Standard Swedish standard · SS-EN ISO 4126-3:2020

Safety devices for protection against excessive pressure - Part 3: Safety valves and bursting disc safety devices in combination (ISO 4126-3:2020)

Status: Valid

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Standard Swedish standard · SS-EN ISO 4126-3:2020

Safety devices for protection against excessive pressure - Part 3: Safety valves and bursting disc safety devices in combination (ISO 4126-3:2020)
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Scope
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 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.

Subjects

Protection against excessive pressure (13.240) Pressure regulators (23.060.40)


Buy this standard

Standard Swedish standard · SS-EN ISO 4126-3:2020

Safety devices for protection against excessive pressure - Part 3: Safety valves and bursting disc safety devices in combination (ISO 4126-3:2020)
Subscribe on standards - Read more Dölj
Price: 875 SEK
standard ikon pdf

PDF

Price: 875 SEK
standard ikon

Paper

Price: 1 400 SEK
standard ikon pdf + standard ikon

PDF + paper

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80024960

Edition: 2

Approved: 10/8/2020

No of pages: 24

Replaces: SS-EN ISO 4126-3:2006