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General Catalog 635-02
TW
TW
Thermowells
TW
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TW

• Machined integral or welded
• Large choice of materials
• Mounting: or flange, or threaded fitting,
  or to weld-on piping
• Options: Tests, control, certificates

APPLICATIONS

The thermowell is a tubular thermal conductor designed for the insertion of a temperature sensor or a thermometer in a pipe or in a tank. It is recommended for sensor protection against corrosive effects of fluids in process and mechanical effects.
It allows to replace an instrument for maintenance, calibration routines, without shutting down the process.

DESCRIPTION

Thermowells TW are designed to withstand high temperatures and pressures with high speed flows.
According to operating conditions (pressure, temperature, flow, vibrations, corrosion risks) several models are available.
Each TW has a marking which indicates the material, the immersion length, the dimensions of fitting with PN. Option: The serial number may be added.

Materials and coatings:
- Materials: AISI 316 / 304 / 321 / Monel / Titanium / Nickel / Hastelloy C276 / Hastelloy C4 / Inconel 600 / Incoloy 800 etc.
- Coating of wet parts: Tantalum / PTFE / Hastelloy C276 / Hastelloy C4 / Zirconium

Documents:
- Drawing
- Welding procedure specification (W.P.S.)
- Casting reference stamped on the body and on the flange
- Qualification procedure registration (P.Q.R.)

Tests and controls:
- Hydrostatic pressure test
- Penetrant testing
- Rupture test, impact test
- Test HUEY / ASTM A 262-C
- Performance test ASME PTC 19.3 – 1974

Certificates:
- Directives EN10204 3.1.B., 3.1.C.
- Directive NACE MR.01.75
- Heat treatment certificate

Options:
- Shutter and chain
- Polished stem
- Degreasing for use in oxygen
- Extensions

General Catalog 635-02
26/03/2022 19:29
Thermowells
TW
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