Expansion Joints

Comparison of Ratings, Features, and Available Options

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
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		 NO FW INCL YES WE, FF, LJ
EPD
Externally-Pressurized Dual		 YES FW INCL YES WE, FF, LJ
Legend: Higher / Lower / Moderate / Not Applicable

Options

Purge Ports
Packed Liner
Self Draining Liner