For over years, ASME Performance Test Codes (PTCs) have been providing Outline Module 1 – Overview and Scope of PTC TW Module 2 – Stress. thermowell failures in their systems, but ASME PTC had been the The basis for ASME PTC was a paper authored by J.W. Murdock. 3 Oct Since then, ASME PTC TW has been applied successfully worldwide in all industries whose processes are subject to high loads.

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You want to use it for your own purpose? As a consequence of the Monju incident, the ASME standard from was completely revised and the result was published in Scientific Image of the Day: Main Germany Company Profile Contact. In there was a serious accident at the Japanese nuclear power plant in Monju. Our portfolio can be seen here.

Such an in-line resonance was not considered in the original calculation basis from I agree to the processing and usage of my data as described in the declaration of consent. Greg Page, retired chairman and chief executive officer of Cargill will serve as non-executive chairman of the board of Corteva Agriscience.

This article is protected by copyright. Select a picture to open the gallery 8 Pictures. Here, the permissible flexural fatigue stress must not be exceeded during the cumulative number of vibrations of 10 11 cycles.


KG Klingenberg a. The revision provides some clearer and more-detailed definitions. It stands as the benchmark: It was caused by the rupture of a thermowell due to turbulence: This applies, for example, to companies in the oil, gas and chemical industries.

Fettig will become non-executive chairman of Dow. News from process industries from all over the world. As expected passing through this in-line resonance is the responsibility of the plant owner.

How this translates into figures is shown in the table see picture gallery. A single intelligent solution for completely networking sensor-based measuring systems asms it possible.

Funds advised by Permira, an international investment company, acquired the site at a price in the high double-digit million dollar range. Infos can be found under www. Furthermore, the process medium must not adversely affect the fatigue strength of the thermowell material.

What Has Changed with the Revision of the ASME PTC TW Standard?

Dos Santos International; Picture: Chemical Safety Board; Picture: The provisions that it contained for the wake frequency calculation were based on J. On completion, the complex is expected to processbarrels per day of crude oil and produce approximately 9 million tonnes of chemicals and base oils in a year. The amendments contained within it relate to the following 19.


aspects. This standard remained unchanged for more than 20 years.

What Has Changed with the 2016 Revision of the ASME PTC 19.3 TW Standard?

This edition of the standard only considered the more frequently occurring vibrations at right angles to the flow direction. Subscribe to the newsletter.

Click on our picture gallery to find out! As a result, passing through the in-line resonance is possible, if the process medium is gaseous and the range of the in-line resonance 19.3 not fall within the continuous operation of the plant.

Receive 15 new engineering projects per week — get them easily delivered into your mailbox. How to Prevent Product Piracy. For the case, which cannot be completely eliminated, of a thermowell rupture resulting from in-line resonance, the standard demands safety provisions to prevent severe injury to personnel or damage to the plant.

The vibration direction of the tube was parallel to the flow direction of the medium in the pipe.