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  • BSI
    19/30334704 DC BS EN ISO 4126-3. Safety devices for protection against excessive pressure - Part 3. Safety valves and bursting disc safety devices in combination
    Edition: 2019
    $42.22
    / user per year

Description of 19/30334704 DC 2019

This part of ISO 4126 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 4126-4 and ISO 4126-5, and bursting disc safety devices according to ISO 4126-2 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.



Standard Number19/30334704 DC
TitleBS EN ISO 4126-3. Safety devices for protection against excessive pressure - Part 3. Safety valves and bursting disc safety devices in combination
StatusDefinitive
Publication Date2019-08-16
Identical National Standard OfISO/DIS 4126-3
DescriptorsBursting discs, Performance testing, Valves, Safety valves, Pressure pipes, Marking, Design, Safety devices, Pressure vessels, Pressure equipment, Installation
ICS23.060.40 Pressure regulators, 13.240 Protection against excessive pressure
CommitteePSE/18/6
PublisherBSI
Pages19

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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