Types of Thermowells as per Their Connection to Process
Types of Thermowells as per Their Production Method
Thermocouples, RTDs, and other temperature sensors are essential for many industrial and commercial applications. However, these sensors can be damaged by exposure to high temperatures. This is where thermowells come in. These are designed to protect temperature sensors from the high temperatures of the process. They are made of materials that can withstand the temperatures of the process, such as stainless steel or ceramic. It also provide a convenient way to remove and replace sensors without disturbing the process. Those are an essential part of many industrial and commercial applications. They protect temperature sensors from the high temperatures of the process, and provide a convenient way to remove and replace sensors.
Types of Thermowells as per Their Connection to Process
There are many different types of thermowells, depending on the application.
- Threaded Thermowells have threads at one of the ends & they are screwed in the process. These threads could be of parallel/tapered types. Threaded thermowells are easy to install & remove, and they’re relatively inexpensive. They can be used with a variety of different thread sizes. However, they’re not as sturdy & durable as other types of thermowells; so they’re not suitable for high-pressure applications; and can also be damaged if not installed correctly.
- Socket-weld Thermowells are welded into the weldalets & one weld is welded straight in the process. Those are more expensive than threaded thermowells, but they’re much more sturdy & durable. They’re also better suited for high-pressure applications. They’re also easier to install correctly, which reduces the risk of damage. However, they can only be used with certain types of socket weld fittings.
- Flanged Thermowells have flange collars that are connected to mating flanges. Though they are a bit expensive, still Flanged welded thermowells are quite strong, and they’re also the most durable ones. They’re generally only used in high-pressure applications where threaded or socket weld thermowells wouldn’t be suitable. They can be used with a variety of different flange sizes, and are easy to install correctly. However, they’re not as widely available as other types of thermowells.
Types of Thermowells as per Their Production Method
Thermowells are used in a variety of industries to protect temperature sensors from the environment. They are also classified according to their production method.
- Fabricated thermowells are made from a variety of materials, including stainless steel, Inconel, and Hastelloy. They are typically custom-made to fit the specific application.
- Bar-stock thermowells are made from a solid piece of metal that is machined to the desired shape.
- Van-stone thermowells are made by welding a metal sleeve to a pipe.
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