DS/EN 1804-2+A1:2010
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: Power set legs and rams

Standard No.

DS/EN 1804-2+A1:2010

Release Date

2010

Published By

Danish Standards Foundation

Status

Be replaced 2021-10

Replace By

DS/EN 1804-2:2021

Latest

DS/EN 1804-2:2021

Replace

DS/EN 1804-2-2002

Scope

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.NOTE Some components are dealt with in other parts of this standard.This standard applies to legs, support rams and rams used at ambient temperatures from -10 °C to 60

DS/EN 1804-2+A1:2010 history

• 2021 DS/EN 1804-2:2021 Machines for underground mines – Safety requirements for hydraulic powered roof supports – Part 2: Power set legs and rams
• 2010 DS/EN 1804-2+A1:2010 Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: Power set legs and rams