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Pipe Expansion Joint Types
| Pathway | U.S. Bellows | |
| Single | CS | S |
| single universal | CSU | U |
| single hinged | CSH | HIN_S |
| single gimbal | CSG | GIM_S |
| singe xflex | CSX | XS |
| singe tied | CST | S |
| Double | ||
| double hinged | DH | HIN_D |
| double gimbal | DG | GIM_D |
| double xflex | DX | XD |
| Tied | ||
| Tied | CT | S or U |
| Universal | ||
| universal single | CU | U |
| universal gimbal | CGU | GIM_U |
| universal hinged | CHU | HIN_U |
| universal tied | CTU | U |
Pipe Expansion Joint Materials
| Pathway | U.S. Bellows | |
| 304 | M-1 | 4 |
| 304L | M-2 | 4 |
| 316 | M-3 | 16 |
| 316L | M-4 | 16 |
| 321 | M-5 | 21 |
| Allow 400 (Monel) | M-6 | 40 |
| Alloy 600 | M-7 | 60 |
| Allow 625 GR. 1 | M-12 | 62 |
| Alloy 800 | M-14 | 80 |
| Alloy 825 | M-15 | 82 |
| Alloy 201 (Nickel) | M-16 | 201 |
| Allow C276 | M-17 | 2205 |
| Ziconium GR. 702 | M-20 | 702 |
| Alloy 800H | M-21 | 80H |
Flange Ends Materials
| Pathway | U.S. Bellows | |
| Carbon Steel | FF | F01 |
| 304 stainless steel | FF1 | F04 – F04H – F04L |
| 316 stainless steel | FF3 | F16 – F16H – F16L |
| 321 stainless steel | FF6 | F21 – F21H – F21L |
| 309 stainless steel | F09 | |
| Inconel 600 | FF7 | F60 |
| Inconel 625 | FF12 | F62 |
| Inconel 800 | FF14 | F80 |
| Inconel 825 | FF15 | F82 |
| Duplex 2205 | FF17 | F2205 |
Weld Type Ends
| Pathway | U.S. Bellows | |
| Weld to Weld | WW | W |
| Weld to Flange | WF | W or F |
| Weld to Van Stone | WV | W |
| Weld to Banded | WB | W |
| Flange to Weld | FW | F or W |
| Flange to Flange | FF | F |
| Flange to Van Stone | FV | F |
| Flange to Banded | FB | F |
| Van Stone to Weld | VW | W |
| Van Stone to Flange | VF | F |
| Van Stone to Van Stone | VV | F |
| Van Stone to Banded | VB | F |
| Banded to Weld | BW | W |
| Banded to Flange | BF | F |
| Banded to Van Stone | BV | F |
| Banded to Banded | BB | W |
NOTE: This cross reference is for application use only. Items may not be identical in shape or dimension. Check with U.S. Bellows if in doubt. For questions call Toll-free 1-281-241-9418