Norm

NEN-EN 1804-3:2019 Ontw. en

Machines voor ondergrondse-mijnbouw - Veiligheidseisen voor hydraulisch aangedreven gewelfsteunen - Deel 3: Hydraulische en electrohydraulische besturingssystemen

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Over deze norm

Status Ontwerp
Aantal pagina's 41
Gepubliceerd op 01-02-2019
Taal Engels
This document specifies the safety requirements for hydraulic and electro hydraulic control devices, including hydraulic valves and their control elements, valve combinations, control systems, pipes and hose assemblies, fittings, shut-off devices, measuring devices, filters, built-in pressure limiting and check valves in legs and rams and water spraying and dust suppression valves, as well emergency stop, start warning, locking- and control unit when used as specified by the manufacturer or his authorized representative. Excluded are pressure generators, and internal valves of legs and rams (e.g. leg bottom valves, see EN 1804-2). This document applies to hydraulic and electro hydraulic control devices at ambient temperatures from -10 °C to 60 °C. This document identifies and takes into account: - possible hazards which may be caused by the operation of hydraulic and electro hydraulic control devices; - areas and operating conditions which may create such hazards; - hazardous situations which may cause injury or may be damaging to health; - hazards which may be caused by firedamp and/or combustible dusts. This document describes methods for the reduction of these hazards. A list of significant hazards covered appears in Clause 4. This document does not specify any additional requirements for: - use in particularly corrosive environments; - hazards occurring during construction, transportation, decommissioning; - earthquakes. This document is applicable to all hydraulic and electro hydraulic control unit placed on the market for the first time and which are manufactured after the date on which this standard was published.

Details

ICS-code 73.100.10
Nederlandse titel Machines voor ondergrondse-mijnbouw - Veiligheidseisen voor hydraulisch aangedreven gewelfsteunen - Deel 3: Hydraulische en electrohydraulische besturingssystemen
Engelse titel Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: Hydraulic and electro hydraulic control systems
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