Elias didn't panic. He knew that six months ago, his team had overhauled the safety system following the specific installation requirements of . They hadn't just installed a valve; they had built a safety system . According to the standard:
Part 9: Application and installation of safety devices excluding stand-alone bursting disc safety devices iso 41269 pdf
If you want, I can:
For those specifically looking for information on used alone, you should instead consult ISO 4126-6 , which handles their selection and installation exclusively. Elias didn't panic