NDT Inspection Plugs

Thickness Measurement & Ultrasonic Labels

NDT Plugs NDT Inspection Plugs for NonDestructive testing and process safety inspection.

  • Inspection plugs are used for preventative maintenance, allowing repeated access to monitor structural integrity.

  • NDT testing can assess surface corrosion under insulation (CUI) and vessel integrity of processing and refining pipelines.

    Available in #304 Stainless Steel or #5052 Aluminum NDTspek’s inspection plugs are in use worldwide in Bio, Chemical, Pharma, Steam, Co-Gen, Nuclear, Petrochem and other industrial process and refining applications.


  • Ultrasonic Testing & TML Labels for NDT points

    NDT Inspection Plugs

    TML & UT measurement TML + UT labels identify Thickness Measurement Location + Ultrasonic testing points, on insulated and non-insulated pipes.

  • TML Labels are 3.5 mil matte silver mylar polyester material. 1.0 mil UV laminate matte coating resists degradation from scuffing, chemicals, moisture and wide temperature fluctuations.

  • Label adhesive is high-performance acrylic for excellent bonding to metals, HSE plastics and a wide variety of painted surfaces.