Pipe Expansion Joints amp; Flexible Bellows | FLEXEJ
PTFE EXPANSION BELLOWS. Configurable expansion joints from DN25 to DN600 FlexEJ''s PTFE bellows feature multilayer solid PTFE convolutions. PTFE is almost totally chemically inert and highly insoluble in most solvents or chemicals. This makes it an excellent choice in highly corrosive environments or where media contamination is an issue.