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Barstock thermowell

Barstock thermowell ©Endress+Hauser
Barstock thermowell ©Endress+Hauser

Thermowell made of drilled barstock material. Mainly used in heavy duty or industrial applications

Due to the challenging process conditions by heavy duty applications the load capacity of a thermowell must be calculated exactly. Dye penetration tests, ultrasound test, helium leakage test, pressure endurance test as well as various, non-destructive material tests prove the quality of materials and processing.

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  • Lợi ích

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

    • A wide choice of dimensions, materials and process connections is available

    • Special versions can be manufactured according to customer requirements

    • The process...

  • Phạm vi ứng dụng

    TW15 is designed for use with resistance and thermocouple thermometers in heavy duty applications.

    Modular configuration according to DIN 43772 (form 4/4F) enable a use in all industrial processes with severe thermal and mechanical stresses.

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  • Measuring principle

    Bar stock Thermowell

  • Characteristic / Application

    metric style

    DIN 43772 Form 4/4F

    flanged process connection or weld-in with neck

  • Head connection

    external thread:

    M24 x 1.5

    1/2" NPT

  • Maximum standard immersion length

    250 mm (9,84")

  • Max. immersion length on request

    400 mm (15,75")

  • Process connection

    For welding with welding socket TA115 as accessory

    For flanging with the following flange sizes:

    DN25 PN40 B1

    DN40 PN40 B1

    DN50 PN40 B1

    ASME 1" 150 RF

    ASME 1" 300 RF

    ASME 1 1/2" 150 RF

  • Thermowell root diameter

    18 mm (0,71")

    24 mm (0,94")

  • Medium contact material

    1.4571 (316Ti)

    2.4819 (Alloy C276)

    1.7335 (13CrMo4-5)


    Duplex SAF2205


    1.5415 (16Mo3)

    1.7380 (10CrMo 9 10)

  • Wetted part finishing (Ra)

    < 0.8 µm (31.50 µin)

    < 1.6 µm (63.00 µin)

  • Tip shape


  • Temperature range

    -200...1.100 °C (-328...2.012 °F)

  • Max. process pressure (static)

    400 bar (5802 psi)

  • Max. process pressure at 400 °C

    400 bar (5802 psi)

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