Pressure Valves

O/42

Code Date Venue Fees Registration
O/42 07 - 18 Oct Cairo 1600 USD Register Now

Course Objectives

This course is meant for engineering as well as maintenance people. All aspects of Safety Relief Valves are included in the course


Course modules

Module 1: Terminology of Valve Types as Defined by ANSI b95.1

  • Safety relief valves
  • Conventional type
  • Balanced type
  • Pilot operated type

Module 2: Pressure Parts of a Safety Relief Valve

  • Pressure Relief Valve dimensional characteristics
  • Operational Characteristic of Pressure Relief Valves

Module 3: Valves Types

  • General Valves
  • Safety Valves

Module 4: Codes & Standards

  • Quality assurance to ASME & understanding of international standards
  • Understanding capacity testing
  • ASMI VIII, ASMI code section I, API 520, API 521, API STD 526 & API RP 527

Module 5: Valves Operation

  • Gases & vapors, Liquid & critical factors affecting performance
  • Discussions on major types of back pressures including the effects
  • Constant back pressureBuilt up back pressure
  • Superimposed back pressure
  • Effects on standard valves
  • Bellows valves & pilots general selection on manufactures catalog

Module 6: Maintenance

  • Reasons for Inspection
    • Provisions of safety
    • Condition of safety valves
  • Causes of Improper Use
    • Corrosion
    • Damage seat surface
    • Broken springs
    • Improper setting & testing
    • Plugging & sticking
    • Identification
    • Rough handling
    • Operating ressure
  • Pre pop, Strip, Machine, Lap, Build & Test
    • Pre- testing of valve to be overhauled
    • Dismantling, Inspection
    • Machining of the disk
    • Machining of the Nozzle
    • General machining
    • Lapping by hand
    • Lapping by blocks
    • Reconditioning plates
    • Lapping procedures
    • Micro finshing of valve surface

Module 7: Assembling Valves after Cleaning

  • Adjusting & testing
  • Test Stand Procedures
  • Test apparatus
  • Leakage rates APT 527 body & bellow test
  • Cold different test
  • Spring setting
  • Changing set pressure
  • Ring setting

Target Audience

This course is designed for Instrument Engineers.


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