Knowledge Series: “U” Type Expansion Joints
DISCLAIMER
While the FSA makes every reasonable attempt to ensure that the information contained in this document is accurate and curren t, the FSA, its officers, directors, volunteers, and authorized agents are not responsible for any errors or omissions contained therein nor are they responsible for any results obtained from the use of or reliance upon its content. All information is provided “AS IS,” with no guarantee of completeness, accuracy, timeliness or of the results obtained, and without warranty of any kind, express or impl ied. In no event shall FSA or its officers, directors, volunteers, or authorized agents be liable to you or anyone else for any decision made or action taken in reliance on the information contained herein or for any for any consequential, indirect, special, or similar damages, even if advised of the possibility of such damages. The information contained in this document is for informational purposes only and does not constitute professional advice. It also includes references to certain standards that may change over time and should be interpreted only in light of particular circumstances. It is your sole responsibility to confirm the current state of any referred to standards. FSA reserves the right to modify or update the document content and to modify this Disclaimer at any time, effective upon posting of an up dated version of this Disclaimer.
© (April, 2023), Fluid Sealing Association. All Rights Reserved.
• Included in this section:
• External Full Face Integral Flange Turbine to Condenser
• Internal Full Face Integral Flange Turbine to Condenser
• No Arch “U” Type
External Full Face Integral Flange Turbine to Condenser
• Generally used as connection between turbine and condensers
• Lightweight construction consisting of rubber and fabric reinforcement
• Flange drilling often provided “staggered” for short face to face applications
• Recommended for use in full vacuum
Internal Full Face Integral Flange Turbine to Condenser
• Inverted flanges where retaining rings are bolted on the internal side of duct
• Often requires field splicing for installation
• Configurations may include:
• rectangular, round or oval shapes
No Arch “U” Type
• Similar construction to the Single Arch Type, but without the arch
• Offers less movements than Single Arch expansion joints
• Best for acoustic benefits and
• vibration reduction
• Configurable to include taper or offsets
• Highest rated pressure/vacuum for “U”
• type expansion joints
For additional technical information regarding “U” Type rubber expansion joints as well as other rubber expansion joint designs consult the Fluid Sealing Associations Technical Handbook for Expansion Joints Piping (https://www.fluidsealing.com/)
