What is Thermowell?
A temperature measuring device requires a barrier between the sensing element and the processing medium. The Thermowell acts like a barrier between them and protects against corrosive environment and media that is contained under high pressure along with the fluids that flow at high pressure. There are 4 Thermowell Types namely:
- Threaded
- Socket weld
- Weld-in
- Flanged
The main function of the Stainless Steel Thermowell is to protect the thermometer from external conditions that might be extremely hot or cold. It provides ease of access to the thermometer in case one needs to change or replace the thermometer and hence is recommended by Thermowell Manufacturers In India.
Thermowell Probe is therefore defined as a tube that is closed at one end and threaded at the other. To ensure integrity and strength Rosemount 114c Thermowell is made from solid bar stock. It also has the flexibility to adapt specific configurations and can accommodate a plethora of industrial standards. Ashcroft Thermowell, therefore, maintains continuity in the operations without increasing the downtime. All Thermowell Types have similar components such as shank construction, process connector, Q dimension, bore size, immersion, and lagging extension.
In industrial processes where temperature measurement is critical, thermowells play a vital role. These simple yet essential components protect temperature sensors from harsh environments, facilitate accurate temperature measurement, and ensure the integrity and longevity of the measuring instruments. In this comprehensive guide, we delve into the world of thermowells, exploring their importance, types, design considerations, installation methods, and diverse applications across various industries.
Shribhairav Metal Corporation is proud to present a range of Thermowells that have all these qualities and a lot more. By choosing us as your manufacturing partner, you not only get flawless Thermowells; but also, exceptional prices, delivery services, and product guarantees.
We have been producing this Instrumentation Thermowell for generations and have gained expertise in this field. Our modern technology and experience have gained us a good reputation in producing Thermowell With Flange End.
Flanged Thermowell has a raised flanged collar that is attached to a mating ring on the nozzle of the pipe. Whereas, a Threaded Thermowell is screwed into the thermowell threadless, or onto the wall of a tapped pipe. A Twisted Thermowell is specifically designed to relieve 90% of the dynamic stress and provide a better solution for conventional thermowell. Temperature Gauge With Thermowell helps in measuring the temperature and protecting the device. Hydraulic Thermowell protects the sensors in the marine environment without shutting down the process.
Why Choose Shribhairav Metal Corporation for Thermowell ?
Here are some reasons to choose Shribhairav Metal Corporation for your Thermowell needs:
- Latest Machineries: We manufacture Thermowells using the latest machineries that makes the entire process less tedious and more effective. By using automation, we eliminate human-errors and are able to deliver better products to clients.
- Strict Quality Testing: We have a well-defined quality process in place where each and every manufactured Thermowell undergoes inspection and field test before being delivered to the client. These quality testing parameters can also be defined by the client.
- Products with Guarantee: We offer guarantee on manufacturing defects which makes our Thermowells even more popular. Our first endeavor is to ensure that you get defect-free Thermowells; but, just in case if there are any issues, we are there to take care.
- Perfect Manpower: We rely on machines for precision; but, do not undermine the importance of human touch. We employ trained machine men and engineers who supervise the manufacturing process and intervene if required to ensure robust gate valves are created.
- Finest Raw Material: We sources raw material from well-known and certified suppliers. We have been associated with them for almost two decades and have established a relationship that allows us to offer competitive prices without compromising on product quality.
In industrial processes where temperature measurement is critical, thermowells play a vital role. These simple yet essential components protect temperature sensors from harsh environments, facilitate accurate temperature measurement, and ensure the integrity and longevity of the measuring instruments. In this comprehensive guide, we delve into the world of thermowells, exploring their importance, types, design considerations, installation methods, and diverse applications across various industries.
Importance of Thermowells
- Protection: Thermowells shield temperature sensors, such as thermocouples or resistance temperature detectors (RTDs), from harsh process conditions, including high pressures, corrosive fluids, and abrasive materials. Without thermowells, sensors would be directly exposed to these conditions, leading to premature failure and inaccurate readings.
- Longevity: By isolating temperature sensors from the process media, thermowells help extend their lifespan. This protection reduces maintenance costs and minimizes downtime associated with sensor replacement.
- Accuracy: Thermowells ensure accurate temperature measurement by providing a stable and consistent environment around the sensor. This stability enhances the sensor’s response time and minimizes errors caused by fluctuations in the process conditions.
Types of Thermowells
- Straight Shank Thermowells: These are the most common type of thermowells, featuring a straight cylindrical design. They are suitable for general-purpose applications where the process conditions are relatively moderate.
- Tapered Thermowells: Tapered thermowells have a gradually narrowing diameter towards the tip. This design helps reduce the effects of fluid velocity and turbulence, making them ideal for high-velocity flow applications.
- Flanged Thermowells: Flanged thermowells feature a flange at one end for easy installation and removal from the process vessel or pipeline. They are commonly used in applications requiring frequent sensor maintenance or calibration.
- Socket Weld Thermowells: These thermowells have a socket weld connection for direct insertion into pipelines or vessels. They provide a secure and leak-proof seal, making them suitable for high-pressure and high-temperature applications.
Installation Methods of Thermowells
- Threaded Connection: Thermowells with threaded connections are screwed into a tapped hole on the process vessel or pipeline using a suitable wrench. This installation method provides a secure and leak-proof seal.
- Welded Connection: Socket weld thermowells are welded directly to the pipeline or vessel, providing a permanent and robust connection. Proper welding procedures must be followed to ensure integrity and prevent leaks.
Thermowells are indispensable components in industrial temperature measurement applications, providing protection, accuracy, and longevity to temperature sensors in harsh process environments. By understanding the importance, types, design considerations, installation methods, and diverse applications of thermowells, engineers and technicians can ensure reliable and precise temperature measurement across various industries, contributing to efficient and safe operations.
Rosemount 114c Thermowell specification sheet
| BRAND NAME | Shribhairav |
| INSERTION LENGTH | 2" TO 32" |
| THREAD | NPT, BSPP, BSPT, SOCKETWELD |
| SHANK | TAPERED, STEPPED, PARALLEL |
| BORE SIZE | 4 MM TO 13 MM |
| CONNECTION | THREADED, TUBE END, SOCKET WELD, FLANGE END |
| PROCESS CONNECTION | 1/2" TO 2" |
| CONNECTION | 1/2" TO 2" |
| MATERIAL | SS 316, SS 304, BRASS, SS 316 TI, CS, COPPER, DUPLEX, INCONEL, SUPER DUPLEX, HASTELLOY, MONEL, ALLOY 20, SMO 254, 904L & TITANIUM, ALL OTHER ALLOYS |
Instrumentation Thermowell Types
- Threaded Type
- Flanged Type
- Welded Type
- Sanitary Type
- Socketweld
- Limited Space
- Bar stock Tapered T/W
- Fabricated T/W with Process Connection
- Fast Response Stepped Bar stock T/W
Threaded Thermowell Dimensions
| STANDARD WELL - STEPPED SHANK | |||
| "U" DIm. | 3/4" NPT | 1/2" NPT | 1" NPT |
| 2 1/2" | 1302H | 1202H | 1402H |
| 4 1/2" | 1304H | 1204H | 1404H |
| 6" | 13060 | 12060 | 14060 |
| 7 1/2" | 1307H | 1207H | 1407H |
| 10 1/2" | 1310H | 1210H | 1410H |
| 12" | 13120 | 12120 | 1412H |
| 16 1/2" | 1316H | 1216H | 1416H |
| 22 1/2" | 1322H | 1222H | 1422H |
| LAGGING EXTENSION WELL - STEPPED SHANK | |||
| "U" DIm. | 3/4" NPT | 1/2" NPT | 1" NPT |
| 2 1/2" | 2302H | 2202H | 2402H |
| 4 1/2" | 2304H | 2204H | 2404H |
| 6" | 23060 | 22060 | 24060 |
| 7 1/2" | 2307H | 2207H | 2407H |
| 10 1/2" | 2310H | 2210H | 2410H |
| 12" | 23120 | 22120 | 2412H |
| 16 1/2" | 2316H | 2216H | 2416H |
| 22 1/2" | 2322H | 2222H | 2422H |
| STANDARD WELL - STRAIGHT SHANK | ||
| "U" Dim. | 1" NPT | 3/4" NPT |
| 4 1/2" | 3404H | 3304H |
| 2 1/2" | 3402H | 3302H |
| 22 1/2" | 3422H | 3322H |
| 7 1/2" | 3407H | 3307H |
| 6" | 34060 | 33060 |
| 12" | 3412H | 33120 |
| 10 1/2" | 3410H | 3310H |
| 16 1/2" | 3416H | 3316H |
| LAGGING EXTENSION WELL - STRAIGHT SHANK | ||
| "U" Dim. | 1" NPT | 3/4" NPT |
| 4 1/2" | 4404H | 4304H |
| 2 1/2" | 4402H | 4302H |
| 7 1/2" | 4407H | 4307H |
| 6" | 44060 | 43060 |
| 12" | 4412H | 43120 |
| 10 1/2" | 4410H | 4310H |
| 16 1/2" | 4416H | 4316H |
| 22 1/2" | 4422H | 4322H |
| STANDARD WELL - TAPPERED SHANK | ||||
| "U" Dim. | 3/4" NPT | 1" NPT | ||
| .260" BORE | .385 BORE | .260" BORE | .385" BORE | |
| 4 1/2" | 5304H | 6304H | 5404H | 6404H |
| 2 1/2" | 5302H | 6302H | 5402H | 6402H |
| 22 1/2" | 5322H | 6322H | 5422H | 6422H |
| 7 1/2" | 5307H | 6307H | 5407H | 6407H |
| 6" | 53060 | 63060 | 54060 | 64060 |
| 12" | 53120 | 6312H | 5412H | 6412H |
| 10 1/2" | 5310H | 6310H | 5410H | 6410H |
| 16 1/2" | 5316H | 6316H | 5416H | 6416H |
| LAGGING EXTENSION WELL - TAPPERED SHANK | ||||
| "U" Dim. | 3/4" NPT | 1" NPT | ||
| .260" BORE | .385 BORE | .260" BORE | .385" BORE | |
| 4 1/2" | 7304H | 8304H | 7404H | 8404H |
| 2 1/2" | 7302H | 8302H | 7402H | 8402H |
| 16 1/2" | 7316H | 8316H | 7416H | 8416H |
| 7 1/2" | 7307H | 8307H | 7407H | 8407H |
| 6" | 73060 | 83060 | 74060 | 84060 |
| 12" | 73120 | 8312H | 7412H | 8412H |
| 10 1/2" | 7310H | 8310H | 7410H | 8410H |
| 22 1/2" | 7322H | 8322H | 7422H | 8422H |
Thermowell Flange Size
| Code | Flange Size (TDW3 Only) |
| E | 2" Flange |
| D | 1 1/2" Flange |
| G | 3" Flange |
| F | 2 1/2" Flange |
| H | 4" Flange |
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Thermowell Application Industries
Refineries
Oil and Gas Industry
Power Generation
Pharmaceutical Equipment
Pulp & Paper Industry
