540 Series

Thermocouple and Resistance Thermometer assemblies with

  • A High Pressure weld-in well.
  • Flameproof or weatherproof execution in 316SS or Aluminum.
  • Safe design as per ASME PTC 19.3
  • Available with IBR certificates.
  • Heat Treatment at 9500C

The assembly is with a weld-in Thermowell manufactured from bar stock as per ASTM A276 grade 321SS or 316SS, duly tested prior to manufacture as per agreed QA plan. These assemblies are used for temperature measurement of high pressure and high velocity steam lines and are largely used in performance testing of utility boilers.

The Thermowell is butt welded on the weldolet provided on the pipings and the collor provided on Thermowell fits snugly in the pipe wall, thus reducing the suspended length of the Thermowell, and thereby meeting the ASME PTC19.3 code requirement.

Thermowells are provided with IBR certification, material integrity test certificates, and are also subjected to a heat treatment at 950 deg C prior to final finishing. A plug and chain is provided, when Thermowells are supplied as "Test wells".

The standard execution is with plated CS extension and Aluminum head with conduit entry of 1/2" NPT and ungrounded junction for thermocouples unless otherwise specified.

No of elements
Elements
Sheath Diameter
Sheath Material
Head Type
No of entries
Well Material
Well Type
Well Insertion U mm/inches  
Well extension T mm/inches  
Weldolet size
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