| EJ Styles | Relative Movement Capability | Relative Spring Forces | Pressure Thrust on Piping System | Available Features | |||||||
| Axial | Angular | Lateral | Axial | Angular | Lateral | Internal Flow Liner Types | External Cover | Redundant Ply Design | End Connection Types | ||
| US Unrestrained Single |
↔ | ↔ | ↓ | ↔ | ↔ | ↑ | YES | SW , TW , FW , SD , TD | YES | YES | BB , WE , FF , VF , LJ |
| LS Limit Single |
↔ | ↔ | ↓ | ↔ | ↔ | ↑ | YES | SW, TW, , FW , SD , TD | YES | YES | BB, WE , FF , VF , LJ |
| TS Tied Single |
— | — | ↓ | — | — | ↑ | NO | SW , TW , FW , SD , TD | YES | YES | BB , WE , FF , VF , LJ |
| HS Hinged Single |
— | ↔ | — | — | ↔ | — | NO | SW, TW, FW, SD, TD | YES | YES | WE, FF, VF, LJ |
| SHS Slotted Hinged Single |
↔ | ↔ | — | ↔ | ↔ | — | YES | SW , TW , FW , SD , TD | YES | YES | WE , FF , VF , LJ |
| GS Gimbaled Single |
— | ↔ | — | — | ↔ | — | NO | SW , TW , FW , SD , TD | YES | YES | WE , FF , VF , LJ |
| UU Unrestrained Universal |
↔ | ↔ | ↑ | ↔ | ↔ | ↓ | YES | SW , TW , FW , SD , TD | YES | YES | BB , WE , FF , VF , LJ |
| TU Tied Universal |
— | — | ↑ | — | — | ↓ | NO | SW , TW , FW , SD , TD | YES | YES | WE , FF , VF , LJ |
| PBS Pressure-Balanced, Elbow, Single |
↔ | — | ↔ | ↔ | ↔ | ↑ | NO | SW , TW , FW , SD , TD | YES | YES | WE , FF , VF , LJ |
| PBU Pressure-Balanced, Elbow, Universal |
↔ | — | ↑ | ↔ | ↔ | ↓ | NO | SW , TW , FW , SD , TD | YES | YES | WE , FF , VF , LJ |
| PBI Pressure-Balanced, In-Line |
↔ | — | — | ↔ | — | — | NO | SW , TW , FW , SD , TD | YES | YES | WE , FF , VF , LJ |
| EPS Externally-Pressurized Single |
↑ | — | — | ↔ | — | — | YES | FW | INCL | YES | WE , FF , LJ |
| EPD Externally-Pressurized Dual |
↑ | — | — | ↔ | — | — | YES | FW | INCL | YES | WE , FF , LJ |
Legend:
↑ Higher
↔ Moderate
↓ Lower
— Non Applicable
Purge Ports

Packed Bellows

Self-Draining Liner
