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 – BSI British Standards

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

Status : Under review, Current   Published : October 2008

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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

A safety device or system is the final element to protect pressure equipment from exceeding its allowable limits.

It is important to consider not only the pressure-relieving device but also the whole of the equipment protected, in order to ensure that the relieving pressure is not exceeded.

BS ISO 4126-9:2008 covers the application and installations of safety devices for the protection of pressure equipment. This includes elements such as safety valves, safetyvalves and bursting disc safety devices in combination, pilot-operated safety valves and controlled safety pressure-relief systems.

BS ISO 4126-9 gives normative references and terms and definitions. It also specifies requirements for:

  • Risk
  • Pressure
  • Inlet line
  • Outlet line
  • Installation
  • Lifting

Equipment connected together in a system by piping of adequate capacity, which is free from potential blockages and does not contain any valve that can isolate any part, can be considered to be a safety system for the application of pressure relief.




Standard NumberBS ISO 4126-9:2008
TitleSafety devices for protection against excessive pressure. Application and installation of safety devices excluding stand-alone bursting disc safety devices
StatusUnder review, Current
Publication Date31 October 2008
Normative References(Required to achieve compliance to this standard)ISO 4126-6
Informative References(Provided for Information)ISO 4126-5, TRD 421, ISO 4126-4, ISO 4126-1:2004, ISO/IEC Guide 51, ISO 4126-2, AD 2000-Merkblatt A 2, ISO 4126-7, ISO 4126-10, ISO 4126-2:2018, ISO 4126-3, BS EN ISO 4126-2:2019
International RelationshipsISO 4126-9:2008
Draft Superseded By05/30132083 DC
DescriptorsDimensions, Mathematical calculations, Relief valves, Pressure equipment, Safety valves, Valves, Risk assessment, Bursting discs, Installation, Pressure control, Pipework systems, Safety devices
ICS13.240
23.060.40
Title in FrenchDispositifs de sécurité pour protection contre les pressions excessives. Application et installation des dispositifs de sécurité autres que les dispositifs à disque de rupture installés seuls
Title in GermanSicherheitseinrichtungen gegen unzulässigen Überdruck. Anwendungen und Einbau von Sicherheitseinrichtungen, ausgenommen eigenständige Berstscheibeneinrichtungen
CommitteePSE/18/6
ISBN978 0 580 55250 2
PublisherBSI
FormatA4
DeliveryYes
Pages42
File Size1.031 MB
Price£214.00


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