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Thermowell for temperature sensors

Product picture thermowell MLTWS01 ©Endress+Hauser

Designed for use in the Oil & Gas industry with flanged process connection

This protection tube is an important component for temperature measurement points for almost all industrial processes, especially for Oil & Gas industries. It is used to protect the measuring insert or sensor elements from aggressive process media, high pressures and flow rates from the temperature sensor itself and thereby enables the thermometer to be exchanged during operation.

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  • Benefits

    • Thermowell fabricated from welded tubes

    • The process connection is flanged

    • Extension, immersion length and total length can be chosen according to process requirements

    • Special versions can be manufactured according to customer requirements

  • Field of application

    The thermowell is designed for use in the Oil & Gas industry but can also be used for general applications. Modular configuration enables a use in all industrial processes with severe thermal and mechanical stresses.

Features and specifications



  • Measuring principle

    Fabricated Thermowell

  • Characteristic / Application

    Fabricated protection tube

    Similar to DIN 43772 Form 2F/3F

  • Head connection

    external thread: M24 x 1.5

  • Maximum standard immersion length

    445 mm, other lenghts on request

  • Process connection


    DN25 PN40 B1 (EN1092-1)

    DN25 PN63 B1 (EN1092-1)

  • Thermowell root diameter

    16 x 10 mm

  • Medium contact material


  • Tip shape

    Reduced Ø12 x 7 x 50 mm

  • Temperature range

    200…600 °C (-328...1.112 °F)

  • Max. process pressure at 400 °C

    Depending on pressure rating up to PN63

Documents / Manuals / Software

Accessories / Spare parts

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