Thermowell TSW400

Features:

✅ Wide Range :RTD: -200°C to +600°C , Thermocouple: -200°C to +1,800°C
✅ High Accuracy: RTD: Class A & B (IEC 60751) , TC: ANSI/IEC standard compliance
✅ Flexible Construction: Spring-loaded, sheath-type, MI designs , Options: thermowells, heads, cables
✅ Wide portfolio
✅ High measurement accuracy and long service life
✅ Low susceptibility to interference and thus high process reliability

Thermocouple-equipped temperature probes are perfect for measuring temperatures as high as +1,700 °C. They are made up of two distinct metals that are connected to create a thermocouple.

SKU: N/A Category: Thermowell Brand: ABB

Description
Technical Data
Application
Downloads
Supply & Shipping Details

Description

Thermowells that are solidly drilled to meet the demands of the oil and gas sector. The ASME PTC 19.3 2010-TW standard for thermowell stress computation served as the foundation for the TSW400’s design. completely complies with ASME standards and the demands of this most exacting sector.
This product gives you complete assurance that the solution is robust, safe, and dependable.

Reliable Protection for Temperature Sensors in Harsh Process Environments

The TSW400 Thermowell is a rugged and precisely engineered protective fitting designed to shield temperature sensors (such as RTDs and thermocouples) from direct exposure to process media, ensuring accurate measurement and extended sensor life in industrial applications.

Technical Data

TSW400 Thermowell

🔹 Technical Specifications – TSW400 ▾

Design Standard ASME PTC 19.3 TW-2010 compliant

Construction Solid-drilled, one-piece from bar stock

Profiles Available Straight, Tapered, Stepped

Process Connections Flanged, Threaded (screw-in), Welded (socket-weld / butt-weld)

Tip Thickness Standard: 6 mm (customizable)

Instrument Connection ½", ¾", 1" NPT, G-thread, or custom

Immersion Length (U) Customized as per requirement

Stem Diameter Typical: 12 mm to 25 mm (based on profile and application)

Bore Diameter Standard: 6.5 mm, 8.5 mm, or customized to sensor size

Velocity Collar Optional, for resonance suppression

Surface Finish 1.6 µm Ra (standard), smoother finish optional

Materials Available 316L, 316Ti, 321 SS, Hastelloy C-276, Inconel 600, Monel 400, Duplex, etc.

Pressure Rating Up to ANSI 2500 / PN 400 (dependent on flange and material)

Temperature Range Up to 1100 °C (material-dependent)

Testing & Inspection Hydrostatic, radiographic, dye-penetrant, ultrasonic (as ordered)

Material Certification EN 10204 3.1 standard; PMI optional

Documentation Datasheet, welding certs, dimensional drawing, QC reports

Application

Oil & Gas Industry: For safe temperature measurement in pipelines, separators, and refineries under high pressure and flow conditions.
Petrochemical Plants: Ideal for corrosive and high-temperature environments in reactors and distillation columns.
Power Generation: Used in boilers, steam lines, and turbines where mechanical strength and thermal accuracy are critical.
Chemical Processing: Protects temperature sensors in aggressive media and high-velocity flows.
Pharmaceutical & Biotech: Ensures clean and sterile temperature monitoring with hygienic-grade material options.
Water & Wastewater Treatment: Suitable for corrosive or abrasive media in flow-through channels and tanks.
HVAC and Utilities: Used for process control and safety in industrial heating and cooling systems.