Merit Instruments offers a multitude of thermowells for almost every application. With our manufacturing facilities, and special relationships with other qualified thermowell manufacturers, Merit welcomes inquiries for all types of custom designed thermowells. Some of our specialities include: Flanged thermowells up to 60" in length, Sanitary thermowells, Weld-in thermowells and much more. In addition to our standard .260" or .385" bore thermowells, we also welcome inquiries for custom/proprietary and OEM thermowells.

Merit Instruments also guarantees that the delivery time that we quote to you will be met. No more late deliveries or excuses; when Merit Instruments makes a promise, it's a promise that you can count on!

To learn more, or to request a quote, please contact Merit today - you'll be glad that you did!

Custom Designed Thermowells

Note: Applies to products containing brass or low-lead brass materials.
Suitable for any application where creating a "sealed-system" is desired such as in a boiler, pipelines, pressure vessel, etc. Use of a thermowell will allow for replacement of a thermometer or RTD without the need to shutdown or drain the system.

Thermowells can also be used in applications where the process media is corrosive to the thermometer or RTD and allows a wide array of materials that are not otherwise available on the instrument.
Tapered design

Stepped design

Straight design

Flanged process connection

Sanitary process connection

Stem lengths up to 60"

Available machined from solid barstock (including flanged thermowells).

Available in a wide array of materials including: brass, low-lead brass, 304 stainless steel, 316 stainless steel, Hastelloy, Monel, etc.

Merit Instruments can also supply proprietary designed thermowells to suit your application (contact us for details).

Custom Designed Thermowells

Prop. 65 Warning

Applications

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