British Standards Institution

Sector: Manufacturing

Overview: Under the direction of PSE/18, is responsible for the UK input into working groups of CEN/TC 69 and ISO/TC 185 and for standards related to the design, manufacture, installation and testing of safety devices against excessive pressure.

Committee standards activity

In Progress (4)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
ISO/NP 4126-11	Safety devices for protection against excessive pressure -- Part 11: Performance Testing Categories: Information management \| Standardization. General rules \| Health and Safety \| Excessive pressure protection \| Engineering \| Fluid systems and components \| Valves \| Valves. General Proposal begins : 2021-02-10	Proposal
ISO/NP 4126-11	Safety devices for protection against excessive pressure -- Part 11: Part 11: Performance Testing Categories: Information management \| Standardization. General rules \| Health and Safety \| Excessive pressure protection Proposal begins : 2023-02-01	Proposal
BS EN ISO 4126-6	Safety devices for protection against excessive pressure. Part 6: Application, selection and installation of bursting disc safety devices Categories: Excessive pressure protection Drafting begins : 2023-01-03	Drafting
BS EN ISO 4126-11	Safety devices for protection against excessive pressure — Part 11: Performance Testing Categories: Unclassified documents Drafting begins : 2024-12-04	Drafting

Published (11)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 4126-9:2008	Safety devices for protection against excessive pressure. Application and installation of safety devices excluding stand-alone bursting disc safety devices Categories: Excessive pressure protection \| Pressure regulators Published standard begins : 2009-10-23	Published standard
BS EN ISO 4126-7:2013+A1:2016	Safety devices for protection against excessive pressure. Common data Categories: Excessive pressure protection Published standard begins : 2016-07-13	Published standard
BS EN ISO 4126-6:2014	Safety devices for protection against excessive pressure. Application, selection and installation of bursting disc safety devices Categories: Excessive pressure protection \| Pressure regulators Published standard begins : 2014-06-24	Published standard
BS EN ISO 4126-5:2013+A1:2016	Safety devices for protection against excessive pressure. Controlled safety pressure relief systems (CSPRS) Categories: Excessive pressure protection Published standard begins : 2016-07-15	Published standard
BS EN ISO 4126-4:2013	Safety devices for protection against excessive pressure. Pilot-operated safety valves Categories: Excessive pressure protection \| Pressure regulators Published standard begins : 2013-07-19	Published standard
BS EN ISO 4126-3:2020	Safety devices for protection against excessive pressure. Safety valves and bursting disc safety devices in combination Categories: Excessive pressure protection \| Pressure regulators Published standard begins : 2020-10-06	Published standard
BS EN ISO 4126-2:2003	Safety devices for protection against excessive pressure. Bursting disc safety devices Categories: Excessive pressure protection \| Pressure regulators \| IT applications. Other \| Agricultural machines and equipment. General Published standard begins : 2003-02-07	Published standard
BS EN ISO 4126-10:2024	Safety devices for protection against excessive pressure. Sizing of safety valves and bursting discs for gas/liquid two-phase flow Categories: Excessive pressure protection \| Pressure regulators Published standard begins : 2024-04-04	Published standard
BS EN ISO 4126-1:2013+A2:2019	Safety devices for protection against excessive pressure. Safety valves Categories: Excessive pressure protection \| Cranes Published standard begins : 2019-06-18	Published standard
BS EN ISO 4126-1:2004	Safety devices for protection against excessive pressure. Safety valves Categories: Excessive pressure protection \| Pressure regulators Published standard begins : 2004-05-18	Published standard

Withdrawn (11)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 4126-10:2010	Safety devices for protection against excessive pressure. Sizing of safety valves for gas/liquid two-phase flow Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2024-04-04	Withdrawn
BS EN ISO 4126-7:2013	Safety devices for protection against excessive pressure. Common data Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2016-07-13	Withdrawn
BS EN ISO 4126-7:2004	Safety devices for protection against excessive pressure. Common data Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2008-07-23	Withdrawn
BS EN ISO 4126-6:2003	Safety devices for protection against excessive pressure. Application, selection and installation of bursting disc safety devices Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2014-06-24	Withdrawn
BS EN ISO 4126-5:2013	Safety devices for protection against excessive pressure. Controlled safety pressure relief systems (CSPRS) Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2016-07-15	Withdrawn
BS EN ISO 4126-5:2004	Safety devices for protection against excessive pressure. Controlled safety pressure relief systems (CSPRS) Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2009-08-06	Withdrawn
BS EN ISO 4126-4:2004	Safety devices for protection against excessive pressure. Pilot operated safety valves Categories: Excessive pressure protection \| Pressure regulators \| Space systems and operations Withdrawn begins : 2009-06-26	Withdrawn
BS EN ISO 4126-3:2006	Safety devices for protection against excessive pressure. Safety valves and bursting disc safety devices in combination Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2020-10-06	Withdrawn
BS EN ISO 4126-2:2019	Safety devices for protection against excessive pressure. Bursting disc safety devices Categories: Excessive pressure protection \| Pressure regulators Withdrawn begins : 2019-06-17	Withdrawn
BS EN ISO 4126-1:2013+A1:2016	Safety devices for protection against excessive pressure. Safety valves Categories: Excessive pressure protection Withdrawn begins : 2019-06-18	Withdrawn

Standards Development

PSE/18/6 - Industrial valves, steam traps, actuators and safety devices against excessive pressure - Safety devices against excessive pressure

Committee standards activity