| Code | Size | NB | O | Q | R | PCD | BOLT HOLES | HOLE DIA |
| FLA300015B | 1/2″ | 15 | 95.3 | 14.3 | 35 | 66.6 | 4 | 15.8 |
| FLA300020B | 3/4″ | 20 | 117.5 | 15.9 | 42.9 | 82.5 | 4 | 19 |
| FLA300025B | 1″ | 25 | 123.9 | 17.5 | 50.9 | 88.9 | 4 | 19 |
| FLA300032B | 1 1/4″ | 32 | 133.4 | 19.1 | 63.6 | 98.4 | 4 | 19 |
| FLA300040B | 1 1/2″ | 40 | 155.6 | 20.7 | 73.1 | 114.3 | 4 | 22.2 |
| FLA300050B | 2″ | 50 | 165.2 | 22.3 | 92.1 | 127.0 | 8 | 19 |
| FLA300065B | 2 1/2″ | 65 | 190.6 | 25.5 | 104.8 | 149.2 | 8 | 22.2 |
| FLA300080B | 3″ | 80 | 209.6 | 28.6 | 127.1 | 168.2 | 8 | 22.2 |
| FLA300100B | 4″ | 100 | 254.1 | 31.8 | 157.2 | 200.0 | 8 | 22.2 |
| FLA300125B | 5″ | 125 | 279.5 | 35.0 | 185.8 | 234.9 | 8 | 22.2 |
| FLA300150B | 6″ | 150 | 317.6 | 36.5 | 216 | 269.8 | 12 | 22.2 |
| FLA300200B | 8″ | 200 | 381.1 | 41.3 | 269.9 | 330.2 | 12 | 25.4 |
| FLA300250B | 10″ | 250 | 444.6 | 47.7 | 323.9 | 387.3 | 16 | 28.5 |
| FLA300300B | 12″ | 300 | 520.8 | 50.9 | 381.1 | 450.8 | 16 | 31.7 |
| FLA300350B | 14″ | 350 | 584.3 | 54.0 | 412.8 | 514.3 | 20 | 31.7 |
| FLA300400B | 16″ | 400 | 647.8 | 57.2 | 470 | 571.5 | 20 | 34.9 |
| FLA300450B | 18″ | 450 | 711.3 | 60.4 | 533.5 | 628.6 | 24 | 34.9 |
| FLA300500B | 20″ | 500 | 774.8 | 63.6 | 584.3 | 685.8 | 24 | 34.9 |
This range of flanges are forged steel A105 material and comply to B16.5 spec.
- Size Range: 15NB to 500NB
Value-added Services
Custom machining available on request.
- + Details
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ANSI 300LB RF BLIND A105N B16.5
Code Size NB O Q R PCD BOLT HOLES HOLE DIA FLA300015B 1/2″ 15 95.3 14.3 35 66.6 4 15.8 FLA300020B 3/4″ 20 117.5 15.9 42.9 82.5 4 19 FLA300025B 1″ 25 123.9 17.5 50.9 88.9 4 19 FLA300032B 1 1/4″ 32 133.4 19.1 63.6 98.4 4 19 FLA300040B 1 1/2″ 40 155.6 20.7 73.1 114.3 4 22.2 FLA300050B 2″ 50 165.2 22.3 92.1 127.0 8 19 FLA300065B 2 1/2″ 65 190.6 25.5 104.8 149.2 8 22.2 FLA300080B 3″ 80 209.6 28.6 127.1 168.2 8 22.2 FLA300100B 4″ 100 254.1 31.8 157.2 200.0 8 22.2 FLA300125B 5″ 125 279.5 35.0 185.8 234.9 8 22.2 FLA300150B 6″ 150 317.6 36.5 216 269.8 12 22.2 FLA300200B 8″ 200 381.1 41.3 269.9 330.2 12 25.4 FLA300250B 10″ 250 444.6 47.7 323.9 387.3 16 28.5 FLA300300B 12″ 300 520.8 50.9 381.1 450.8 16 31.7 FLA300350B 14″ 350 584.3 54.0 412.8 514.3 20 31.7 FLA300400B 16″ 400 647.8 57.2 470 571.5 20 34.9 FLA300450B 18″ 450 711.3 60.4 533.5 628.6 24 34.9 FLA300500B 20″ 500 774.8 63.6 584.3 685.8 24 34.9 - + Features
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This range of flanges are forged steel A105 material and comply to B16.5 spec.
- Size Range: 15NB to 500NB
Value-added Services
Custom machining available on request.