.5
|
4
|
1
|
0.88
|
4.38
|
9
|
1 1/2
|
7
|
1.25
|
2.88
|
4
|
1.12
|
1
|
4.88
|
13
|
2
|
8.5
|
1.5
|
3.62
|
8
|
1
|
0.88
|
6.5
|
25
|
2 1/2
|
9.62
|
1.62
|
4.12
|
8
|
1.12
|
1
|
7.5
|
35
|
3
|
9.50
|
1.50
|
5
|
8
|
1.00
|
0.88
|
7.50
|
29
|
4
|
11.50
|
1.75
|
6.19
|
8
|
1.25
|
1.12
|
9.25
|
54
|
5
|
13.50
|
2.00
|
7.31
|
8
|
1.38
|
1.25
|
11.00
|
87
|
6
|
15.00
|
2.19
|
8.5
|
12
|
1.25
|
1.12
|
12.50
|
115
|
8
|
18.50
|
2.50
|
10.62
|
12
|
1.50
|
1.38
|
15.50
|
200
|
10
|
21.50
|
2.75
|
12.75
|
16
|
1.50
|
1.38
|
18.50
|
290
|
12
|
24.00
|
3.12
|
15
|
20
|
1.50
|
1.38
|
21.00
|
415
|
14
|
25.25
|
3.38
|
16.25
|
20
|
1.62
|
1.50
|
22.00
|
520
|
16
|
27.75
|
3.50
|
18.5
|
20
|
1.75
|
1.62
|
24.25
|
600
|
18
|
31.00
|
4.00
|
21
|
20
|
2.00
|
1.88
|
27.00
|
850
|
20
|
33.75
|
4.25
|
23
|
20
|
2.12
|
2.00
|
29.50
|
1075
|
24
|
41.00
|
5.50
|
27.25
|
20
|
2.62
|
2.50
|
35.50
|
2025
|
CLASS 1500 According to ASTM A/SA-105; ANSI B16.5
|
Nominal Pipe Size
|
Outside Diam. of Flange (O)
|
Thick. of Flange (C)
|
Diam. of Raised Face (R)
|
No. of Holes
|
Diam. of Holes
|
Diam. of Bolts
|
Diam. of Bolt Circle
|
Approx. Weight (in Pounds)
|
1/2
|
4.75
|
0.88
|
1.38
|
4
|
0.88
|
0.75
|
3.25
|
4
|
3/4
|
5.12
|
1
|
1.69
|
4
|
0.88
|
0.75
|
3.5
|
6
|
1
|
5.88
|
1.12
|
2
|
4
|
1
|
0.88
|
4
|
8
|
1 1/4
|
6.25
|
1.12
|
2.5
|
4
|
1
|
0.88
|
4.38
|
9
|
1 1/2
|
7
|
1.25
|
2.88
|
4
|
1.12
|
1
|
4.88
|
13
|
2
|
8.5
|
1.5
|
3.62
|
8
|
1
|
0.88
|
6.5
|
25
|
2 1/2
|
9.62
|
1.62
|
4.12
|
8
|
1.12
|
1
|
7.5
|
35
|
3
|
10.5
|
1.88
|
5
|
8
|
1.25
|
1.12
|
8
|
48
|
4
|
12.25
|
2.12
|
6.19
|
8
|
1.38
|
1.25
|
9.5
|
73
|
5
|
14.75
|
2.88
|
7.31
|
8
|
1.62
|
1.5
|
11.5
|
140
|
6
|
15.5
|
3.25
|
8.5
|
12
|
1.5
|
1.38
|
12.5
|
160
|
8
|
19
|
3.62
|
10.62
|
12
|
1.75
|
1.62
|
15.5
|
300
|
10
|
23
|
4.25
|
12.75
|
12
|
2
|
1.88
|
19
|
510
|
12
|
26.5
|
4.88
|
15
|
16
|
2.12
|
2
|
22.5
|
690
|
14
|
29.5
|
5.25
|
16.25
|
16
|
2.38
|
2.25
|
25
|
975
|
16
|
32.5
|
5.75
|
18.5
|
16
|
2.62
|
2.5
|
27.75
|
1300
|
18
|
36
|
6.38
|
21
|
16
|
2.88
|
2.75
|
30.5
|
1750
|
20
|
38.75
|
7
|
23
|
16
|
3.12
|
3
|
32.75
|
2225
|
24
|
46
|
8
|
27.25
|
16
|
3.62
|
3.5
|
39
|
3625
|