Hydraflex, a reputable UK manufacturer, provides a variety of expansion joints, including the 'Vibration Absorbers - Untied Expansion Joints'. These specific joints are engineered to mitigate vibrations and diminish noise in pipelines connected to vibration-generating equipment like pumps, compressors, and turbines​.

Construction and Compliance

The specific model VBU.FS.16-UN-TIED Vibration Absorbers comes with PN16 swivel flanges, designed to endure operating temperatures ranging from -10°C to +650°C​1​. Other constructions include axial threaded, axial flanged, and untied joints​. Various models like untied lateral bellows and hinged gimble joints are also part of their offerings​. Their products comply with British standards, ensuring quality and reliability​.


These untied expansion joints find applications in diverse sectors, including heating and ventilation, building services, and manufacturing sectors where vibration absorption is crucial for maintaining the structural integrity and functionality of piped systems​.

Benefits and Features

The untied expansion joints by Hydraflex are designed for effective vibration absorption and noise reduction, ensuring a quieter and more stable operational environment. Their high-temperature tolerance ensures they remain functional under varying operational conditions​.

Availability and Customisation

Hydraflex offers a selection of untied vibration absorbers available for purchase in the UK. While the website doesn’t provide explicit information on customisation, they have showcased a range of models implying a level of variety to meet different operational needs​. For more detailed information on availability and customisation, it's recommended to contact Hydraflex directly.

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