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Endress+Hauser introduces on-line thermowell sizing calculator

18 June 2013

Free, online thermowell calculation tool compliant with new ASME PTC 19.3 TW-2010 standards simplifies engineer work

June 14, 2013 – Endress+Hauser introduces a free on-line thermowell calculation tool to help customers stay compliant with the new ASME PTC 19.3 TW-2010 thermowell standards.

The thermowell sizing tool calculates the thermowell’s ability to withstand stresses under given process conditions, important for safety-critical or demanding applications with high flow rates or high process pressures, particularly in the oil and gas and chemical industry.
Because a thermowell is subjected to a variety of stresses in these types of applications, typically because of in-line and transverse vibrations, it is necessary to run calculations on the thermowell design to make sure these stresses do not exceed the maximum allowable limit. Endress+Hauser’s thermowell sizing calculator gives users a safe alternative to not only thermowell failure but loss of measurement, damage to expensive equipment, and safety risks to plant personnel.

Unlike the traditional, time-consuming approach of using spreadsheets, the thermowell sizing calculator allows users to make preliminary calculations to select the right thermowell early on in the design process – in just a few clicks.

Enrichments in the thermowell calculation tool include a larger variety of thermowell geometries, such as stepped thermowells, and the updated ASME PTC 19.3 TW-2010 standards have enhanced resonant frequency calculations allowing the maximum thermowell length to be determined based upon the process conditions.

The thermowell calculation tool is available on-line via the Endress+Hauser Applicator tool, a program that provides step-by-step assistance with product selection, sizing, and configuration.

Also available on-line is a new white paper titled, “Basics of Thermowell Design and Selection,” that discusses thermowell design considerations, how to perform thermowell calculations, and options for selecting the right thermowell.

To try out the new thermowell calculation tool, read the white paper, or for more detailed information, please visit: http://www.us.endress.com/temp_manufacturing

For further information, please contact Crystal Abrell:

Endress+Hauser, Inc.

Phone: 317-535-7138
Fax: 317-535-2171
crystal.abrell@us.endress.com
www.us.endress.com
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