BS EN 764-7:2002 - Pressure equipment. Safety systems for unfired pressure vessels – BSI British Standards

BS EN 764-7:2002

Pressure equipment. Safety systems for unfired pressure vessels

Status : Current, Work in hand   Published : June 2002



BS EN 764-7:2002 Pressure equipment. Safety systems for unfired pressure vessels

BS EN 764-7 is a European Standard which specifies the requirements for safety systems which protect a vessel, a system of vessels, piping, accessories or assemblies from exceeding operating conditions.

It is also applicable to safety related indicators and alarms, signals and warning devices when used in safety systems.

The scope of BS EN 764-7 and its relationship to the safety accessories and other protective devices described in the Pressure Equipment Directive are shown in annex E.

Contents of BS EN 764-7:

1 Scope
2 Normative references
3 Terms and definitions
4 Risk consideration
4.1 General
4.2 Identification of hazards
4.3 Solutions
5 Limiting devices and systems
5.1 General
5.2 Design
6 Pressure limitation
6.1 General
6.2 Safety valves, direct loaded and pilot operated
6.3 Bursting disc safety devices
6.4 Safety Valves & bursting disc safety devices in series or parallel
6.5 Controlled safety pressure relief systems (CSPRS)
6.6 Safety related measuring, control & regulation systems (SRMCR)
7 Hazard protection
7.1 Internal
7.2 External
7.3 Static electricity
8 Installation of pressure relieving devices
8.1 General
8.2 Safety valves or the main valve of a CSPRS
8.3 Installation of bursting disc safety devices
8.4 Safety valve and bursting disc safety devices in combination
8.5 Isolation of relieving safety systems
9 Indicators and alarms
9.1 General
9.2 Pressure indicators
9.3 Temperature indicators
9.5 Signals and warning devices
10 Inspection and maintenance
Annex A (informative) Sizing of multiple safety valves
Annex B (normative) Requirements for level limiters
Annex C (informative) Selection of safety accessories for pressure limitation
Annex D (normative) Bursting disc safety devices downstream of safety valves
Annex E (informative) Scope of the standard
Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives


Standard NumberBS EN 764-7:2002
TitlePressure equipment. Safety systems for unfired pressure vessels
StatusCurrent, Work in hand
Publication Date13 June 2002
Normative References(Required to achieve compliance to this standard)EN 60529:1991, prEN ISO 4126-6, ISO/DIS 4126-3:1999, prEN ISO 4126-7, EN 837-3, EN 954-1:1998, ISO/DIS 4126-7:2000, IEC 60529:1989, prEN ISO 4126-4, EN 837-1, prEN ISO 4126-2, ISO/DIS 4126-5:1999, prEN ISO 4126-3, prEN ISO 4126-1, prEN ISO 4126-5, IEC 61508, ISO/DIS 4126-6:2000, ISO/DIS 4126-4:1999, ISO/DIS 4126-1:1999, ISO/DIS 4126-2:1998, prEN 50156-1
Informative References(Provided for Information)EN 50014:1993, CENELEC R044-001, EN 50017:1995, EN 50018:1996, EN 292-2:1995, prEN 764-1, EN 50082-2:1995, EN 50019:1996, ISO/IEC Guide 51, EN 50081-2:1993, prEN 954-2:2001, EN 50016:1998, 97/23/EC, prEN 50039:2001, EN 50020:1995, EN 50015:1995, EN 292-1:1991, EN 60801-2:1993
International RelationshipsEN 764-7:2002/AC:2006
Amended ByAMD 15386
Corrigendum, September 2007; Corrigendum, October 2004
DescriptorsRelief valves, Safety devices, Pipes, Pressure vessels, Unfired pressure vessels, Valves, Chemical technology equipment, Equipment safety, Pressure equipment, Safety valves
Title in FrenchEquipements sous pression. Systemes de securite ppour equipements sous pression non soumis a la flamme
Title in GermanDruckgeraete. Sicherheitseinrichtungen fuer unbefeuerte Druckgeraete
ISBN978 0 580 59989 7
File Size1.136 MB

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