Thermowells are receptacles used to protect temperature sensors such as resistance temperature detectors and thermocouples. These are used in industrial monitoring processes which may include a corrosive substance or high pressure and flow velocity, and the thermowells provide a protective barrier between the thermocouple and the liquid, gas or environment which it is being used to monitor.
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Thermo Sensors CorporationGarland, TX 800-889-5478 TS Corps is dedicated to providing you with the highest quality thermowells possible, in addition to rapid delivery at a competitive price. All of TC Corp's products are 100% tested & checked by personnel for proper output, etc. Once TS Corp's products pass complete inspection, they are given an engraved traceability number. Thermo Senesors doesn't cut corners on quality- that's a guarantee.
Thermal DevicesMt. Airy, MD 800-282-9100 Thermal Devices daily commitment to value, quality, service and affordability is made apparent through the satisfaction felt among their wide range of customers. If it's superior thermowells you're looking for at a competitive price, please call and speak to a member of our highly knowledgeable and friendly team. When it comes to reaching your goals, Thermal Devices has got your back!
Temperature Specialists, Inc.St. Francis, MN 800-272-5709 There is a place to acquire top-of-the-line thermowells and that place is called Temperature Specialists, Incorporated. The expert professionals at TS, Inc. can bring you the satisfaction you deserve with their world-class merchandise and quality services at competitive pricing. Call them today or check out their website to read full product descriptions. You won't regret it!
Thermal CorporationMadison, AL 800-633-2962 Thermal Corporation has over thirty years of experience manufacturing and designing quality thermocouples at competitive prices. We offer Type J thermocouples and thermowells that are always available for quick manufacturing and shipment. Each thermocouple is manufactured to your exact specifications whenever you need it. Visit our website to learn more about our products and services.
United Electric Controls Co.Watertown, MA 617-926-1000 UE, est. 1931, is the leader in pressure & temperature Threshold Detection and Switching™ technology for rugged, industrial environments. Design & engineering expertise ensures the right product each time. Extensive line of standard thermocouples, RTDs, thermistors & temperature sensitive ICs. Custom packages are routine too. ISO 9001:2000 certified with a continued emphasis on quality & service.
ARi Industries, Inc.Addison, IL 800-237-6725 Founded in 1952, ARi Industries is a premier supplier of high-quality thermocouple assemblies, custom thermocouples, temperature sensors and temperature controllers. We supply all our standard AerOpak® thermocouple cables with high-purity MgO insulation. To benefit our customers we are constantly exploring new technologies for heater thermodynamics and fabrication techniques.
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Thermowells
Used in applications for petrochemical, refining, food processing, pharmaceutical, cosmetics and other processing industries, temperature sensors and thermocouples are often subject to pressure or incompatible substance contact, therefore a thermowell is used to protect them. Aerodynamic or hydrostatic forces typically act upon the thermowells which can be designed to be low pressure or high pressure depending on the nature of the application. Thermowells further protect thermocouples from damage as a result of other process forces such as vibration, corrosion or abrasion, or from mechanical damage. One of the main benefits to using thermowells, apart from the protection of the sensor or temperature probe, is that thermowells provide easier access to the temperature sensors and thermocouples within the measuring system. They facilitate in the checking, repair or removal of the sensor, or in the relocation of the probe to a different point within the process system without disturbing or compromising the process.
Common designs of thermowells include: threaded, flanged, weld-in or screw-in, retractable and sanitary. There are a number of standard size and shape thermowells which are suitable for use in many different applications; however, custom thermowells can be designed to fit into a process with specific requirements and restrictions. Some important factors to keep in mind when determining the most suitable thermowell for an application include: stem length, bore diameter, lagging extensions and the thickness of the substance the thermocouple is being used to monitor. The bore diameter is the size of the opening that the temperature probe will be put into and the stem length is the distance from the bore to the wall of the tube or pipe. Lagging extensions take into consideration the pipe fittings and insulation. Material choice for the construction of thermowells should also be carefully considered with regard to chemical reactivity, corrosion resistance and a material's reaction to temperature increase or decrease. Commonly used materials for thermowells include durable metals such as carbon steel and stainless steel, as well as other materials such as monel and brass. For flanged thermowells, appropriate flange size and rating will also need to be determined.
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