Fundamentals of Pressure Safety Valves (PSV)


One Day





Course Description

This half-day course covers the fundamentals of Pressure Safety Valves (PSV). Different types of Pressure Safety Devices (PSD’s: PSV’s & Rupture Discs), their structure, and their operations in over-pressure and under-pressure (vacuum) scenarios will be reviewed. The Pressure Safety Valves course provides information for the purpose of selecting specific types and arrangements of PSD’s. The legal aspects of PSV’s are also covered.

A complete set of course materials is included in this course.

Note: No PSV sizing equations will be covered. This course can be taken as a preliminary course for the more advanced topics of PSV Sizing, Flare or PSV inspection and repair.

Who Should Attend

This course is designed for all technical personnel dealing with PSV’s: Facility Engineers, Operators, Design Engineers, Project Engineers and managers.

Course Outline

  • The Role of PSD (PSV’s & Rupture Discs) in Protecting a Plant
  • Legal Aspects of PSD’s
  • Life time of a PSD, from “birth to death”
  • Structure of PSD’s
  • Specifying a PSD
  • Locating PSD
  • Stationing PSD
  • Defining Scenarios: Primary and Secondary Scenarios
  • Selecting the right type of PSD “system”
  • PSD: Types, Operation
  • PSD arrangements: Series, Parallel
  • Decision tables for PSD selection
  • Economical aspects of PSD’s
  • Breather valves on atmospheric tanks
  • Collection & Disposal Systems

Course FAQ

1. Why do you cover pressure safety valves (PSVs)?
Pressure safety valves are traditionally the territory of I&C (Instrumentation and Control) and Process specialists. However, this topic is of such critical importance and impacts so many other disciplines, that neither does it make sense, nor does it seem fair, to deprive all other professionals the opportunity to learn about it, regardless of the fact that one portion of the topic is in the territory of only one or two disciplines.

2. Do you cover the calculations for sizing purposes?
No; by not covering the calculations, I can share PSV concepts with all disciplines in Chemical Processing Industries (CPI’s).

3. Other than calculations, what else could possibly be covered in relation to PSV?
Actually, there are plenty of PSV-related topics beyond calculations. In fact, a decent portion of the knowledge is non-mathematical in nature and relies on professional judgment which is covered in this course.

4. How do you select the topics that are included in your course?
I carefully select them based on my notes from different technical meetings. In the past, I realized that sometimes the PSV concepts/issues are supposed to be resolved by a group of professionals who are not always necessarily knowledgeable about the topics. I teach the topics that I feel are needed by such professionals.

5. Which teaching method do you use in your classroom?
My teaching method primarily focuses on transferring knowledge through generalizations, schematics, tables and graphs rather than excessive words. If I have to rely on words alone, I generally use non-technical language to transfer the main idea of a concept. For more information, please refer to this page.

6. Who is your target audience?
My target audience is generally people in Process Industries.

7. How does this target audience affect your method of teaching?
Since my target audience consists of working professionals, my primary concern is ensuring that their limited time allocated for training is used wisely. My course successfully transfers larger chunks of knowledge in fewer hours. I can do this by generalizing the knowledge and converting the topics into simplified, visual examples. I address another common issue of working professionals in that I provide the big picture, when usually they are bogged down in the minutiae of their high-priority projects. I strive to provide a bird’s eye view of the course topics to ensure they take away a greater understanding of the big picture.

8. Are any prerequisites required prior to enrolling in this course?
No, this course doesn’t have any mandatory prerequisites.

9. I have 10 (15) years’ experience in industry. Do you think this course is still beneficial for me?
Absolutely. This course is beneficial to even the experienced professionals because it provides the big picture of current issues, which you most likely haven’t encountered before.

10. If I’m brand new to this topic, will I still benefit from taking this course?
Yes, my course is applicable to a wide spectrum of audiences. On the rare occasion that I cover a topic that may be a bit too advanced to someone without previous exposure to the topic, I will refer you to the appropriate course appendices, which cover the topic in great detail.

11. What should I bring to the course?
Nothing – just your fresh brain!

12. Should I bring my calculator?
No, we will not get into any areas requiring use of a calculator.

13. Do I need to bring my laptop?
No, you will not need your laptop, but you are welcome to use one for note taking. Please note that all course materials will be provided to you.

14. I haven’t performed advanced calculations for a long time – will I be able to complete this course successfully?
Yes, there is no calculation in this course.

15. Will I get a certificate for attending?
Yes, a certificate of completion will be mailed a few days after you attend the course.

16. After finishing this course, will you be available to answer my question via email?
I am available to answer course-related questions through email.

17. Isn’t it enough to only study the relevant standards and codes instead of taking this course?
Although familiarity with standards and codes are very important, but they are not written for educational purposes. Getting into the knowledge of PSV by studying the standards and codes is not the best and easiest route.
18. Why should I take this course instead of reading technical books or magazines or going to related seminars?
Each of the learning tools you mentioned has a specific application.
Technical books are good for deep understanding of a concept, but they cannot be updated frequently enough to reflect the steady progress of technology.
Magazines are excellent because they have more recently updated information; however, they usually fail to provide a big picture of their topics.
Seminars are great events that provide opportunities for networking and some new technology knowledge sharing, but not to the level of detail covered in a designated course.
This course provides you from one side the deep understanding of the subject.

Who has attended this course?

The following companies have sent people to this course:
Vista Projects


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