18/02/2017

FLANGES Spectacle Blind API 590 – Ring Joint

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Class 150 LB
 
Nominal
Pipe Size
Inside diameter Outside diameter Centerline dimension Thickness Web width
B O A t W
1 34 64 79 19 51
1 1/4 42 73 89 19 51
1 1/2 48 83 99 19 57
2 60 102 121 19 57
2 1/2 73 121 140 22 57
3 89 133 152 22 57
3 1/2 102 154 178 22 64
4 114 171 190 22 64
5 141 194 216 25 70
6 168 219 241 25 83
8 219 273 298 28 95
10 273 330 362 32 102
12 324 406 432 35 121
14 356 425 476 35 127
16 406 483 540 38 127
18 457 546 578 41 127
20 508 597 635 41 127
24 610 711 749 48 152
 
Hole size (where required due to bolt spacing) shall be the same as the flange bolt hole.
The thickness of the web or tie bar (Wt), shall be 6.4 mm minimun, except when t is less than 6,4 mm, wt shall equal t.
Female ring joint groove dimensions shall be designed for octagonal ring in accordance with ASME B16.5
 
Class 300 LB
 
Nominal
Pipe Size
Inside diameter Outside diameter Centerline dimension Thickness Web width
B O A t W
1/2 21 51 67 16 38
3/4 27 64 83 19 44
1 34 70 89 19 51
1 1/4 42 79 99 22 51
1 1/2 48 90 114 22 57
2 60 108 127 25 57
2 1/2 73 127 149 28 57
3 89 146 168 28 57
3 1/2 102 159 184 28 64
4 114 175 200 32 64
5 141 210 235 35 70
6 168 241 270 35 83
8 219 302 330 41 95
10 273 356 387 44 102
12 324 413 451 51 121
14 356 457 514 54 127
16 406 508 572 57 127
18 457 575 629 60 127
20 508 635 686 70 127
24 610 749 813 79 152
 
Hole size (where required due to bolt spacing) shall be the same as the flange bolt hole.
The thickness of the web or tie bar (Wt), shall be 6.4 mm minimun, except when t is less than 6,4 mm, wt shall equal t.
Female ring joint groove dimensions shall be designed for octagonal ring in accordance with ASME B16.5
 
Class 600 LB
 
Nominal
Pipe Size
Inside diameter Outside diameter Centerline dimension Thickness Web width
B O A t W
1/2 21 51 67 19 38
3/4 27 64 83 22 44
1 34 70 89 22 51
1 1/4 42 79 99 22 51
1 1/2 48 90 114 22 57
2 60 108 127 28 57
2 1/2 73 127 149 32 57
3 89 146 168 32 57
3 1/2 102 159 184 35 64
4 114 175 216 35 64
5 141 210 267 38 70
6 168 241 292 44 83
8 219 302 349 51 95
10 273 356 432 57 102
12 324 413 489 64 121
14 356 457 527 67 127
16 406 508 603 73 127
18 457 575 654 79 127
20 508 635 724 89 127
24 610 749 838 105 152
 
Hole size (where required due to bolt spacing) shall be the same as the flange bolt hole.
The thickness of the web or tie bar (Wt), shall be 6.4 mm minimun, except when t is less than 6,4 mm, wt shall equal t.
Female ring joint groove dimensions shall be designed for octagonal ring in accordance with ASME B16.5
 
Class 900 LB
 
Nominal
Pipe Size
Inside diameter Outside diameter Centerline dimension Thickness Web width
B O A t W
1/2 21 60 83 22 38
3/4 27 67 89 22 44
1 34 71 102 22 51
1 1/4 42 81 111 25 51
1 1/2 48 92 124 25 64
2 60 124 165 32 51
2 1/2 73 137 190 35 67
3 89 156 190 35 67
4 114 181 235 41 73
5 141 216 279 44 73
6 168 241 318 48 73
8 219 308 394 57 79
10 273 362 470 64 121
12 324 419 533 73 121
14 356 467 559 83 121
16 406 524 616 92 127
18 457 594 686 102 133
20 508 648 749 111 127
24 610 772 902 133 140
 
Hole size (where required due to bolt spacing) shall be the same as the flange bolt hole.
The thickness of the web or tie bar (Wt), shall be 6.4 mm minimun, except when t is less than 6,4 mm, wt shall equal t.
Female ring joint groove dimensions shall be designed for octagonal ring in accordance with ASME B16.5
 
Class 1500 LB
 
Nominal
Pipe Size
Inside diameter Outside diameter Centerline dimension Thickness Web width
B O A t W
1/2 21 60 83 22 38
3/4 27 67 89 25 44
1 34 71 102 25 54
1 1/4 42 81 111 25 54
1 1/2 48 92 124 28 57
2 60 124 165 35 54
2 1/2 73 137 190 38 57
3 89 168 203 44 73
4 114 194 241 48 76
5 141 229 292 54 76
6 168 248 318 60 79
8 219 318 394 73 86
10 273 371 483 83 133
12 324 438 572 102 133
14 356 489 635 111 140
16 406 546 705 124 146
18 457 613 775 133 152
20 508 673 832 143 165
24 610 794 991 168 178
 
Hole size (where required due to bolt spacing) shall be the same as the flange bolt hole.
The thickness of the web or tie bar (Wt), shall be 6.4 mm minimun, except when t is less than 6,4 mm, wt shall equal t.
Female ring joint groove dimensions shall be designed for octagonal ring in accordance with ASME B16.5
 
Class 2500 LB
 
Nominal
Pipe Size
Inside diameter Outside diameter Centerline dimension Thickness Web width
B O A t W
1/2 21 65 89 25 38
1/4 27 73 95 28 44
1 34 83 108 28 54
1 1/4 42 102 130 35 54
1 1/2 48 114 146 38 60
2 60 133 171 41 57
2 1/2 73 149 197 48 60
3 89 161 229 51 76
4 114 203 273 64 83
5 141 241 324 73 89
6 168 279 368 93 95
8 119 340 438 99 95
10 273 425 540 117 91
12 324 495 619 133 152
 
Hole size (where required due to bolt spacing) shall be the same as the flange bolt hole.
The thickness of the web or tie bar (Wt), shall be 6.4 mm minimun, except when t is less than 6,4 mm, wt shall equal t.
Female ring joint groove dimensions shall be designed for octagonal ring in accordance with ASME B16.5