| FLANGE STANDARD | PRESSURE RATING | TYPE | FACING | MATERIAL |
| ANSI B16.5 Flange | CLASS 150 300 400 600 900 1500 2500 LBS | SO WN SW TH LJ BL LWN | RF | ASTM SA105/105N |
| FF | A350 LF2 CL1/CL2 |
| RTJ | A694 F45/52/65, |
| ANSI B16.47-A MSS Flange | CLASS 150 300 400 600 900 LBS | WN BL |
| s235jr C22.8; |
| ANSI B16.47-B API Flange | CLASS 75 150 300 400 600 900 LBS | etc |
|
| ANSI/ASME B16.36 Flange | CLASS 300 400 600 900 1500 2500 LBS | ORIFICE |
| A182 F304/304L |
| ANSI/ASME B16.48 Flange | CLASS 150 300 400 600 900 1500 2500 LBS | FIG.8 |
| A182 F316/316L |
| SPACER AND BLANK |
| A182 F317L |
| SPECTACLE |
| A182 F310 F321 F347; |
| AWWA C207 Flange | CLASS B & D TABLE 2/3, CLASS E TABLE 4 | SO PL BL |
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| EN 1092-1 Flange | PN 2.5 6 10 16 25 40 63 100 160 250 320 400 | PL LOO BL WN SO TH |
| A182 F5 F9 F11 |
| BS 4504 Flange | PN 2.5 6 10 16 25 40 | PL WN TH BL SO |
| F51 F53 F55 F60 |
| DIN Flange | PN 6 10 16 25 40 | PL WN TH BL LOO SO |
| F304H F316H F317H, |
| UNI Flange | PN 6 10 16 25 40 | PL WN TH BL LOO |
| C276 |
| SABS/SANS 1123 Flange | CLASS 600 1000 1600 2500 4000 KPA | WN PL TH SO BL |
| INCONEL 600 625; |
| JIS B2220/KS Flange | 5K 10K 16K 20K 30K 40K | SOP/PL SOH/SO BL |
| and etc.. |
| GOST Flange | PN 1 1.6 2.5 4 6.3 10 | PL WN BL |
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| AS Flange | TABLE D E F H | PL SO BL |
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