Socket Weld Thermowell

The Ashcroft® socket weld thermowell is used when pressure, high velocity and corrosive process media exist. Serving to isolate and protect, it also allows the sensing instrument to be removed without requiring process shut down. An ideal solution for ensuring system operation.

Key Features:

  • One piece bar stock
  • Wide selection of materials
  • Stamped with date code, material and heat numbers
  • Optional lagging configuration


  • Process connection: 3/4" and 1"
  • Bore size: .260", .385"

The socket weld thermowell is ideal where safety and product integrity is essential:

Process Market:

  • Chemical and Petrochemical Plants
  • Water and Wastewater pressure Control

Medical and Life Sciences:

  • Pharmaceutical / Biotech
  • Food and Beverage
  • Material Test Report (MTR)
  • Hydrostatic Testing
  • Wake Frequency Analysis