The standard covers:
Since ISO standards are adopted globally, you can buy from your local representative: iso 14520-5 pdf
Often, these resellers offer "redline" versions showing changes from previous editions. The standard covers: Since ISO standards are adopted
The PDF lists other indispensable standards, such as ISO 14520-1 (General requirements). You cannot fully apply ISO 14520-5 without referencing Part 1, which covers nozzles, pipe flow calculations, and safety warnings. which covers nozzles
Because ISO standards are adopted nationally, you can often purchase the identical document from: