Thermowell

A thermowell is a protective metal that houses a temperature sensor, such as a thermocouple or RTD (resistance
temperature detector). It allows for accurate temperature measurement while shielding the sensor from process
conditions, such as pressure, corrosive fluids, or high velocities. Thermowells are commonly used in industrial
applications, HVAC systems, and various manufacturing processes to ensure reliable temperature readings without
direct exposure to the process environment.
Material we use – Stainless steel (commonly 304 or 316), carbon steel, or other alloys suitable for the application.
Coated with special coatings for corrosion resistance.
Diameter:1/2 inch to 8 inches, depending on the sensor and application.
Length: Varies, commonly from 3 inches to 24 inches or more, based on the installation depth and required
immersion.
Wall Thickness: Commonly ranges from 0.065 inches to 0.125 inches

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Description

Type:

  • NPT (National Pipe Thread), weld, flange, or compression fittings.

Size:

  • Common sizes include 1/2inch, 3/4inch, 1 inch, and larger.

Temperature Range:

  • Typically -200°F to 1,200°F (-129°C to 649°C), depending on the material

Pressure Rating:

  • Often rated for pressures up to 4,000 psi (276 bar) or higher, depending on the design and
    material.
  • The inner diameter (bore) to accommodate various sensor types, usually around 1/8 inch to 1/4 inch.
  • Can be vertical or horizontal, depending on the application

Additional Features:

  • Thermal Response Time: Affected by the design; can vary based on the well’s material and size
  • Seal Options: Gaskets or seals for preventing leaks in high-pressure applications

 

Manufacturing Standard: ASME PTC 19.3 TW,

Type: Drilled Barstock, Fabricated,

Material: SS, Inconel, Hastelloy, Monal etc,

Construction: Tapered, Straight, Stepped, Vertex Well

Process Connection: Threaded, Flanged, Welded(Weldin&Socket)

 

Application:

  • Protection for Temperature Sensors
  • Installation Versatility
  • Application in Various Industries

 

 

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