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Norm
ÖNORM EN 1804-2
Issue date: 2010 03 01
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: Power set legs and rams
This standard specifies the safety requirements for legs and rams when used as specified by the
manufacturer or his authorised representative. Examples covered by the st...
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Withdrawn
: 2021 06 15
Publisher:
Austrian Standards International
Format:
Digital | 38 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This standard specifies the safety requirements for legs and rams when used as specified by the
manufacturer or his authorised representative. Examples covered by the standard include legs, support rams
and rams with their mechanical extensions, internal valves and safety devices, seals, hydraulic connections
(up to the first hose or Type B valve, see Part 3) and their lifting points but excluding protective pipes and
gaiters, external valves and hydraulic and electrohydraulic control systems.
ÖNORM EN 1804-2
2021 06 15
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: P...
Norm
ÖNORM EN 1804-2
2010 03 01
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: P...
Norm
↖
ÖNORM EN 1804-2
2002 07 01
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: P...
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Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: Power set legs and rams