FEP Fluoroplastic Expansion Joints Our Fep-fluoroplastic Expansion Joint Offers Unmatched Performance Due to Its Unprecedented Engineering Design Benefits of the FEP Joint include: Dual Containment ZERO Leakage Low Spring Rates Floating Flange Temperature Tolerance of up to 400 F Pressures up to 50 psi Sizes from 14″ to 96″ With Fractional Diameter Capabilities Up to 10 Convolutions 3 or 4-Ply Also Available Custom Sizes and Face-to-Face Dimensions Available Flow Liners and Control Units Available Internal Rings for Full Vacuum Service *Safety Shields Strongly Recommended *Consult UIP for Pressure/Temperature Reduction Leading the Way in Innovative Technologies Download Technical Data Here(opens in new tab)