Last updateThu, 29 Jul 2021 9pm

Creating a Standard for Severe Service Valves

The term “severe service” has been used to develop new valve markets and even create popular new valve types, such as severe service ball valves. That term also has likely been misapplied as much as it has been correctly used.

If you are a process control operator in a plant, you might consider every energy-containing pipe run and valve to be severe service, since the results of a valve failure could be costly or hazardous to your health. Although virtually every valve contains potentially dangerous energy or controls potentially hazardous fluid, the degrees of danger vary. These service criteria are used to determine the valve’s design or the robustness of a valve to safely handle a particular service application.

An Overview of ASME B16.34-2017

The content of American Society of Mechanical Engineers (ASME) Standard B16.34 is essential to those who deal with flanged, threaded and welded-end valves. The standard covers pressure-temperature ratings, materials, marking and other characteristics of cast, forged and fabricated valves.

Valve Standards: Yesterday, Today and Tomorrow

Valve standards are both the laws of the land and the roadmaps to be followed on the road to quality, especially for the oil and gas industry. But where do these standards come from, and why do they say what they say? What’s more, what will they look like in 10-20 years?

The Latest from ISA, ASME, API and MSS

At the recent Valve Industry Knowledge Forum, Stan Hale, senior director of Supply Chain, MRC Global, reported on the status of International Society of Automation’s (ISA) TR96.05.01, and Carlos Davila, PE, product manager—Americas for Crane ChemPharma & Energy, gave updates on several standards from the American Society of Mechanical Engineers (ASME), American Petroleum Institute (API) and Manufacturer Standardization Society (MSS). Here are condensed reports based on their presentations.

New Test Standards for Low-E Compliance

Creating practical, unified standards for qualifying and testing valves has been a constant struggle for the industry as it seeks to meet the fugitive emission requirements established by the U.S. Environmental Protection Agency (EPA).

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