Expansion Joint / Expansion Joints

Ideal for absorbing thermal movements in piping systems where pressure thrust needs to be restrained.

Commonly used in pump discharges, compressor connections, and high-pressure steam or chemical pipelines to protect sensitive equipment from excessive piping loads.

Bellows Material: Stainless Steel SUS316 (Provides exceptional flexibility and excellent resistance against corrosion and pitting).

Components Material: Available in Mild Steel, SUS304, or SUS316 depending on environmental requirements.

Ending Type: Fixed Flanges (For a secure, bolted connection to the piping system).

Tie Rods: Equipped with 2 or 3 tie rods (Used to continuously restrain the full pressure thrust, eliminating the need for heavy main anchors).

Inner Sleeve (Liner): SUS304 or SUS316 (Protects the inner bellows from high-velocity abrasion, prevents resonance, and minimizes turbulence).

Axial Movement: Yes (Absorbs expansion or contraction along the pipeline axis).

Lateral Movement: Yes (Limited use) (Accommodates minor parallel lateral offset).

Angular Movement: Yes (With 2 tie rods only) (Allows angular rotation in a single plane. Note: Joints with 3 or more tie rods cannot accept angular movement).

Pressure Thrust Restraint: The integrated tie rods are engineered to withstand the internal pressure force, preventing the expansion joint from over-extending and protecting adjacent piping anchors.

Vibration and Noise Dampening: Effectively isolates mechanical vibrations generated by pumps, compressors, and rotating machinery.

Enhanced Safety: The robust tie rod assembly acts as a safety limit, safeguarding the bellows configuration against unexpected pressure spikes or system surges.