Application, selection and installation of bursting disc safety devices ISO 4126-6

Safety devices for protection against
excessive pressure —
Part 6:
Application, selection and installation of
bursting disc safety devices
ISO 4126-6

This standard gives guidance on the application, selection and installation of bursting disc safety devices used to
protect pressure equipment from excessive pressure and/or excessive vacuum.
Annex A provides a checklist for the information to be supplied by the purchaser to the manufacturer.
Annex B gives guidance on the replacement period of a bursting disc and annex C guidance on determining the
mass flow rate, for single phase fluids, of a pressure relief system that contains a bursting disc safety device
Annex E is a non-mandatory procedure for establishing the flow resistance of a burst bursting disc assembly.
The requirements for the manufacture, inspection, testing, marking, certification and packaging of bursting disc
safety devices are given in Part 2 of EN ISO 4126

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