Solid Drilled Thermowell with Compression Fitting Style 3

The Style 3 solid drilled threaded thermowell combines the strength of a solid bar-stock construction with a built-in compression fitting, giving both heavy-duty process integrity and quick, tool-free sensor installation. Machined from solid bar stock rather than fabricated tube, it offers superior structural strength for higher pressure and flow-rate applications than the fabricated Style 2 equivalent, while retaining the convenience of an integral compression gland.

Available with a parallel or tapered stem profile and a wide choice of process thread connections — BSPP, BSPT, or NPT — the Style 3 thermowell is supplied in 316 stainless steel, Alloy C276 (Hastelloy®), Alloy 400 (Monel®), or Alloy 600 (Inconel®). Wake frequency calculations to ASME PTC 19.3 TW-2016 can be provided to confirm suitability for demanding process conditions, alongside optional 3.1 material certificates, pressure testing, and PMI.

  • Solid Bar-Stock Construction — Machined from solid bar stock for superior strength versus fabricated designs.
  • Integral Compression Fitting — Built-in compression gland for fast, tool-free sensor installation.
  • Parallel or Tapered Stem — Stem profile options to suit different process and flow conditions.
  • Wake Frequency Calculations — ASME PTC 19.3 TW-2016 calculations available to confirm process suitability.
  • Material Choice — 316 stainless steel, Alloy C276, Alloy 400, or Alloy 600.
  • Traceability & Testing Options — 3.1 material certificates, pressure testing, and PMI available.

How does the Style 3 thermowell differ from Style 2?

The Style 3 is machined from solid bar stock for greater strength, while the Style 2 is a fabricated tube design; both include an integral compression fitting.

What stem profiles are available for the Style 3 thermowell?

Both parallel and tapered stem profiles are available.

Can wake frequency be calculated for the Style 3 thermowell?

Yes, wake frequency calculations to ASME PTC 19.3 TW-2016 can be provided to confirm suitability for the process conditions.

What materials is the Style 3 thermowell available in?

316 stainless steel, Alloy C276, Alloy 400, and Alloy 600.

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