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Norm
ÖNORM EN 1804-3
Issue date: 2010 03 01
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: Hydraulic control systems
This document specifies the safety requirements for hydraulic control devices, including hydraulic valves and
their control elements, valve combinations, control systems...
Read more
Withdrawn
: 2021 06 15
Publisher:
Austrian Standards International
Format:
Digital | 34 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This document specifies the safety requirements for 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 when used as specified by the manufacturer or his authorized
representative. Excluded are electronic control devices, pressure generators, and internal valves of legs and
rams (e.g. constant yield valves, see EN1804-2).
ÖNORM EN 1804-3
2021 06 15
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: H...
Norm
ÖNORM EN 1804-3
2010 03 01
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: H...
Norm
↖
ÖNORM EN 1804-3
2006 07 01
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: H...
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Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: Hydraulic and electro hydraulic control systems