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BS EN 764-7:2002

Current

Current

The latest, up-to-date edition.

Pressure equipment Safety systems for unfired pressure vessels

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-28-2007

Introduction
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 and bursting disc safety devices in series
      or parallel
  6.5 Controlled safety pressure relief systems (CSPRS)
  6.6 Safety related measuring, control and 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
  9.4 Liquid level 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
      B.1 General
      B.2 Floating devices
      B.3 Level electrode devices
      B.4 Fault detection
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
Bibliography

Specifies the requirements for safety systems which protect a vessel, a system of vessels, piping, accessories or assemblies from exceeding operating conditions. Also applicable to safety related indicators and alarms, signals and warning devices when used in safety systems.

Committee
PVE/1
DevelopmentNote
Supersedes 99/706406 DC (07/2002)
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Current
Supersedes

PREN ISO 4126-1 : DRAFT 2009 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES
R044-001 : 1999 SAFETY OF MACHINERY - GUIDANCE AND RECOMMENDATIONS FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
PREN ISO 4126-6 : DRAFT 2013 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 6: APPLICATION, SELECTION AND INSTALLATION OF BURSTING DISC SAFETY DEVICES (ISO/DIS 4126-6:2013)
PREN 50156-1 : DRAFT 2012 ELECTRICAL EQUIPMENT FOR FURNACES AND ANCILLARY EQUIPMENT - PART 1: REQUIREMENTS FOR APPLICATION DESIGN AND INSTALLATION
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EN 50017:1998 Electrical apparatus for potentially explosive atmospheres - Powder filling "q"
EN 50019:2000/corrigendum Apr. 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
EN 50018 : 2000 AMD 1 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
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EN 954-1 : 1996 SAFETY OF MACHINERY - SAFETY-RELATED PARTS OF CONTROL SYSTEMS - PART 1: GENERAL PRINCIPLES FOR DESIGN
PREN ISO 4126-2 : DRAFT 1998 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES
EN 50082-2 : 95 AC 95 ELECTROMAGNETIC COMPATIBILITY - GENERIC IMMUNITY STANDARD - INDUSTRIAL ENVIRONMENT
EN 292-2 : 91 AMD 1 95 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - TECHNICAL PRINCIPLES AND SPECIFICATION
EN 50015:1998 Electrical apparatus for potentially explosive atmospheres - Oil immersion "o"
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
EN 837-1:1996/AC:1998 PRESSURE GAUGES - BOURDON TUBE PRESSURE GAUGES - DIMENSIONS, METROLOGY, REQUIREMENTS AND TESTING
EN 50016:2002 Electrical apparatus for potentially explosive atmospheres - Pressurized apparatus "p"
EN 837-3:1996 Pressure gauges - Part 3: Diaphragm and capsule pressure gauges - Dimensions, metrology, requirements and testing
EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
EN 60801-2 : 1993 ELECTROMAGNETIC COMPATIBILITY FOR INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL EQUIPMENT - PART 2: ELECTROSTATIC DISCHARGE REQUIREMENTS (IEC 801-2:1991)
1997/23/EC : 1997 DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT

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