BS EN ISO 4126-3:2020
Current
The latest, up-to-date edition.
Safety devices for protection against excessive pressure Safety valves and bursting disc safety devices in combination
Hardcopy , PDF
English
06-10-2020
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
PSE/18/6
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| DocumentType |
Standard
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| Pages |
22
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| PublisherName |
British Standards Institution
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| Status |
Current
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| Supersedes |
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 ISO4126-1, ISO4126-4 and ISO4126-5, and bursting disc safety devices, according to ISO4126-2, installed upstream of the valve within five pipe diameters of the valve inlet. It specifies the design, application and marking requirements for such products, composed of the bursting disc safety device, a safety valve or CSPRS and, where applicable, a connecting pipe or spool piece. In addition, it gives a method for establishing the combination discharge factor used in sizing combinations.
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