INDUSTRY OUTLOOK
The above listed shows a small number of several guidelines and requirements for service specifications listed as internal company standards . These are being revised , updated , and upgraded based on lessons learned and project experiences to ensure all valves are properly specified , selected , and designed .
Design Requirements
Additionally , some design requirements are specified to ensure the proper selection of the valve type , design , material , and configuration . This includes the following :
• Installation of gate valves with horizontal or below orientation needs to be in clean service or utility applications to prevent blockage of the flow line .
• All threaded connections of valve bodies such as drain and vent shall be seal welded .
• Self-locked handles shall be provided for lever operated valves .
• Non-slam check valves shall be selected for rotating equipment discharge lines .
• Wafer type check valves are not permitted in hydrocarbon services .
Design requirements are typically specified for each facility during project planning and design review to ensure the full understanding of the process and flow parameters as well as any additional requirements . Operations and maintenance best practices are always introduced to ensure past experiences have been addressed and logged .
In conclusion , end users require and build their specifications in alignment with international bodies and groups such as ASME , API , BS , IOGP , and more . These combined ensure that the minimum required specifications are met to guarantee safe and smooth operations of the facility and its assets .
ABOUT THE AUTHOR
Mohanned Waleed Tarabzouni is a Piping and Valves engineer at the Pipeline Technical Support Division of Saudi Aramco . Mr Tarabzouni ( BSc Mechanical Engineering / MSc Pipelines Engineering ) works for the Projects & Technical Support Department .
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