|
We’ve created many different equivalency charts. Need another one? Click here for more.
Expansion Joint Types / Unit
|
American BOA |
U.S. Bellows |
| Single |
|
S |
| Hinged |
A |
HIN_S, HIN_U |
| Gimbal |
G |
GIM_S, GIM_U |
| Pressure Balanced Elbow |
PB |
PB_S, PB_U |
| Inline Pressure Balanced |
PBI |
PBI_S, PBI_U |
| Universal |
U |
U |
| External Pressure |
X |
X |
Type End Fittings
|
American BOA |
U.S. Bellows |
| Fixed Forged Flangesd |
FS |
F01, F04 |
| Fixed Plate Flanges |
FSP |
F01, F04 |
| Floating Forged Flanges One End |
FL |
F01, F04 |
| Floating Plate Flange One End |
FLP |
F01, F04 |
| Floating Forged Flanges Both Ends |
FLL |
V01, V04 |
| Floating Plate Flanges Both Ends |
FLLP |
V01, V04 |
| Weld Ends |
W |
W |
| Customer Special |
CS |
F01, F04 |
Bellows Series
American BOA’s series number is based upon the pressures, temperatures, movements and cycle life for the expansion joint application.
Optional Features
|
American BOA |
U.S. Bellows |
| Liner or Inner Sleeve |
L |
L |
| Shroud or Outer Cover |
S |
C# (C Followed by Material Number) |
| Tie Rods |
T |
T# (T Followed by Material Number) |
| Limit Rods |
R |
T# (T Followed by Material Number) |
| Control Rods |
V |
T# (T Followed by Material Number) |
| Drain Port |
D |
XD (X-Flex Joints Only) |
| Purge Port |
P |
XD (X-Flex Joints Only) |
| Anchor Base |
A |
XD (X-Flex Joints Only) |
Bellows Material Class
|
American BOA |
U.S. Bellows |
| 304 SS |
M1 |
4 |
| 304L SS |
M2 |
4 |
| 316 SS |
M3 |
16 |
| 316L SS |
M4 |
16 |
| 321 SS |
M5 |
21 |
| Monel 400 |
M6 |
40 |
| Inconel 600 |
M7 |
60 |
| Incoloy 825 |
M8 |
82 |
| Nickel 200 |
M9 |
200 |
| 310 SS |
M11 |
10 |
| Inconel 625 |
M15 |
62 |
NOTE: This cross reference is for application use only. Items may not be identical in shape or dimension. Check with US Bellows if in doubt. For questions call us toll-free at 1-281-241-9418. |
