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ISO 4126-3

Safety devices for protection against excessive pressure Part 3: Safety valves and bursting disc safety devices in combination

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Organization: ISO
Publication Date: 1 March 2006
Status: inactive
Page Count: 18
ICS Code (Protection against excessive pressure): 13.240
scope:

This part of ISO 4126 specifies the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1, ISO 4126-4 and ISO 4126-5, and bursting disc safety devices according to ISO 4126-2 installed within no more than five pipe diameters from the valve inlet. It specifies the design, application and marking requirements for such products, which are used to protect pressure vessels, piping or other enclosures from excessive pressure, and which comprise the bursting disc safety device, a safety valve or CSPRS and, where applicable, a short length of connecting pipe or spool piece. In addition, it gives a method for establishing the combination discharge factor used in sizing combinations.

Document History

September 1, 2020
Safety devices for protection against excessive pressure — Part 3: Safety valves and bursting disc safety devices in combination
This document specifies only the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1, ISO...
ISO 4126-3
March 1, 2006
Safety devices for protection against excessive pressure Part 3: Safety valves and bursting disc safety devices in combination
This part of ISO 4126 specifies the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1,...

References

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