Alarm systems. Intrusion and hold-up systems - Alarm verification. Methods and principles Ingestion-build-48024 — valves for solvent cementing

— valves for solvent cementing

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Alarm systems. Intrusion and hold-up systems - Alarm verification. Methods and principles Ingestion-build-48024 — valves for solvent cementing1 Scope This European Technical Specification is available for use where alarm verification methods are considered necessary. It provides recommendations for the addition and use of alarm verification technology in Intrusion and Hold up Alarm Systems (I&HAS) installed to comply with EN 501311. These recommendations should be incorporated into the respective standards in the EN 5013x series. This Technical Specification does not detail methods of alarm