BS EN 764-7:2002 PDF

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: 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 & 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