 Plate Flange |
 Class 150 300 600 |
| Welding Neck Flange |
| Class 150 300 600 900 1500 2500 |
| WN RF, WN FF, WN RTJ |
| Slip On Flange |
| Class 150 300 600 |
| SO FF, SO RF |
| Blank Flange, Blind Flange |
| Class 150 300 600 900 1500 2500 |
| BL RF, BL FF, BL RTJ |
| Threaded Flange |
| Class 150 300 600 NPT |
| Socket Weld Flange |
| Class 150 300 600 900 1500 2500 |
| SW RF, SW RTJ |
| Lap Joint Flange |
| Class 150 300 600 |
| Backing Ring Flange |
| Plate Flange |
| DIN2573, DIN2576, DIN2501, DIN2502 |
| DIN2503, DIN2543, DIN2544, DIN2545 |
| Welding Neck Flange |
| DIN2631, DIN2632, DIN2633, DIN2634 |
| DIN2635 |
| Threaded Flange, Screwed Flange |
| DIN2565, DIN2566 |
| Blind Flange |
| DIN2527 |
| Lapped Flange, Loose Flange |
| DIN2641, DIN2642 |
| TYPE 01 Flange |
| PN6, PN10, PN16, PN25, PN40, PN63 |
| 01A – PL FF, 01B – PL RF |
| TYPE 02 Flange |
| PN6, PN10, PN16 |
| 02A – Lapped, Loose FF |
| TYPE 05 Flange |
| PN6, PN10, PN16, PN25, PN40, PN63 |
| 05A – BL FF, 05B – BL RF |
| TYPE 11 Flange |
| PN6, PN10, PN16, PN25, PN40 |
| 11B – WN RF, 11C – WN Tongue |
| TYPE 12 Flange |
| PN6, PN10, PN16, PN25, PN40 |
| 12B – SO RF |
| TYPE 13 Flange |
| PN6, PN16 |
| 13B – Threaded, Screwed RF |
| Plate Flange |
| PN6, PN10, PN16, PN25, PN40 |
| Code 101, Slip on Plate RF, FF |
| Welding Neck Flange |
| PN6, PN10, PN16, PN25, PN40 |
| Code 111, WNRF, WNFF |
| Threaded Flange, Screwed Flange |
| PN6, PN10, PN16 |
| Code 113, BSPT |
| Blank Flange, Blind Flange |
| PN6, PN10, PN16, PN25, PN40 |
| Code 105, Blank RF, Blank FF |
| Slip On Bossed Flange |
| PN6, PN10, PN16, PN25, PN40 |
| Code 112, SORF, SOFF |
| Plate Flange |
| UNI2276, UNI2277, UNI2278, UNI6083 |
| UNI6084 |
| Welding Neck Flange |
| UNI2280, UNI2281, UNI2282, UNI2283 |
| UNI2284 |
| Threaded Flange |
| UNI2253, UNI2254 |
| Blind Flange |
| UNI6091, UNI6092, UNI6093, UNI6094 |
| UNI6095 |
| Lapped Flange, Loose Flange |
| UNI6089, UNI6089, UNI6090 |
| Class 600 Flange |
| 600/2, 600/3, 600/4, 600/5, 600/8 |
| WN, SO, SCREWED, SO BOSS, BL |
| Class 1000 Flange |
| 1000/2, 1000/3, 1000/4, 1000/5, 1000/8 |
| WN, SO, SCREWED, SO BOSS, BL |
| Class 1600 Flange |
| 1600/2, 1600/3, 1600/4, 1600/5, 1600/8 |
| WN, SO, SCREWED, SO BOSS, BL |
| Class 2500 Flange |
| 2500/2, 2500/3, 2500/4, 2500/5, 2500/8 |
| WN, SO, SCREWED, SO BOSS, BL |
| Class 4000 Flange |
| 4000/2, 4000/3, 4000/4, 4000/5, 4000/8 |
| WN, SO, SCREWED, SO BOSS, BL |
| Backing Ring Flange |
| Series A Flange |
| Class 150, 300, 600, 900 |
| Weld Neck, Blank |
| Series B Flange |
| Class 150, 300, 600, 900 |
| Weld Neck, Blank |
| 5K Flange |
| SO Plate, SO Hub, Blind |
| 10K Flange |
| SO Plate, SO Hub, Blind |
| 16K Flange |
| SO Plate, SO Hub, Blind |
| 20K Flange |
| SO Plate, SO Hub, Blind |
| 30K Flange |
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