P&ID symbols, dimensions
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Where can I find the P&ID symbols and their sizes in the standards? Thank you!
Check to see if it’s this SHT 3101-2017 PID chart for petrochemical process diagrams.
The dimensions of P&ID symbols are specified in detail in the international standard ISO 14617 and the American standard ANSI/ISA-5.1. These standards provide specifications for the types and sizes of many common symbols, to ensure that the P&ID symbols used in different engineering and manufacturing environments have consistent sizes and readability. The ISO 14617 standard is divided into several parts, of which ISO 14617-1 specifies the general principles and guidelines for P&ID symbols ； ISO 14617-2 to ISO 14617-13 specify the specific symbols and sizes for different fields. Additionally, the ANSI/ISA-5.1 standard is a standard for measurement and control engineering established by the Industrial Automation Society of America (ISA); it includes specifications for symbols and dimensions used in P&ID diagrams. It should be noted that since P&ID symbols may vary across different industries and regions, specific design work in practical applications must take into account the standards and requirements of those respective industries and regions. .
It’s available in HGT20505, but I think the size of its valve is a bit small