Flange Mounted Assembly Thermocouple
For applications where a flange is not required, see our Industrial Thermocouples. To understand the difference between fixed assembly and sheathed probe constructions, see our Sheathed vs Assembly Thermocouple comparison.
Flange Mounted Thermocouple Features
- Fixed flange-mounted structure for secure installation on pipelines, pressure vessels, boilers, and reaction equipment.
- Mineral-insulated sheathed probe provides stable positioning and good vibration resistance.
- Suitable for sealed or pressurized process equipment where secure flange installation is required.
- SS304, SS316, and Inconel 600 sheath options are available.
- Probe diameter, insert length, flange specification, thermocouple type, and cable configuration can be customized.
- Suitable for OEM equipment, process instrumentation, and replacement applications.
Flange Thermocouple Configuration
| Configuration | Typical Features | Recommended Use |
|---|---|---|
| Fixed Flange Assembly | Welded flange with fixed probe | Pipelines, pressure vessels, boilers |
| Standard Flange | DN25, DN40, DN50 options | General industrial equipment |
| Custom Flange | ANSI B16.5 or non-standard dimensions | OEM equipment and replacement applications |
Thermocouple Type Options
Type K, J, T, E, and N are commonly supplied for industrial temperature measurement. For help selecting the right thermocouple type, see our Thermocouple Types and Selection Guide.
| Type | Typical Temperature Range | Common Applications |
|---|---|---|
| Type K | -200°C to 1260°C | Industrial furnaces, boilers, machinery |
| Type J | -40°C to 750°C | Heating equipment and industrial machinery |
| Type T | -200°C to 350°C | Low-temperature and process measurement |
| Type E | -200°C to 800°C | Testing and laboratory equipment |
| Type N | -200°C to 1300°C | High-temperature industrial equipment |
S, R, and B thermocouple types are available by custom order. Actual operating temperature depends on thermocouple type, sheath material, probe diameter, atmosphere, installation, and service conditions.
Probe and Flange Specifications
| Item | Available Options |
|---|---|
| Probe Diameter | Φ3 mm, Φ4 mm, Φ5 mm, Φ6 mm, Φ8 mm |
| Probe Insert Length | 50–800 mm; custom lengths available |
| Flange | DN25, DN40, DN50; ANSI B16.5 and custom options |
| Mounting | Fixed flange-mounted assembly |
| Probe Shape | Straight standard; L-Type right-angle custom |
Available Stock Sizes
| Probe Diameter | Probe Insert Length | Standard Flange | Sheath Material |
|---|---|---|---|
| Φ3 mm | 50–500 mm | DN25 / DN40 / DN50 | SS304 / SS316 |
| Φ4 mm | 50–600 mm | DN25 / DN40 / DN50 | SS304 / SS316 / Inconel 600 |
| Φ5 mm | 50–600 mm | DN25 / DN40 / DN50 | SS304 / SS316 / Inconel 600 |
| Φ6 mm | 50–800 mm | DN25 / DN40 / DN50 | SS304 / SS316 / Inconel 600 |
| Φ8 mm | 100–800 mm | DN25 / DN40 / DN50 | SS304 / SS316 / Inconel 600 |
Probe lengths can be customized within or outside the listed stock ranges according to the application.
Sheath Material Options
| Material | Recommended Use |
|---|---|
| SS304 | General industrial temperature measurement |
| SS316 | Corrosive environments and liquid media |
| Inconel 600 | High-temperature furnaces and demanding applications |
Connection Options
- Flying leads – standard lead-wire configuration
- Mini-plug – optional miniature thermocouple connector
- Standard thermocouple connector – optional
- Lead length – 1000 mm standard; custom cable lengths available
Junction Options
- Grounded – fast response for many industrial applications
- Ungrounded – electrical isolation between the thermocouple junction and sheath
- Exposed – available only by special custom order
Temperature Range
The thermocouple element can support a wide operating range depending on the selected type and construction. The flange assembly itself has a separate temperature limitation based on flange and sealing materials.
| Thermocouple Type | Typical Temperature Range |
|---|---|
| Type K | -200°C to 1260°C |
| Type J | -40°C to 750°C |
| Type T | -200°C to 350°C |
| Type E | -200°C to 800°C |
| Type N | -200°C to 1300°C |
Standard flange assembly temperature limit is approximately 550°C for typical materials. High-temperature alloy flange components can be supplied for higher-temperature applications. Actual limits depend on the flange, sealing components, sheath, thermocouple type, and service conditions.
Accuracy
Manufactured according to IEC 60584-1.
- Class 2 – standard supply
- Class 1 – available on request
Flange Mounted Thermocouple Applications
- Pressure vessels
- Chemical reaction kettles
- High-pressure pipelines
- Industrial furnaces
- Boilers
- Ovens and heating equipment
- Process equipment requiring fixed flange installation
- Heavy-duty industrial temperature monitoring
Related Assembly Thermocouples
Choose another assembly configuration when the installation requirements are different:
- Threaded Assembly Thermocouple – compact threaded installation for process equipment.
- Explosion-Proof Assembly Thermocouple – designed for applications requiring explosion-protected instrumentation.
- Wear-Resistant Assembly Thermocouple – for demanding environments with mechanical wear or abrasion.
- Waterproof Anti-Corrosion Assembly Thermocouple – for moisture, outdoor, and corrosive environments.
- Platinum-Rhodium Assembly Thermocouple – for high-temperature measurement applications.
If you need a compression fitting rather than a fixed flange, see our Threaded Compression Fitting Thermocouple.
Related Thermocouple Resources
- Industrial Thermocouples
- Thermocouple Applications
- Sheathed vs Assembly Thermocouple
- Thermocouple Types and Selection Guide
Request OEM Flange Mounted Thermocouple Support
For OEM or replacement requirements, please provide the thermocouple type, probe diameter, insert length, flange specification, sheath material, junction type, connector, and application details. Drawings, photos, and existing samples are welcome.
Amy – Sales
Email:
Amy-Easewise@tzheater.com
WhatsApp:
+86 188 8318 8154
Hanna – Sales
Email:
Hanna-Easewise@tzheater.com
WhatsApp:
+86 178 5163 6811
Custom flange mounted thermocouples are available for OEM, process equipment, and replacement applications.
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