In their latest PCC-2-2018 guidelines, the ASME clearly lists the benefits and limitations of Mechanical Fit Tube Plugs for the repair of Shell and Tube Heat Exchangers. With Pop-A-Plug, Tanajib offers the industry’s leading technology for mechanical tube plugging engineered to provide a permanent plugging solution for up to 7000 PsiG (483 BarG). Feel free to contact us for a copy of the ASME PCC-2 article 3.12 or a copy of the white paper published by EST at the 2019 ME Static Conference