Omnigrad M TW10
Protection tube

Omnigrad M TW10
Protection tube ©Endress+Hauser
Omnigrad M TW10
Protection tube ©Endress+Hauser

Designed for use in the fine chemicals industry and generally for almost all industrial processes

This protection tube is an important component for temperature measurement points for almost all industrial processes, especially for fine chemicals 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.

  • Lợi ích

    • Tip of the protection tube with a reduced diameter or tapered for a faster response time

    • Customized immersion length

    • Surface finishing Ra < 0.8 μm

    • SS 316L/1.4404, SS 316Ti/1.4571 and Hastelloy C for the "wetted" parts

    • The common threaded process connections...

  • Phạm vi ứng dụng

    Omnigrad M TW10 protection tubes are designed for the use in the fine chemicals industry but can also be used for generic applications.

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  • Measuring principle

    Fabricated Thermowell

  • Characteristic / Application

    metric style

    DIN 43772 Form 2G/3G

    threaded process connection

    with neck

  • Head connection

    external thread:

    M24 x 1.5

    1/2" NPT

  • Maximum standard immersion length

    4.000 mm (157,48")

  • Max. immersion length on request

    10.000 mm (393,7")

  • Process connection






    1/2" NPT

    3/4" NPT




    M20 x 1.5

  • Thermowell root diameter

    9 mm (0,35")

    11 mm (0,43")

    12 mm (0,47")

    15 mm (0,59")

  • Medium contact material

    1.4404 (316L)

    1.4571 (316Ti)

    2.4816 (Alloy 600)

    2.4819 (Alloy C276)

  • Wetted part finishing (Ra)

    < 0.8 μm (31.50 μin)

  • Tip shape




  • Temperature range

    -200...1.100 °C (-328...2.012 °F)

  • Max. process pressure (static)

    50 bar (725 psi)

  • Max. process pressure at 400 °C

    depends on process connection

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