Design, Sizing, Selection, Installation and Operation of Safety Valves, Pressure Relief Valves and Rupture Discs
What you'll learn
Learn from WR Training industrial experts what they wrongly calculated during project startup, debottlenecking and commissioning
Understand safety valve manufacturers' literature better and understand their jargon
Understand rupture disc manufacturers' literature better and understand their jargon
Understand how the ASME Boiler and Pressure Vessel Code, Section VIII affects sizing, selection, assembling, testing and installation of pressure relief devices
Understand how the API Recommended Practice RP520 affects sizing, selection, assembling, testing and installation of pressure relief devices
Become more aware of the potential benefits and pitfalls of the currently available safety valves and rupture discs technology
Size and select pressure relief devices according to the currently available state-of-the-art sizing technology
Make more informed and creative decisions in the selection, sizing, installation and use of safety valves and rupture discs and their applications
Test your knowledge with +150 question-quiz
Download useful technical data covering terminology, standards, codes, basic design, sizing and selection information
Requirements
The student who will gain the most from this course will come equipped with some knowledge of fluid systems and an acquaintance with process valves. For these reasons, we strongly recommend that prior to taking the present course, you attend first our courses
1. Valves : Principles, Operation & Design
2. Flow of fluids through piping systems, fittings, valves and pumps
3. Designing piping systems : Pipe, fittings, flanges and valves
Please note that the mathematics in this course is undemanding. All the work can be done with a hand-held calculator with powers, roots and log functions.
Description
Safety valves, pressure relief valves and rupture discs should be taken very seriously.They must always accurately respond to system conditions and prevent catastrophic failure when other instruments and control systems fail to adequately control process limits.Unfortunately, because of the lack of knowledge and disappearing expertise worldwide, the quality of selection and operation of these pressure relief devices is often insufficient.This possibly jeopardizes the safety of each of us, living or working in the neighborhood of a process plant.Proper sizing, selection, manufacture, assembly, test, installation and maintenance of a safety valves, a pressure relief valve or a rupture discs are all critical to obtaining maximum protection.Designed around a series of practical examples which we work through to a solution, this valuable course is an essential guide to a complete understanding of construction details and functioning of safety valves, pressure relief valves and rupture discs.This understanding is a pre-requisite for the proper sizing, selection, assembly, test, installation and maintenance of pressure relief valves.The course presents reference data, technical recommendations and field observations based on our many years of experience in sizing, selecting, testing, installing and operating pressure relief devices.The basic formulae and capacity correction factors contained in this course reflect current state-of-the-art pressure relief devices sizing technology.Typical valve sizing examples have been included to assist in understanding how specific formulae are applied.Useful technical data covering terminology, standards, codes, basic design, sizing and selection information, are presented in an easy to use format.Reference is made to :ASME Boiler and Pressure Vessel Code (BPVC), Section VIII, Pressure Vessels API Recommended Practice RP520This course also cautions the piping designer, the process engineer and any user of safety valves, that the performance of a properly sized and selected pressure relief device, can be severely compromised when used in conjunction with improper companion piping or incorrect handling and installation.Pressure relief device installation guidelines and their rationale, as well as some precautions, are offered to ensure optimum performance and safety.Now, while it is obviously impossible to address every installation mistake ever made, we have included a valuable summary of the most frequent installation mistakes encountered in the field.In addition, you will find at the end of each section a technical quiz to help you test your knowledge.If you pass wonderful, if not, you can watch the video lectures again or ask us for help in the Q&A section.We are confident that this valuable course will help you contribute to the safety of your facility, your fellow workers and yourself.Thank you for watching. Hope to see you there.WR TrainingSpread the wings of your knowledgeIMPORTANT SAFETY NOTESIt is important to always remember that a safety valve, a pressure relief valve or a rupture disc is a safety device employed to protect pressure vessels or systems from catastrophic failure. With this in mind, the application of pressure relief devices should be assigned only to fully trained personnel and be in strict compliance with rules provided by the governing Codes and StandardsPressure relief devices must be sized, selected and installed by those who have complete knowledge of:The pressure relieving requirements of the system to be protectedThe environmental conditions particular to that installationSafety valves, pressure relief valves and/or rupture discs sizing and selection is the responsibility of:The process engineerThe user of the system to be protectedSizing and selection of pressure relief devices should not be based on arbitrarily assumed conditions or incomplete information. Merely having a mandatory safety device installation does not make a system safe
Overview
Section 1: PART I Safety & Pressure Relief Valves - Design fundamentals
Lecture 1 Introduction
Lecture 2 Types of devices
Lecture 3 Useful terminologies
Lecture 4 Relief and Safety valves
Lecture 5 Safety valves
Lecture 6 Safety valves : Pressure setting
Lecture 7 Safety valves : 3D dismantling
Lecture 8 Safety valves : 2D dismantling
Lecture 9 Relief valves
Lecture 10 Relief valves : Valve operation in 2D cross-sectional view
Lecture 11 Relief valves : 3D dismantling
Lecture 12 Relief valves : 2D dismantling
Lecture 13 More on spring loaded design
Lecture 14 More on spring loaded design : 3D animation
Lecture 15 Material of construction
Lecture 16 Back pressure considerations
Lecture 17 Dynamic back pressure (built-up back pressure)
Lecture 18 Seat leakage
Lecture 19 Testing safety valves with air or nitrogen
Section 2: PART I Safety & Pressure Relief Valves - Codes and Standards
Lecture 20 Introduction
Lecture 21 API Codes and Standards
Lecture 22 ASME Codes and Standards
Lecture 23 ANSI Codes and Standards
Lecture 24 Other Codes and Standards
Lecture 25 Approval authorities
Lecture 26 Sizing safety valves : Heads-up
Lecture 27 Safety message
Section 3: PART I Safety & Pressure Relief Valves - Safety valves selection
Lecture 28 Introduction
Lecture 29 Setting and sealing
Lecture 30 Effect of back pressure on set pressure
Lecture 31 Pressure level relationships according to API RP520
Lecture 32 Safety valve positioning
Lecture 33 Example #1 : Positioning a steam application safety valve
Lecture 34 Example #2 : Positioning a process safety valve
Section 4: PART I Safety & Pressure Relief Valves - Safety valves sizing
Lecture 35 Keep in mind and always remember !
Lecture 36 Introduction
Lecture 37 Finding the fault flow
Lecture 38 Coefficient of discharge
Lecture 39 Sizing equations for steam 1/3 : General equation
Lecture 40 Example #3 : Sizing a safety valve for a steam application
Lecture 41 Sizing equations for steams 2/3 : Wet Steam
Lecture 42 Sizing equations for steams 3/3 : Dry Saturated Steam and Superheated Steam
Lecture 43 Example #4 : Sizing a safety valve for Superheated Steam
Lecture 44 Sizing for liquids and gases - Intro
Lecture 45 Required sizing data
Lecture 46 Sizing for gases : 10% Overpressure - Mass flow rate (lb/h)
Lecture 47 Sizing for gases : "C" coefficient
Lecture 48 Sizing for gases : "Kb" coefficient
Lecture 49 Sizing for gases : Compressibility factor
Lecture 50 Example #5 : Atmospheric back pressure
Lecture 51 Example #6 : Constant superimposed back pressure
Lecture 52 Example #7 : Set pressure below 30 psig
Lecture 53 Example #8 : Variable superimposed back pressure
Lecture 54 Sizing for gases : 10% Overpressure - Standard Volumetric flow rate (scfm)
Lecture 55 Example #9 : Variable built-up back pressure
Lecture 56 Sizing for liquids
Lecture 57 Sizing for liquids : "Kw" coefficient
Lecture 58 Sizing for liquids : "Kv" coefficient
Lecture 59 Example #10 : Sizing for a non-viscous liquid application
Lecture 60 Example #11 : Sizing for a viscous liquid application
Lecture 61 Multiple valve sizing
Lecture 62 Noise level calculations
Lecture 63 Noise intensity
Lecture 64 Example #12 : Noise level calculations
Lecture 65 Sizing for vaporizing liquids - Fire conditions
Lecture 66 Logic diagram for effective liquid level calculation
Lecture 67 Example #13 : Sizing for fire conditions (liquids)
Lecture 68 Sizing for gases and vapors only - Fire conditions
Lecture 69 Example #14 : Sizing for fire conditions (gases and vapors only)
Lecture 70 Capacity conversion
Lecture 71 Example #15 : Converting a propane PRV
Section 5: PART I Safety & Pressure Relief Valves - Safety valves installation
Lecture 72 Introduction
Lecture 73 Piping connection
Lecture 74 Excessive pressure drops
Lecture 75 Isolation valves
Lecture 76 More on piping connection
Lecture 77 Calculating piping losses
Lecture 78 Entrance effects
Lecture 79 Piping inlet losses
Lecture 80 Upstream devices
Lecture 81 Example #16 : Evaluating existing safety protection
Lecture 82 Calculating outlet piping
Lecture 83 Example #17 : Calculating discharge piping diameter
Lecture 84 Reaction forces
Lecture 85 Frequent installation mistakes
Section 6: PART II Rupture & Bursting Discs - Introduction
Lecture 86 Introduction
Lecture 87 What is a rupture disc ?
Lecture 88 How are rupture discs used ?
Lecture 89 Useful terminologies
Lecture 90 Useful terminologies - part II
Lecture 91 Types of rupture discs
Lecture 92 Rupture disc and holder assemblies
Lecture 93 Welded cartridges
Lecture 94 Selecting a rupture disc
Lecture 95 Manufacturing Design Range (MDR)
Lecture 96 Additional selection criteria
Lecture 97 How long will a rupture disc last ?
Lecture 98 Troubleshooting
Section 7: PART II Rupture & Bursting Discs - Rupture disc sizing
Lecture 99 Introduction to rupture disc sizing
Lecture 100 Overpressure allowance
Lecture 101 Sizing methodologies
Lecture 102 The coefficient of discharge method - Part I
Lecture 103 Sizing example #1 - Gases and vapors other than steam
Lecture 104 The coefficient of discharge method - Part II
Lecture 105 Sizing example #2 - Gases and vapors other than steam
Lecture 106 The coefficient of discharge method - Part III
Lecture 107 Sizing example #3 - Superheated steam
Lecture 108 The coefficient of discharge method - Part IV
Lecture 109 Sizing example #4 - Viscous liquids
Lecture 110 Resistance to flow method (KR)
Lecture 111 Sizing example #5 - Vapors using KR values
Lecture 112 Sizing example #6 - Liquids using KR values
Lecture 113 For more details
Section 8: PART II Rupture & Bursting Discs - Rupture disc / relief valve combination
Lecture 114 Introduction
Lecture 115 Combination Capacity Factor (CCF)
Lecture 116 Applying the CCF
Lecture 117 Sizing example #7 - Sizing combination devices
Section 9: PART II Rupture & Bursting Discs - Installation and maintenance of rupture discs
Lecture 118 Installation
Lecture 119 Holder preparation
Lecture 120 Rupture disc preparation
Lecture 121 Installing a rupture disc
Lecture 122 Assembly installation
Lecture 123 Inspection
Section 10: PART II Rupture & Bursting Discs - More on rupture disc KR values
Lecture 124 The "UD" ASME Code Stamp
Lecture 125 What does KR mean ?
Lecture 126 How do I use KR ?
Lecture 127 What impact will KR have on my system ?
Lecture 128 Where can I find KR for my rupture disc ?
Section 11: PART II Rupture & Bursting Discs - Final thoughts
Lecture 129 Final thoughts
Chemical, Process, Petroleum Engineers,Design Engineers,Piping Engineers,Plant Engineers,Plant operators,Mechanics,Safety professionals,Pressure vessels and piping inspectors
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