• Van Stone Thermowell
    Van Stone Thermowell

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Van Stone Thermowell

  • Overview
  • Applications
  • Certificates & Approvals

The Ashcroft® Van Stone thermowell is used when pressure, high velocity and corrosive process media exist. Designed to mate between two existing flanges. 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:
  • Wide selection of materials
  • Stamped with date code, material and heat numbers
  • Fits: 1" and 1 1/2" lap joint flanges
  • Bore size: .260", .385"

The Van Stone thermowell is ideal where safety and product integrity is essential: 

Process Market:
  • Chemical and Petrochemical Plants
  • Water and Wastewater Pressure Control                                    


  • Material Test Report (MTR)
  • Hydrostatic Testing
  • Wake Frequency Analysis 

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  • Distributor Locator

    Locate an authorized Ashcroft distributor in your area.

  • Materials Selector

    Use the selector to review compatible wetted materials and requirements of your application.

  • Wake Frequency Calculator

    The Ashcroft Wake Frequency Calculator offers a user friendly approach to ensure your thermowell is safe and compatible with your application.

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