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Thermowell

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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

Thermowell
Thermowell Thermowell

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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

  1. 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.
  2. 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.
  3. 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.
  4. 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 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

Thermowell

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Thermowell Application Industries

Application Industries

Refineries

90%

Oil and Gas Industry

96%

Power Generation

80%

Pharmaceutical Equipment

85%

Pulp & Paper Industry

88%