Welflex PTFE expansion joint type HRVS

Product information

Why type HRVS? Welflex PTFE expansion joint type HRVS is a multiple-wave PTFE expansion joint with stainless steel external sleeve, PTFE sealing collar and rotatable flanges. Various flange drillings are possible in this set-up.

This type can be regarded as a PTFE expansion joint in a stainless steel jacket. Depending on the medium, the external sleeve can be supplied in various materials, including Hastelloy. This type is a high-pressure model.



  • Range: DN 40 to DN 500
  • Temperature: max. 200°C
  • Pressure rating: max. 25 barg (DN 40 at 20°C)


Welflex PTFE expansion joint type HRVS is for universal use. It is well suited for absorbing vibrations or pipe displacements.

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