HDPE Fusion Expansion Joint

The HDPE Fusion Expansion Joint connects to the HDPE pipe at one end through a heat-fusion welding machine. At the other end, a threaded cap is tightened to compress the ABS locking ring and silicone O-ring seal, achieving a flexible and leak-proof connection. When the pipeline expands or contracts due to temperature changes, the expansion section of the HDPE Fusion Expansion Joint can move freely within the designed limit range, while the built-in O-ring continuously maintains a stable seal to absorb and offset pipeline stress.

The joint can freely expand and contract within the specified expansion range, effectively offsetting axial stress caused by temperature fluctuations in the pipeline and preventing failures such as cracking and misalignment. The heat-fusion process integrates the expansion joint with the pipe, forming a rigid and fully sealed structure with stable and long-lasting sealing performance, making it suitable for applications requiring high connection strength.

The HDPE Fusion Expansion Joint offers excellent pressure resistance and corrosion resistance. The heat-fusion connection creates a robust structure that is not prone to leakage caused by external disturbances or pipeline displacement, reducing the need for frequent maintenance.

The built-in sealing ring is resistant to high temperatures and aging, providing a connection strength that closely matches that of the pipe itself. It also delivers strong impact and settlement resistance, ensuring long-term, stable, and reliable sealing performance without leakage risk, while offering excellent resistance to acids and alkalis.

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